CN117868152A - Low-cost pollution-free foundation pit reinforcement construction device and method - Google Patents
Low-cost pollution-free foundation pit reinforcement construction device and method Download PDFInfo
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- CN117868152A CN117868152A CN202410139202.8A CN202410139202A CN117868152A CN 117868152 A CN117868152 A CN 117868152A CN 202410139202 A CN202410139202 A CN 202410139202A CN 117868152 A CN117868152 A CN 117868152A
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 52
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 25
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 59
- 238000003756 stirring Methods 0.000 claims description 36
- 238000003466 welding Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 12
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000003809 water extraction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/027—Investigation of foundation soil in situ before construction work by investigating properties relating to fluids in the soil, e.g. pore-water pressure, permeability
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a low-cost pollution-free foundation pit reinforcement construction device and method, which relate to the technical field of foundation pit support and comprise a prefabricated foundation pit, wherein a plurality of groups of PRC pipe piles are arranged in the prefabricated foundation pit, a soil moisture sensor sends a sensing signal to a soil moisture extractor when moisture exists under the cooperation of a reinforcement adjusting component, so that the soil moisture extractor is started, the moisture is extracted through a water pumping solid-liquid separation head, then the water is conveyed to a moisture extraction pipe under the action of a guide pump, an annular pipe and a water pumping controller, and is converged and discharged in an external water pumping pump, an inlet end and an outlet end and an annular pipe under the cooperation of flexible length pipes, the overall operation is regulated in a staged mode along with the construction working hour, the overall stability of the foundation pit is effectively ensured, the problem that the water body flows to cause reinforcement loosening in the subsequent rainwater flushing process is effectively reduced, and a low-cost pollution-free efficient reinforcement operation mode is formed.
Description
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a low-cost pollution-free foundation pit reinforcement construction device and method.
Background
Along with the continuous increase of the urban building scale in China, foundation pit excavation supporting projects are more and more, particularly subway engineering has higher and higher requirements on foundation pit supporting, and meanwhile, the problems are also caused. The foundation pit support plays roles of retaining soil, stabilizing pit bottoms and intercepting water in engineering construction, and ensures the safety of construction surrounding environment and engineering construction. In order to ensure the construction safety of structural engineering and the safety of surrounding environment, the shape of the soil body must be controlled by means of foundation pit support. The main function of the device is to fix and ensure the stability of the pit bottom.
However, in the prior art, in the foundation pit reinforcement construction process, support is performed by adopting a support rod and the like at low cost, but the overall strength cannot meet the reinforcement requirement, water body flow is easily caused in the subsequent rain flushing process, reinforcement is loose, a plurality of groups of mechanisms such as reinforcement connecting frame welding and the like are adopted, the overall reinforcement operation has higher economic cost, the overall reinforcement can cause economic deviation of construction operation, and the subsequent construction operation is influenced, so that the foundation pit reinforcement construction device and method with low cost and no pollution are needed.
Disclosure of Invention
The invention aims to provide a low-cost pollution-free foundation pit reinforcement construction device and method, which aim to solve the problems that in the foundation pit reinforcement construction process, support rods and the like are adopted for supporting in low cost, but the integral overall strength cannot meet the reinforcement requirement, water body flow is easily caused in the subsequent rain flushing process, reinforcement is loose, and a plurality of groups of reinforcement connecting frames are adopted for welding and other mechanisms, so that the integral reinforcement operation has higher economic cost, the integral reinforcement operation can cause economic deviation of construction operation, and the subsequent construction operation is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a low-cost pollution-free foundation ditch reinforcement construction device, includes the foundation ditch, the internally mounted of foundation ditch sets up multiunit PRC tubular pile, multiunit the inside slidable mounting of PRC tubular pile sets up the reinforcement regulation subassembly, multiunit the slot has been seted up to the top outer wall both sides surface symmetry of PRC tubular pile;
the strengthening and adjusting assembly comprises a pipe column sliding frame, a processing disc is fixedly connected to the bottom end of the pipe column sliding frame, a bottom mounting disc is fixedly connected to the bottom end of the processing disc through bolts, a limit bolt rod is inserted into the surfaces of the left side and the right side of the pipe column sliding frame, the limit bolt rod and a slot are inserted in a butt joint mode, a welding fixed groove is formed in the surface of the bottom wall of the bottom mounting disc in a surrounding mode, a collision stress frame is welded inside the bottom end of the welding fixed groove, a soil moisture extractor is arranged at the bottom axial center end of the bottom mounting disc, a guide pump is arranged at the side end of the soil moisture extractor in a communicating mode, a moisture extraction pipe is arranged at the side end of the soil moisture extractor in a communicating mode, a reinforcing connecting frame is arranged at the bottom end of the reinforcing connecting frame in a connecting mode, an annular pipe is arranged at the inner mounting of the pumping controller, a water-solid-liquid separation head is arranged at the side end of the annular pipe in a communicating mode, a conical fixed rod is connected in a penetrating mode, a bottom wall of the conical fixed rod is arranged at the top end of the bottom mounting disc, a reinforcing connecting frame is connected with a pressure-sensitive pipe, and an air cavity is arranged at the top of the air cavity, and the air cavity is arranged at the air cavity is isolated.
Preferably, the external mounting of multiunit PRC tubular pile sets up the reinforcing limit hoop, the outer wall surface of reinforcing limit hoop carries out the coagulation fixation through reinforcing the week side inner wall surface of base pit and foundation ditch, multiunit the bottom inner wall surface welding of PRC tubular pile has end backplate, the both sides surface of end backplate sets up the arc welding face, multiunit the inside of PRC tubular pile sets up multiunit stirring stake, multiunit stirring stake's central point installation sets up the center and bears the foundation stake, annular duct has been laid on the top surface of foundation ditch.
Preferably, the inside gomphosis grafting of backplate has the atress frame, grouting groove has been seted up on the roof surface of atress frame, the side intercommunication installation of atress frame sets up the pipe support, the side of pipe support is provided with the slip casting end, the side fastening connection of side of pipe support has the limit to consolidate the awl pole.
Preferably, the outer cover of multiunit PRC tubular pile, multiunit stirring stake and central foundation pile is established the fixed subassembly of connection, connect the fixed subassembly of bolt and include first staple bolt cover, first staple bolt cover is located the outside of PRC tubular pile and overlaps establishes, the side surface fastening of first staple bolt cover is connected with and connects the stock, the side fastening of connecting the stock is connected with the second staple bolt cover.
Preferably, the second hoop sleeve is arranged outside the stirring pile for sleeving, the side wall surface of the second hoop sleeve is fixedly connected with a reinforcing center hoop, and the reinforcing center hoop is arranged outside the center bearing foundation pile for sleeving.
Preferably, the outer wall surface of the first hoop sleeve is in fastening connection with the inner wall surface of the reinforcing side hoop, and the first hoop sleeve, the second hoop sleeve and the reinforcing center hoop form staggered fastening connection with the plurality of groups of PRC tubular piles, the plurality of groups of stirring piles and the center bearing foundation pile.
Preferably, the side end of the annular pipe is communicated with the surface of the soil moisture extractor through a circulating pipeline, and the side end of the moisture extraction pipe penetrates through the side wall of the bottom mounting disc and is communicated with a flexible length pipe.
Preferably, the side end of the flexible length pipe is communicated with the annular conduit, and the top end of the annular conduit is provided with an inlet and outlet end.
Preferably, the inner wall surface of the PRC tubular pile is provided with a convex sliding prism, the convex sliding prism is in sliding connection with the tubular pile sliding frame, and the gap ends of the PRC tubular pile, the stirring piles and the central bearing foundation pile are placed into the biological growth boxes.
A method of a low cost pollution-free foundation pit reinforcement construction device, comprising the steps of:
s1, firstly, installing a plurality of groups of PRC pipe piles into a prefabricated foundation pit shape, forming a surrounding pile structure by driving underground, and then, according to requirements, sliding a reinforcing and adjusting assembly to the bottom end along the inside of the plurality of groups of PRC pipe piles, judging according to a soil moisture sensor, and when moisture exists, timely extracting to ensure the continuous stability of the whole foundation pit operation;
s2, stirring soil and concrete in the enclosed space by utilizing a plurality of groups of stirring piles, driving a central bearing foundation pile into the central position, and sequentially forming a plurality of groups of PRC pipe piles, a plurality of groups of stirring piles and the central bearing foundation pile into connection and fixation through a connection bolt fixing assembly after the stirring operation of the plurality of groups of stirring piles is completed;
s3, carrying out preliminary pouring on the surface of the concrete base layer, and then placing the biological growth boxes in a region interactive mode according to the placement of the PRC pipe piles, so that grass in the biological growth boxes grows along the formed connection fixing structure in the subsequent foundation pit reinforcement and is connected in a staggered mode;
s4, after the reinforcing adjusting component is taken out through a rope connected in advance according to construction operation requirements, pouring is carried out on the inside of the plurality of groups of PRC pipe piles, repeated operation is carried out according to operation man-hour, and after the reinforcing adjusting component is formed in a waiting mode, a reinforced foundation pit structure is finally formed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the limit bolt rod is pulled out under the cooperation of the reinforcement adjusting component, so that the pipe column sliding frame drives the related structure to slide down to the bottom end of the PRC pipe pile along the convex sliding prism, under the action of gravity or the pressurizing device, the conical fixing rod is inserted into the ground of the foundation pit, the impact feedback generated by interference is reduced under the action of the interference stress frame, the influence of the impact feedback on the soil moisture sensor, the soil moisture extractor and the guide pump is eliminated, after the impact feedback arrives, the inside of the foundation pit is continuously detected under the cooperation of the soil moisture sensor, the long-time construction operation is avoided, the rainwater erosion is caused, the moisture content in the soil of the foundation pit is high, the soil moisture sensor is caused to be insufficient in bearing capacity, when the moisture exists, the soil moisture sensor sends a sensing signal to the soil moisture extractor, the soil moisture extractor is started, the water is extracted through the water pumping solid-liquid separation head, the extracted moisture is conveyed to the moisture extraction pipe under the action of the water pumping controller through the annular pipe under the action of the guide pump, the cooperation of the flexible length pipe, the water pump is utilized to extract the water pump to the annular pipe, the water is extracted to the water pipe, the water is discharged into the annular pipe, the annular pipe is regulated, the integral water is effectively, the water is polluted, the water is free from the foundation pit is formed, the whole construction process is stable, the problem is effectively, the water pollution is avoided, and the whole construction process is free from flowing, and the whole construction condition is guaranteed, and has low cost is realized.
2. According to the invention, after the stirring operation of a plurality of groups of stirring piles is completed under the cooperation of the connecting and fastening components, the first hoop sleeve, the connecting anchor rod, the second hoop sleeve and the reinforcing center hoop are used for fastening connection by adopting the processes of welding, threading and reinforcing, so that a plurality of groups of PRC pipe piles, a plurality of groups of stirring piles and the center bearing foundation pile are integrally and firmly connected, then the surface of a concrete foundation layer is initially poured into the interior of a foundation pit, an installation groove and an operation groove are reserved according to the placement position of a preset biological growth box, then the biological growth box is placed in an area-interactive mode according to the placement of the PRC pipe piles, grass in the biological growth box grows along the formed connecting and fixing structure in the subsequent foundation pit reinforcement, and the grass is in staggered connection, so that the biological reinforcement operation is further formed by matching with the plurality of groups of biological growth boxes, and the stability of the integral foundation pit is ensured.
3. According to the invention, under the cooperation of the stress frame, the grouting ends and the grouting grooves, the bottom guard plates are sequentially attached and fixed on the inner wall surfaces of a plurality of groups of PRC pipe piles by utilizing arc welding surfaces, then constructors drive the pipe frames and the side reinforcing conical rods to penetrate through the surfaces of the bottom guard plates, fix the side reinforcing conical rods and the peripheral side surfaces of the foundation pit through external hydraulic devices, and then inject prepared special slurry through the grouting grooves, so that overflow is carried out from the grouting ends, and the connecting surfaces of the side reinforcing conical rods and the peripheral side surfaces of the foundation pit are reinforced.
Drawings
FIG. 1 is a schematic view of a construction of a low cost pollution-free foundation pit reinforcement construction device according to the present invention;
FIG. 2 is a schematic diagram showing the separation structure of the main body in the low-cost pollution-free foundation pit reinforcement construction device of the present invention;
FIG. 3 is a schematic structural view of a stress frame, a grouting end and a grouting groove in a low-cost pollution-free foundation pit reinforcement construction device;
FIG. 4 is a schematic view of the installation position structure of the annular duct, the stirring pile and the center bearing foundation pile in the low-cost pollution-free foundation pit reinforcement construction device;
FIG. 5 is a schematic view of a structure of a connecting bolt assembly in a low-cost pollution-free foundation pit reinforcement construction device according to the present invention;
FIG. 6 is a schematic view of the installation position structure of the reinforcing and adjusting component in the low-cost pollution-free foundation pit reinforcing construction device;
FIG. 7 is a schematic structural view of a reinforcing and adjusting assembly in a low-cost pollution-free foundation pit reinforcing and constructing device according to the present invention;
FIG. 8 is a schematic diagram of a structure of a low cost pollution-free foundation pit reinforcement construction device with separate reinforcement adjustment assemblies;
fig. 9 is a schematic diagram of the installation positions of the pumping controller, the annular pipe, the soil moisture sensor and the pumping solid-liquid separation head in the low-cost pollution-free foundation pit reinforcement construction device.
In the figure: 1. PRC pipe pile; 2. a bottom guard board; 3. a pipe rack; 4. a taper rod is reinforced at the side; 5. reinforcing the edge hoops; 6. connecting the fixed bolt assembly; 61. the first hoop sleeve; 62. connecting an anchor rod; 63. the second hoop sleeve; 64. reinforcing the central cuff; 7. reinforcing the adjusting component; 71. a column carriage; 72. a limit bolt rod; 73. a bottom mounting plate; 74. a force-bearing rack is abutted; 75. a soil moisture extractor; 76. a guide pump; 77. a moisture extraction tube; 78. a pressurized air chamber; 79. an isolation plate; 790. welding a fixing groove; 791. reinforcing the connecting frame; 792. a tapered fixing rod; 793. a water pumping controller; 794. an annular tube; 795. a soil moisture sensor; 796. pumping water to separate solid from liquid; 8. an annular duct; 9. stirring piles; 10. a center bearing foundation pile; 11. a flexible length of tubing; 12. an inlet end and an outlet end; 13. an arc welding surface; 14. a stress frame; 15. grouting ends; 16. grouting grooves; 17. a slot; 18. convex sliding prism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9: the utility model provides a low-cost pollution-free foundation ditch reinforcement construction equipment, includes the foundation ditch, and the internally mounted of foundation ditch sets up multiunit PRC tubular pile 1, and the inside slidable mounting of multiunit PRC tubular pile 1 sets up consolidates adjusting part 7, and slot 17 has been seted up to multiunit PRC tubular pile 1's top outer wall both sides surface symmetry; the reinforcement adjusting assembly 7 comprises a pipe column sliding frame 71, a processing disc is fixedly connected to the bottom end of the pipe column sliding frame 71, a bottom mounting disc 73 is fixedly connected to the bottom end of the processing disc through bolts, a limit bolt rod 72 is inserted into the surfaces of the left side and the right side of the pipe column sliding frame 71, the limit bolt rod 72 and a slot 17 are in butt joint, a welding fixed groove 790 is formed in the periphery of the bottom wall surface of the bottom mounting disc 73 in an encircling mode, a collision stress frame 74 is welded inside the bottom end of the welding fixed groove 790, a soil moisture extractor 75 is arranged at the bottom axial end of the bottom mounting disc 73, a guide pump 76 is arranged at the side end of the soil moisture extractor 75 in a communicating mode, a moisture extraction pipe 77 is arranged at the side end of the soil moisture extractor 75 in a communicating mode, a reinforcing connecting frame 791 is arranged at the bottom end of the reinforcing connecting frame 791 in a connecting mode, a pumping controller 793 is arranged at the bottom end of the reinforcing connecting mode, an annular pipe 794 is arranged at the inner mounting of the pumping controller 793, a soil moisture sensor 795 is arranged outside the pumping solid-liquid separation head 796 in a communicating mode, a conical fixing rod 792 is connected to the inner wall of the pumping controller 793 in a penetrating mode, and a clamping plate 78 is connected to the inner wall of the bottom wall of the pipe is connected with the inner wall of the pipe pile carrier 79, and the reinforcing frame is connected with the inner wall of the pipe carrier 79 is arranged at the bottom wall of the pipe through the reinforcing frame, and the air cavity is connected with the inner wall of the air cavity 79, and the air cavity is isolated by the inner wall of the pipe is arranged at the inner wall of the pipe carrier, and the air carrier is isolated air carrier and the air carrier is isolated with the air carrier and the air carrier is isolated with the air carrier device.
According to the method, as shown in fig. 1-3, the outer installation of the plurality of groups of PRC pipe piles 1 is provided with the reinforcing side hoops 5, the outer wall surfaces of the reinforcing side hoops 5 are fixed by coagulation through the reinforcing base blocks and the peripheral side inner wall surfaces of the foundation pit, the bottom inner wall surfaces of the plurality of groups of PRC pipe piles 1 are welded with the bottom guard plates 2, the two side surfaces of the bottom guard plates 2 are provided with arc-shaped welding surfaces 13, the inner parts of the plurality of groups of PRC pipe piles 1 are provided with the plurality of groups of stirring piles 9, the central end of the plurality of groups of stirring piles 9 is provided with the central bearing base pile 10, the top end surface of the foundation pit is paved with the annular guide pipe 8, after the plurality of groups of PRC pipe piles 1 are placed, the reinforcing side hoops 5 are fixed outside the plurality of PRC pipe piles 1, coagulation is carried out through the reinforcing base blocks and the peripheral side inner wall surfaces of the foundation pit, the whole operation fixity is improved, then constructors enter the foundation pit, and the inner wall surfaces of the plurality of groups of PRC pipe piles 1 are sequentially laminated and fixed by the arc-shaped welding surfaces 13.
According to the illustration in fig. 3, the inside gomphosis grafting of backplate 2 has atress frame 14, grouting groove 16 has been seted up on the roof surface of atress frame 14, the side end intercommunication installation of atress frame 14 sets up pipe support 3, the side end of pipe support 3 is provided with grouting end 15, the side end fastening connection of pipe support 3 has side to consolidate awl pole 4, then constructor runs through atress frame 14 drive pipe support 3 and side to consolidate awl pole 4 from backplate 2's surface, and fix side to consolidate awl pole 4 and foundation ditch week side surface through external hydraulic means, later pour into the special matter thick liquid that prepares through grouting groove 16, make spill over from grouting end 15, and consolidate the junction surface of side to consolidate awl pole 4 and foundation ditch week side surface.
According to the arrangement of the outer sleeves of the plurality of groups of PRC pipe piles 1, the plurality of groups of stirring piles 9 and the central bearing foundation pile 10, the connecting and fastening bolt assembly 6 comprises a first hoop sleeve 61, the first hoop sleeve 61 is arranged outside the PRC pipe pile 1 in a sleeved mode, a connecting anchor rod 62 is fixedly connected to the side end surface of the first hoop sleeve 61, a second hoop sleeve 63 is fixedly connected to the side end of the connecting anchor rod 62, and a staggered connection structure is formed by the first hoop sleeve 61, the connecting anchor rod 62 and the second hoop sleeve 63, so that the PRC pipe pile 1 and the stirring piles 9 are fixedly connected.
According to the embodiments shown in fig. 1, 2, 4 and 5, the second hoop 63 is located outside the mixing pile 9 and sleeved, the reinforced central ferrule 64 is fixedly connected to the side wall surface of the second hoop 63, and the reinforced central ferrule 64 is located outside the central bearing foundation pile 10, so that the second hoop 63 and the reinforced central ferrule 64 are fixedly connected by adopting welding, threading and reinforcing processes, and the plurality of groups of PRC tubular piles 1, the plurality of groups of mixing piles 9 and the central bearing foundation pile 10 are integrally and firmly connected.
According to the embodiment shown in fig. 1, 2, 4 and 5, the outer wall surface of the first hoop 61 is fastened to the inner wall surface of the reinforcing side hoop 5, the first hoop 61, the second hoop 63 and the reinforcing center hoop 64 form a staggered fastening connection of the plurality of sets of PRC pile 1, the plurality of sets of mixing piles 9 and the center bearing foundation pile 10, and the prepared biological growth box is placed in the gaps of the staggered fastening connection formed by the plurality of sets of PRC pile 1, the plurality of sets of mixing piles 9 and the center bearing foundation pile 10 in sequence.
According to the embodiments shown in fig. 1, 2, 4 and 6, the side end of the annular pipe 794 is communicated with the surface of the soil moisture extractor 75 through a circulation pipeline, the side wall of the moisture extraction pipe 77 penetrating through the bottom mounting plate 73 is communicated with the flexible length pipe 11, the soil moisture extractor 75 is used for extracting the moisture in the foundation pit, the moisture extraction pipe 77 and the flexible length pipe 11 are connected with an external water pump, the moisture contained in the foundation pit is discharged, and the firmness of the whole foundation pit is further reinforced.
According to the figures 1 and 2, the side end of the flexible length pipe 11 is communicated with the annular duct 8, the top end of the annular duct 8 is provided with an inlet and outlet end 12, the inlet and outlet end 12 is connected with an external water suction pump, and the water extracted from the flexible length pipe 11 is converged and discharged through the annular duct 8.
According to fig. 6, the inner wall surface of the plurality of groups of PRC tubular piles 1 is provided with a convex sliding prism 18, the convex sliding prism 18 is slidably connected with a tubular pile sliding frame 71, the gap ends of the plurality of groups of PRC tubular piles 1, the plurality of groups of stirring piles 9 and the central bearing foundation pile 10 are placed into a plurality of groups of biological growth boxes, and the convex sliding prism 18 can drive the tubular pile sliding frame 71 to slide to the bottom of the PRC tubular pile 1 for fixing.
The wiring diagrams of the soil moisture extractor 75, the guide pump 76, the water pumping controller 793, the soil moisture sensor 795 and the water pumping solid-liquid separation head 796 in the present invention are well known in the art, and the working principle thereof is a well known technology, and the model thereof is selected to be a proper model according to actual use, so that the control manner and wiring arrangement will not be explained in detail for the soil moisture extractor 75, the guide pump 76, the water pumping controller 793, the soil moisture sensor 795 and the water pumping solid-liquid separation head 796.
The application method and the working principle of the device are as follows: firstly, installing a plurality of groups of PRC pipe piles 1 into a prefabricated foundation pit shape, forming a surrounding pile structure by driving underground for reinforcing the surrounding structure of the foundation pit, then, fixing a reinforcing edge hoop 5 outside the plurality of groups of PRC pipe piles 1, carrying out coagulation fixation through reinforcing base blocks and the peripheral side inner wall surface of the foundation pit, improving the fixity of the whole operation, then, enabling constructors to enter the inside of the foundation pit, sequentially attaching and fixing a bottom guard plate 2 on the inner wall surface of the plurality of groups of PRC pipe piles 1 by utilizing an arc-shaped welding surface 13, enabling constructors to penetrate a stress frame 14 to drive a pipe frame 3 and an edge reinforcing cone rod 4 from the surface of the bottom guard plate 2, fixing the edge reinforcing cone rod 4 and the peripheral side surface of the foundation pit by adopting an external hydraulic device, then, injecting prepared special slurry through a grouting groove 16, enabling overflow from a grouting end 15, and the connection surface between the side reinforcing taper rod 4 and the peripheral surface of the foundation pit is reinforced, and the limit bolt 72 is pulled out according to the requirement, so that the pipe column carriage 71 drives the related structure to slide along the convex sliding prism 18 to the bottom end of the PRC pipe pile 1, under the action of gravity or a pressurizing device, the taper fixing rod 792 is inserted into the ground of the foundation pit, and under the action of the collision stress frame 74, the impact feedback generated by the impact feedback is reduced to influence the soil moisture sensor 795, the soil moisture extractor 75 and the guide pump 76, after the impact feedback arrives, the inside of the foundation pit is continuously detected under the cooperation of the soil moisture sensor 795, the erosion of rainwater is avoided in long-time construction operation, the soil moisture content of the foundation pit is high, the soil bearing capacity is insufficient is avoided, when the moisture exists, the soil moisture sensor 795 sends a sensing signal to the soil moisture extractor 75, the soil moisture extractor 75 is started, moisture is extracted through the water pumping solid-liquid separation head 796, then the extracted moisture is conveyed to the moisture extraction pipe 77 through the annular pipe 794 under the action of the water pumping controller 793 under the action of the guide pump 76, and is extracted into the annular pipe 8 to be converged and discharged under the cooperation of the flexible length pipe 11 by the external water pumping and the inlet and outlet end 12, the whole operation is regulated in stages along with the working hours of construction, the whole stability of a foundation pit is effectively ensured, then the enclosed interior is subjected to the stirring operation of soil and concrete by the plurality of groups of stirring piles 9, the center bearing foundation pile 10 is driven into the center, after the stirring operation of the plurality of groups of stirring piles 9 is completed, the first hoop sleeve 61, the connecting anchor rod 62, the second hoop sleeve 63 and the reinforcing center hoop 64 are fastened and connected by adopting the welding, screw thread and reinforcing process, the method comprises the steps of forming integral stable connection of a plurality of groups of PRC pipe piles 1, a plurality of groups of stirring piles 9 and a central bearing foundation pile 10, then pouring the surface of a concrete base layer initially in a foundation pit, reserving a mounting groove and a working groove according to the placement position of a preset biological growth box, then placing the biological growth box in a region interactive mode according to the placement of the PRC pipe piles, enabling grass in the biological growth box to grow along a formed connection fixing structure in the subsequent foundation pit reinforcement, connecting the grass in a staggered mode, taking out a reinforcement adjusting assembly 7 according to construction operation requirements through a rope connected in advance, or directly leaving the reinforcement adjusting assembly 7 in the PRC pipe pile 1, pouring the interior of the plurality of groups of PRC pipe piles 1, repeating operation according to operation man-hour, waiting for forming, and finally forming the reinforced foundation pit structure.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a low-cost pollution-free foundation ditch reinforcement construction device which characterized in that: the pile foundation comprises a foundation pit, wherein a plurality of groups of PRC pipe piles (1) are arranged in the foundation pit, a reinforcing adjusting assembly (7) is arranged in the PRC pipe piles (1) in a sliding manner, and slots (17) are symmetrically formed in the surfaces of two sides of the outer wall of the top end of each PRC pipe pile (1);
the reinforcement adjusting component (7) comprises a pipe column sliding frame (71), a processing disc is connected to the bottom end of the pipe column sliding frame (71) in a fastening mode, a bottom mounting disc (73) is connected to the bottom end of the processing disc in a fastening mode through bolts, a limit bolt rod (72) is inserted into the left side surface and the right side surface of the pipe column sliding frame (71), the limit bolt rod (72) is inserted into a slot (17) in a butt joint mode, a welding fixed groove (790) is formed in the bottom wall surface of the bottom mounting disc (73) in a surrounding mode, an abutting force frame (74) is welded inside the bottom end of the welding fixed groove (790), a soil moisture extractor (75) is arranged at the bottom axial center end of the bottom mounting disc (73), a water extraction pipe (77) is arranged at the side end of the soil moisture extractor (75) in a communicating mode, a reinforcing connecting frame (791) is arranged at the bottom end of the abutting force frame (74), a water pumping controller (793) is arranged at the bottom end connection of the reinforcing connecting frame (794), a ring-shaped pipe (794) is arranged at the inside the water pumping controller (794), a water pumping sensor (796) is arranged at the outside of the water pumping sensor (796), the inside through connection of controller (793) draws water has toper dead lever (792), the top of toper dead lever (792) and the diapire surface fastening connection of strengthening link (791), the top installation of tubular column balladeur train (71) sets up pressurized air cavity (78), the top installation of pressurized air cavity (78) sets up isolation board (79), the inner wall surface block of isolation board (79) and PRC tubular pile (1) is connected.
2. The low-cost pollution-free foundation pit reinforcement construction device of claim 1, wherein: the externally mounted of multiunit PRC tubular pile (1) sets up consolidates limit hoop (5), the outer wall surface that consolidates limit hoop (5) carries out the coagulation through the week side inner wall surface of strengthening the base block and foundation ditch and fixes, multiunit the bottom inner wall surface welding of PRC tubular pile (1) has end backplate (2), the both sides surface of end backplate (2) sets up arc welding face (13), multiunit the inside of PRC tubular pile (1) sets up multiunit stirring stake (9), multiunit stirring stake (9) center end installation sets up center and bears foundation stake (10), annular pipe (8) have been laid on the top surface of foundation ditch.
3. The low-cost pollution-free foundation pit reinforcement construction device of claim 2, wherein: the grouting device is characterized in that a stress frame (14) is inserted into the bottom guard plate (2) in a jogged mode, a grouting groove (16) is formed in the surface of the top wall of the stress frame (14), a pipe frame (3) is arranged in a communicated mode at the side end of the stress frame (14), a grouting end (15) is arranged at the side end of the pipe frame (3), and a side reinforcing taper rod (4) is fixedly connected with the side end of the pipe frame (3).
4. A low cost pollution free foundation pit reinforcing construction device according to claim 3, wherein: the outer cover of multiunit PRC tubular pile (1), multiunit stirring stake (9) and central foundation pile (10) is established the fixed subassembly (6) of installation connection, connect fixed subassembly (6) including first staple bolt cover (61), first staple bolt cover (61) are located the outside of PRC tubular pile (1) and overlap and establish, the side surface fastening of first staple bolt cover (61) is connected with and connects stock (62), the side fastening of connecting stock (62) is connected with second staple bolt cover (63).
5. The low-cost pollution-free foundation pit reinforcement construction device of claim 4, wherein: the second hoop sleeve (63) is arranged outside the mixing pile (9) in a sleeved mode, a reinforcing center hoop (64) is fixedly connected to the side wall surface of the second hoop sleeve (63), and the reinforcing center hoop (64) is arranged outside the center bearing foundation pile (10) in a sleeved mode.
6. The low-cost pollution-free foundation pit reinforcement construction device of claim 5, wherein: the outer wall surface of the first hoop sleeve (61) is in fastening connection with the inner wall surface of the reinforcing side hoop (5), and the first hoop sleeve (61), the second hoop sleeve (63) and the reinforcing center hoop (64) form staggered fastening connection with the plurality of groups of PRC pipe piles (1), the plurality of groups of stirring piles (9) and the center bearing foundation pile (10).
7. The low-cost pollution-free foundation pit reinforcement construction device of claim 6, wherein: the side end of the annular pipe (794) is communicated with the surface of the soil moisture extractor (75) through a circulation pipeline, and the side end of the moisture extraction pipe (77) penetrates through the side wall of the bottom mounting disc (73) to be communicated with a flexible length pipe (11).
8. The low-cost pollution-free foundation pit reinforcement construction device of claim 7, wherein: the side end of the flexible length pipe (11) is communicated with the annular duct (8), and the top end of the annular duct (8) is provided with an inlet and outlet end (12).
9. The low-cost pollution-free foundation pit reinforcement construction device of claim 8, wherein: the inner wall surface of multiunit PRC tubular pile (1) sets up protruding smooth prism (18), protruding smooth prism (18) and tubular column balladeur train (71) sliding connection, multiunit PRC tubular pile (1), multiunit stirring stake (9) and central clearance end that bears foundation pile (10) put into multiunit biological growth case.
10. A method of a low cost pollution free foundation pit reinforcement construction device of claim 9, comprising the steps of:
s1, firstly, installing a plurality of groups of PRC tubular piles (1) into a prefabricated foundation pit shape, forming a surrounding pile structure by driving underground for reinforcing a surrounding structure of the foundation pit, sliding a reinforcing and adjusting assembly (7) to the bottom end along the inside of the plurality of groups of the PRC tubular piles (1) according to requirements, judging according to a soil moisture sensor (795), and timely extracting when moisture exists, so that the continuous stability of the whole foundation pit operation is ensured;
s2, stirring soil and concrete in the enclosed space by utilizing a plurality of groups of stirring piles (9), driving a central bearing foundation pile (10) into the center, and after the stirring operation of the plurality of groups of stirring piles (9) is completed, sequentially forming a plurality of groups of PRC pipe piles (1), the plurality of groups of stirring piles (9) and the central bearing foundation pile (10) into a connection and fixation mode through a connection bolt fixing assembly (6);
s3, carrying out preliminary pouring on the surface of the concrete base layer, and then placing the biological growth boxes in a region interactive mode according to the placement of the PRC pipe piles, so that grass in the biological growth boxes grows along the formed connection fixing structure in the subsequent foundation pit reinforcement and is connected in a staggered mode;
s4, after taking out the reinforcing adjusting component (7) through a rope connected in advance according to construction operation requirements, pouring the interiors of the plurality of groups of PRC tubular piles (1), repeating operation according to operation man-hours, and finally forming a reinforced foundation pit structure after waiting for forming.
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| KR101973566B1 (en) * | 2018-08-29 | 2019-04-30 | (주)대우건설 | Sheathing method for constructing both sheathing wall and cutoff collar by bolting cutoff plate to phc pile with longitudinal plate |
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