CN114031249A - Cast-in-situ bored pile slurry curing treatment system and curing outward transportation construction method - Google Patents
Cast-in-situ bored pile slurry curing treatment system and curing outward transportation construction method Download PDFInfo
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- CN114031249A CN114031249A CN202111421422.2A CN202111421422A CN114031249A CN 114031249 A CN114031249 A CN 114031249A CN 202111421422 A CN202111421422 A CN 202111421422A CN 114031249 A CN114031249 A CN 114031249A
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- 239000002002 slurry Substances 0.000 title claims abstract description 191
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000004062 sedimentation Methods 0.000 claims abstract description 106
- 238000003860 storage Methods 0.000 claims abstract description 60
- 239000013049 sediment Substances 0.000 claims abstract description 52
- 238000001704 evaporation Methods 0.000 claims abstract description 33
- 230000008020 evaporation Effects 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 25
- 239000002699 waste material Substances 0.000 claims abstract description 23
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 15
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 15
- 239000004571 lime Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 15
- 238000007711 solidification Methods 0.000 claims description 14
- 230000008023 solidification Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002912 waste gas Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 16
- 239000010802 sludge Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000004575 stone Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- 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
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Abstract
The invention provides a system for curing cast-in-situ bored pile slurry and a curing outward transportation construction method. The system comprises: a pulp storage tank, a sedimentation tank and an evaporation tank; the sedimentation tank is communicated with the slurry storage tank, so that the waste slurry in the slurry storage tank is discharged into the sedimentation tank, and the waste slurry is naturally precipitated in the sedimentation tank to obtain upper-layer slurry and sediment; and an evaporation tank is arranged on one side of the sedimentation tank and used for storing the sediments and solidifying the sediments through dry lime. The waste gas slurry in the slurry storage tank is discharged into the sedimentation tank and naturally sedimentated through the sedimentation tank, so that the effect of separating the slurry from the water is achieved; and (3) stirring the dry lime in the evaporation tank to solidify the sediments into solidified soil, and then transporting the solidified soil out of the field through a soil-pulling vehicle. The system can ensure that the mud on site is discharged in time and is not influenced by weather during construction; meanwhile, after the slurry is solidified, the slurry is convenient to transport, the total amount of outward transportation is greatly reduced, the transportation efficiency is improved, and the transportation cost is saved.
Description
Technical Field
The invention relates to the technical field of pile foundation engineering, in particular to a system for curing and treating slurry of a cast-in-situ bored pile and a curing and outward transportation construction method.
Background
Along with the rapid development of the building industry, the requirements on the pile foundation are diversified according to different structural forms, and the cast-in-situ bored pile is used as an important component of the pile foundation engineering, has the advantages of high bearing capacity, short construction period, no vibration, no ground uplift, no lateral movement and the like during construction, and is suitable for various geological conditions.
However, the problem of outward transport of slurry generated in the process of constructing the cast-in-situ bored pile is also a great difficulty in the construction of the cast-in-situ bored pile, and the traditional method has low efficiency of outward transport of slurry, high transportation cost and difficult transportation.
Disclosure of Invention
In view of the above, the invention provides a system for curing and treating slurry of a cast-in-situ bored pile and a curing outward transportation construction method, and aims to solve the problems of low outward transportation efficiency and high transportation cost of the slurry generated by the existing cast-in-situ bored pile.
In one aspect, the present invention provides a system for solidifying slurry of a cast-in-situ bored pile, including: a pulp storage tank, a sedimentation tank and an evaporation tank; the sedimentation tank is communicated with the slurry storage tank, so that the waste slurry in the slurry storage tank is discharged into the sedimentation tank, and the waste slurry is naturally precipitated in the sedimentation tank to obtain upper-layer slurry and sediment; and an evaporation tank is arranged on one side of the sedimentation tank and used for storing the sediments and solidifying the sediments through dry lime.
Further, the system for curing and treating the slurry of the cast-in-situ bored pile further comprises: a circulation tank; the circulating tank is communicated with the sedimentation tank so that the upper layer slurry is discharged into the circulating tank; the circulating tank is also communicated with the slurry storage tank so as to enable slurry to circulate in the slurry storage tank and the circulating tank.
Further, in the system for curing the slurry of the cast-in-situ bored pile, the slurry storage tank is communicated with the circulating tank through the slurry tank.
Further, in the system for curing the slurry of the cast-in-situ bored pile, the circulation tank is communicated with the sedimentation tank through a slurry channel.
Further, in the system for solidifying the slurry of the cast-in-situ bored pile, a slurry pump is arranged in the sedimentation tank and used for discharging the upper slurry into the circulating tank.
Further, above-mentioned drilling bored concrete pile mud solidification processing system, be equipped with the dredge pump in the storage thick liquid pond, it with the sedimentation tank is linked together through the blow off pipe, be used for with waste mud in the storage thick liquid pond is arranged to in the sedimentation tank.
Further, in the cast-in-situ bored pile slurry solidification treatment system, the sedimentation tank is a three-stage sedimentation tank.
On the other hand, the invention also provides a construction method for curing and transporting the slurry of the cast-in-situ bored pile, which further comprises the following steps: a sedimentation step, namely discharging the waste slurry in the slurry storage tank into a sedimentation tank, naturally settling in the sedimentation tank, and separating to obtain upper-layer slurry and sediment; a cleaning step, wherein the sediment precipitated in the sedimentation tank is cleaned; a transportation step, transporting the cleaned sediments to an evaporation tank; a solidification step, mixing dry lime into the sediment in the evaporation tank, and solidifying the sediment to form solidified soil; and a step of outward transportation, in which the solidified soil in the evaporation pond is transported out of the field.
Further, before the sedimentation step, the method for constructing the cast-in-situ bored pile by solidifying the slurry further comprises the following steps: and a pre-digging step, namely digging a sedimentation tank and a slurry storage tank in advance, installing a sewage pump in the slurry storage tank to discharge the waste slurry in the slurry storage tank into the sedimentation tank, and arranging a slurry pump in the sedimentation tank to discharge the upper slurry obtained after sedimentation.
Further, after the settling step and before the cleaning step, the method for constructing the cast-in-situ bored pile by solidifying the slurry further comprises the following steps: and a slurry discharging step, namely discharging the upper slurry obtained after the precipitation in the precipitation tank into a circulating tank, and circulating the upper slurry into a slurry storage tank for recycling.
The invention provides a system for curing and treating slurry of a cast-in-situ bored pile and a curing and outward transporting construction method, wherein waste gas slurry in a slurry storage tank is discharged into a sedimentation tank and naturally sedimentated through the sedimentation tank so as to naturally sedimentate the waste gas slurry, and granular solid particles such as sand, stone and the like in the slurry are sedimentated and separated to achieve the effect of separating mud and water, so that sludge and the last slurry in a sludge state are obtained; the sediments are stored through the evaporation tank, so that the sediments are solidified into solidified soil, namely dry soil, by adopting dry lime stirring in the evaporation tank, and then the sediments can be transported out of the field through the soil-pulling vehicle. The system can ensure that the mud on site is discharged in time and is not influenced by weather during construction; meanwhile, after the slurry is solidified, the slurry is convenient to transport, the total amount of outward transportation is greatly reduced, the transport efficiency is improved, and the transport cost is saved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a block diagram illustrating a system for solidifying slurry of a cast-in-situ bored pile according to an embodiment of the present invention;
FIG. 2 is a process flow chart of a method for solidifying slurry of a cast-in-situ bored pile and transporting the slurry to outside according to an embodiment of the present invention;
fig. 3 is a flow chart of a bored pile slurry solidification outward transportation construction method according to an embodiment of the present invention;
fig. 4 is a block diagram illustrating a flow chart of a method for solidifying slurry of a cast-in-situ bored pile and transporting the slurry to outside according to an embodiment of the present invention;
fig. 5 is a further flowchart of the method for solidifying and transporting out the slurry of the cast-in-situ bored pile according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Curing treatment system embodiment:
referring to fig. 1, a block diagram of a system for solidifying slurry of a cast-in-situ bored pile according to an embodiment of the present invention is shown. As shown, the system includes: a pulp storage tank 110, a sedimentation tank 120, an evaporation tank 130 and a circulation tank 140; the sedimentation tank 120 is communicated with the slurry storage tank 110, so that the waste slurry in the slurry storage tank 110 is discharged into the sedimentation tank 120, the waste slurry is naturally precipitated in the sedimentation tank 120, and solid particles such as sand, stone and the like in the slurry are separated to obtain upper-layer slurry and sediment, wherein the sediment is in a sludge state; an evaporation tank 130 is arranged on one side of the sedimentation tank 120 and used for storing sediments and solidifying the sediments through dry lime so as to obtain solidified soil which is convenient for being transported out of a field; the circulation tank 130 is communicated with the sedimentation tank 120 so that the upper slurry is discharged into the circulation tank 130; the circulation tank 130 is also communicated with the slurry storage tank 110 to circulate slurry in the slurry storage tank 110 and the circulation tank 130, thereby achieving the effect of pile foundation slurry wall protection.
Specifically, a drainage pump may be disposed in the slurry storage tank 110, and the drainage pump is communicated with the sedimentation tank 120 through a drainage pipe, and is used for draining the waste slurry in the slurry storage tank 110 into the sedimentation tank 120, so as to discharge the waste slurry. The sedimentation tank 120 may be provided therein with a slurry pump for discharging the upper slurry into the circulation tank 110; the circulation tank 140 is communicated with the sedimentation tank 120 through a slurry channel, so that the upper slurry in the sedimentation tank 120 is discharged into the circulation tank 130 from the slurry channel; the slurry storage tank 110 and the circulation tank 140 can be communicated through a slurry tank, so that slurry in the circulation tank 140 can be circulated into the slurry storage tank 110 from the slurry tank, and the slurry can be circulated in the slurry storage tank 110 and the circulation tank 140, thereby achieving the effect of pile foundation slurry wall protection. In this embodiment, the sedimentation tank 120 may be a three-stage sedimentation tank to improve the sedimentation effect.
In this embodiment, the project of the headquarters in the ji, is located in the south of the bridge of the xiaoshan economic development area in hangzhou city, the design elevation ± 0.00 is equivalent to the absolute elevation of 6.80 m, the foundation adopts a drilling and grouting pile foundation form, total 2081 piles are provided, the length of the pile is about 47 m, and the diameter of the pile is 600-800 mm, so that the project has a tighter pile foundation engineering period and the hangzhou local environment protection problem of construction is more strict, and if the problem of outward transportation of slurry cannot be solved, the project period of the whole project is delayed. The project can adopt the system to settle step by step through the settling pond, after the slurry is dehydrated, the sludge in a sludge state is formed and mixed with dry lime to be stirred into dry soil, and the dry soil is solidified and transported by utilizing the earthwork vehicle, so that the construction purpose of transporting the slurry outside is achieved.
In summary, in the system for solidifying slurry of a cast-in-situ bored pile provided by this embodiment, the waste gas slurry in the slurry storage tank is discharged into the sedimentation tank, and natural sedimentation is performed in the sedimentation tank, so that the waste gas slurry is naturally sedimentated, and the granular solid particles such as sand and stone in the slurry are sedimentated and separated, so as to achieve the effect of separating mud and water, and obtain sludge and the previous slurry in a sludge state; the sediments are stored through the evaporation tank 130, so that the sediments are solidified into solidified soil, namely dry soil, by adopting dry lime stirring in the evaporation tank 130, and then the sediments can be transported out of the field through the soil-pulling vehicle. The system can ensure that the mud on site is discharged in time and is not influenced by weather during construction; meanwhile, after the slurry is solidified, the slurry is convenient to transport, the total amount of outward transportation is greatly reduced, the transport efficiency is improved, and the transport cost is saved.
The method comprises the following steps:
referring to fig. 2 to fig. 3, a process flow diagram of a bored pile slurry solidification outward transportation construction method 200 according to an embodiment of the present invention is shown. As shown, the method comprises the following steps:
and a sedimentation step S1, discharging the waste slurry in the slurry storage tank into a sedimentation tank, naturally settling in the sedimentation tank, and separating to obtain upper-layer slurry and sediment.
Specifically, the sedimentation tank may be a third-stage sedimentation tank; waste slurry in the slurry storage tank can be discharged into the sedimentation tank for sedimentation through the sewage discharge pump and the sewage discharge pipe, the slurry is fully precipitated through the sedimentation tank, the two sedimentation tanks and the three sedimentation tanks, solid particles such as sand and stone in the slurry are naturally precipitated step by step, the effect of mud-water separation is achieved, the separation of solid particles such as sand and stone in the slurry is realized, and the upper slurry and the dewatered sediment which is in a sludge state can be obtained in a separable mode.
And a cleaning step S2, cleaning the sediment precipitated in the sedimentation tank.
In particular, a digging machine can be adopted to clean sediment collection and sediment in the sedimentation tank.
And a transporting step S3, transporting the cleaned sediments to an evaporation pond.
In particular, the cleaned sediment can be transported to an evaporation tank.
And a solidifying step S4, mixing dry lime into the sediments in the evaporation tank, and solidifying the sediments to form solidified soil.
Specifically, dry lime may be added to the sludge and stirred to solidify the sludge to form solidified soil, i.e., dry soil.
And a step S5 of transporting the solidified soil in the evaporation pond out of the field.
Specifically, the solidified soil in the evaporation pond is transported out of the field by a soil pulling vehicle.
Referring to fig. 4, a flowchart of a method 200 for solidifying and transporting out a slurry of a cast-in-situ bored pile according to an embodiment of the present invention is shown. As shown in fig. 4 and 3, the method includes the steps of:
and a pre-digging step S6, pre-digging a sedimentation tank and a slurry storage tank, installing a sewage pump in the slurry storage tank to discharge the waste slurry in the slurry storage tank into the sedimentation tank, and arranging a slurry pump in the sedimentation tank to discharge the upper slurry obtained after sedimentation.
Specifically, firstly, determining the positions of a sedimentation tank and a pulp storage tank according to a floor plan and the actual situation of the site; then, digging more than three sedimentation tanks in advance at the determined positions, and digging a pulp storage tank; and a sewage pump is arranged in the slurry storage tank to discharge the waste slurry in the slurry storage tank into the sedimentation tank, and a slurry pump is arranged in the sedimentation tank to discharge the upper slurry obtained after sedimentation. Of course, the excavation of the evaporation pond and the circulation pond can also be performed.
And a sedimentation step S1, discharging the waste slurry in the slurry storage tank into a sedimentation tank, naturally settling in the sedimentation tank, and separating to obtain upper-layer slurry and sediment.
And a cleaning step S2, cleaning the sediment precipitated in the sedimentation tank.
And a transporting step S3, transporting the cleaned sediments to an evaporation pond.
And a solidifying step S4, mixing dry lime into the sediments in the evaporation tank, and solidifying the sediments to form solidified soil.
And a step S5 of transporting the solidified soil in the evaporation pond out of the field.
Referring to fig. 5, a flowchart of a method 200 for solidifying and transporting out a slurry of a cast-in-situ bored pile according to an embodiment of the present invention is shown. As shown in fig. 5, the method includes the steps of:
and a pre-digging step S6, pre-digging a sedimentation tank and a slurry storage tank, installing a sewage pump in the slurry storage tank to discharge the waste slurry in the slurry storage tank into the sedimentation tank, and arranging a slurry pump in the sedimentation tank to discharge the upper slurry obtained after sedimentation.
And a sedimentation step S1, discharging the waste slurry in the slurry storage tank into a sedimentation tank, naturally settling in the sedimentation tank, and separating to obtain upper-layer slurry and sediment.
And a slurry discharging step S7, discharging the upper layer slurry obtained after the precipitation in the sedimentation tank into a circulating tank, and circulating the upper layer slurry into a slurry storage tank for recycling.
Specifically, the upper slurry obtained after the sedimentation in the sedimentation tank is discharged into the circulation tank through the slurry pump, and the slurry in the circulation tank can be circulated into the slurry storage tank 110 through the slurry tank, so that the slurry circulates in the slurry storage tank 110 and the circulation tank 140, and the effect of pile foundation slurry wall protection is achieved.
And a cleaning step S2, cleaning the sediment precipitated in the sedimentation tank.
And a transporting step S3, transporting the cleaned sediments to an evaporation pond.
And a solidifying step S4, mixing dry lime into the sediments in the evaporation tank, and solidifying the sediments to form solidified soil.
And a step S5 of transporting the solidified soil in the evaporation pond out of the field.
The method provided in this embodiment is the same as the system principle provided in the above embodiments, and related parts may be referred to each other, which is not described in detail in this embodiment.
In summary, in the construction method for solidifying and transporting out the slurry of the cast-in-situ bored pile provided by this embodiment, the waste gas slurry in the slurry storage tank is discharged into the sedimentation tank, and natural sedimentation is performed through the sedimentation tank, so that the waste gas slurry is naturally precipitated, and the solid particles such as sand and stone in the slurry are precipitated and separated, so as to achieve the effect of separating mud from water, and obtain sludge and the previous slurry in a sludge state; the sediments are stored through the evaporation tank, so that the sediments are solidified into solidified soil, namely dry soil, by adopting dry lime stirring in the evaporation tank, and then the sediments can be transported out of the field through the soil-pulling vehicle. The system can ensure that the mud on site is discharged in time and is not influenced by weather during construction; meanwhile, after the slurry is solidified, the slurry is convenient to transport, the total amount of outward transportation is greatly reduced, the transport efficiency is improved, and the transport cost is saved.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A bored pile mud solidification processing system, characterized by, includes: a pulp storage tank, a sedimentation tank and an evaporation tank; wherein,
the sedimentation tank is communicated with the slurry storage tank so that the waste slurry in the slurry storage tank is discharged into the sedimentation tank, and the waste slurry is naturally precipitated in the sedimentation tank to obtain upper-layer slurry and sediment;
and an evaporation tank is arranged on one side of the sedimentation tank and used for storing the sediments and solidifying the sediments through dry lime.
2. The cast-in-situ bored pile mud curing system of claim 1, further comprising: a circulation tank; wherein,
the circulating tank is communicated with the sedimentation tank so that the upper slurry is discharged into the circulating tank;
the circulating tank is also communicated with the slurry storage tank so as to enable slurry to circulate in the slurry storage tank and the circulating tank.
3. The cast-in-situ bored pile mud solidification processing system according to claim 2, wherein the mud storage tank and the circulation tank are communicated with each other through a mud trough.
4. The cast-in-situ bored pile mud solidification processing system according to claim 2, wherein the circulation tank and the sedimentation tank are communicated with each other through a mud passage.
5. The cast-in-situ bored pile mud solidification processing system according to any one of claims 1 to 4,
and a mud pump is arranged in the sedimentation tank and used for discharging the upper slurry into the circulating tank.
6. The cast-in-situ bored pile mud solidification processing system according to any one of claims 1 to 4,
and a sewage pump is arranged in the slurry storage tank, is communicated with the sedimentation tank through a sewage discharge pipe and is used for discharging the waste slurry in the slurry storage tank into the sedimentation tank.
7. The cast-in-situ bored pile mud solidification processing system according to any one of claims 1 to 4, wherein the sedimentation tank is a tertiary sedimentation tank.
8. The construction method for curing and transporting the slurry of the cast-in-situ bored pile is characterized by comprising the following steps of:
a sedimentation step, namely discharging the waste slurry in the slurry storage tank into a sedimentation tank, naturally settling in the sedimentation tank, and separating to obtain upper-layer slurry and sediment;
a cleaning step, wherein the sediment precipitated in the sedimentation tank is cleaned;
a transportation step, transporting the cleaned sediments to an evaporation tank;
a solidification step, mixing dry lime into the sediment in the evaporation tank, and solidifying the sediment to form solidified soil;
and a step of outward transportation, in which the solidified soil in the evaporation pond is transported out of the field.
9. The cast-in-situ bored pile mud solidification outward transport construction method according to claim 8, further comprising, before the settling step, the steps of:
and a pre-digging step, namely digging a sedimentation tank and a slurry storage tank in advance, installing a sewage pump in the slurry storage tank to discharge the waste slurry in the slurry storage tank into the sedimentation tank, and arranging a slurry pump in the sedimentation tank to discharge the upper slurry obtained after sedimentation.
10. The cast-in-situ bored pile mud solidification outward transport construction method according to claim 8 or 9, further comprising, after the settling step and before the cleaning step, the steps of:
and a slurry discharging step, namely discharging the upper slurry obtained after the precipitation in the precipitation tank into a circulating tank, and circulating the upper slurry into a slurry storage tank for recycling.
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| CN115030146A (en) * | 2022-06-15 | 2022-09-09 | 曾国海 | Solidified soil composite foundation technology for pile mud capable of being solidified in situ to form pile body material |
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| CN110372160A (en) * | 2019-06-17 | 2019-10-25 | 浙江省建工集团有限责任公司 | A kind of cast-in-situ bored pile Muddy Bottoms waste material slurry curing separating process |
| CN111706275A (en) * | 2020-05-29 | 2020-09-25 | 浙大城市学院 | Construction method of slurry circulation system of bored pile in complex geology |
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| CN115030146A (en) * | 2022-06-15 | 2022-09-09 | 曾国海 | Solidified soil composite foundation technology for pile mud capable of being solidified in situ to form pile body material |
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