CN115217146B - Anti-floating underground building structure - Google Patents
Anti-floating underground building structure Download PDFInfo
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- CN115217146B CN115217146B CN202210872764.4A CN202210872764A CN115217146B CN 115217146 B CN115217146 B CN 115217146B CN 202210872764 A CN202210872764 A CN 202210872764A CN 115217146 B CN115217146 B CN 115217146B
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- blind pipe
- floating
- basement
- side wall
- pipe
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
- E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/32—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river
- E03B3/34—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river of underground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Building Environments (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses an anti-floating underground building structure, which comprises: basement bottom plate, bottom plate side wall, basement floor and floor side wall, anti-floating underground building structure still includes: the support structure and the blind pipe are arranged between the support structure and the side wall of the floor slab, and a water guide groove is arranged in the ventilation gallery; the blind pipe comprises a horizontal section and a vertical section, wherein the horizontal section of the blind pipe adopts a water permeable pipe body, and the vertical section of the blind pipe adopts a water stop plate body; the horizontal segment of blind pipe is pre-buried in the lower Fang Yantu of basement bottom plate, and the vertical section of blind pipe is followed ventilation gallery is arranged to the upside, just be equipped with the relief pipe on the vertical section of blind pipe, the delivery port of relief pipe is located the basin top. Through the structural design of the anti-floating underground building structure, isolation of basement wall and surrounding base layers is completed, the outer facade of the basement outer wall is in a dry state, corrosion and erosion of crevice water are reduced, and the inner wall of the building wall is provided with a dry environment.
Description
Technical Field
The invention belongs to the field of underground building structures, and particularly relates to an anti-floating underground building structure.
Background
Modern buildings occupy above-ground and underground spaces, and exploration of the underground space is continuously enhanced, but the technology for developing the underground space in the building industry is greatly limited due to the complex geological structure and the abundant groundwater. The effect of groundwater on the underground space is mainly manifested in another aspect, the first is that groundwater must be drained during construction, a dry working environment for human activities is provided, precipitation, water-isolation and drainage measures are needed at this time, and the second is that after construction is completed, the utilization of the underground space also requires leaf-drying environment, at which time water-proof and water-blocking measures are needed.
As long as the depth of the underground building structure reaches above the ground water level, the underground building structure is suspended in underground rock and water (like a ship), the foundation bearing capacity of the underground rock and soil is born by the building and also receives the buoyancy of water, and the building is in an equilibrium state only if the self weight is equivalent to the bearing capacity and the buoyancy of the building. The load of the building is a fixed value, the bearing capacity of the foundation is almost constant, and the buoyancy of the groundwater can be changed due to the change of the water level caused by seasonal change, so that the building is damaged.
The conventional anti-floating designs are various, namely 1, the soil covering weight on the underground building can increase the construction cost 2, namely the anti-floating pile and the anti-floating anchor rod designs, but the anti-floating pile and the anti-floating anchor rod designs often fail due to fatigue damage caused by water level change.
In underground engineering construction, in order to prevent surrounding earthwork from collapsing and side slope from being unstable, some supporting measures are usually adopted, such as supporting piles, underground continuous walls, waterproof curtains and the like. However, the supporting structures are temporary structures, earthwork backfilling is performed immediately after engineering construction, pipelines are pre-buried, and buried pipes are excavated again. The outer wall of the basement structure is always in contact with backfill.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an anti-floating underground building structure, which is used for isolating basement walls from surrounding base layers through the structural design of the anti-floating underground building structure, so that the outer vertical surface of the basement outer wall is in a dry state, and corrosion and erosion of crevice water are reduced, thereby drying the inner wall of a building wall.
The aim of the invention is achieved by the following technical scheme:
an anti-floating subterranean construction structure, the anti-floating subterranean construction structure comprising: the building structure comprises a basement bottom plate, a bottom plate side wall, a basement floor slab and a floor slab side wall, wherein the bottom plate side wall is built on the basement bottom plate; the anti-floating underground building structure further comprises: the support structure and the blind pipe are arranged between the support structure and the side wall of the floor slab, and a water guide groove is arranged in the ventilation gallery; the blind pipe comprises a horizontal section and a vertical section, wherein the horizontal section of the blind pipe adopts a water permeable pipe body, and the vertical section of the blind pipe adopts a water stop plate body; the horizontal segment of blind pipe is pre-buried in the lower Fang Yantu of basement bottom plate, and the vertical section of blind pipe is followed ventilation gallery is arranged to the upside, just be equipped with the relief pipe on the vertical section of blind pipe, the delivery port of relief pipe is located the basin top.
According to a preferred embodiment, the horizontal section of the blind pipe is prefabricated by permeable concrete and spiral ribs, and the vertical section of the blind pipe is prefabricated by fine stone concrete and spiral ribs.
According to a preferred embodiment, a reinforcing rubber ring is arranged on the outer side of the joint of the horizontal section and the vertical section of the blind pipe.
According to a preferred embodiment, a structural cover plate is arranged on the top side of the supporting structure, and the bottom layer of the structural cover plate is a backfill layer; the top of blind pipe and structure apron parallel and level to with the drainage structures intercommunication of structure apron, just the top of blind pipe is equipped with inwards one-way conduction valve.
According to a preferred embodiment, the ventilation gallery top side is provided with a sealing plate strip.
According to a preferred embodiment, each sealing plate on the sealing plate belt is provided with a supporting bracket arranged on the side wall of the floor slab to complete structural support.
According to a preferred embodiment, a backfill layer is provided between the support structure and the side wall of the floor.
According to a preferred embodiment, the venting gallery is located above the backfill layer.
According to a preferred embodiment, municipal lines are laid in the ventilation gallery.
According to a preferred embodiment, the supporting structure comprises a plurality of supporting piles, and engagement piles are arranged among the supporting piles to finish the waterproof arrangement of the base layer outside the supporting structure.
The foregoing inventive concepts and various further alternatives thereof may be freely combined to form multiple concepts, all of which are contemplated and claimed herein. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The invention has the beneficial effects that:
by arranging the ventilation gallery in the anti-floating underground building structure, pipelines can be arranged in the space, so that the underground space is fully utilized, and the building operation and maintenance cost is saved; the outer wall of the underground building is dried by the ventilation gallery, so that the underground building is in a dry environment, the propagation of bacteria is inhibited, and the utilization rate of the underground building is improved;
the supporting structure in the anti-floating underground building structure is a foundation pit supporting structure in the initial stage of construction, and the temporary foundation pit supporting structure in the traditional construction process is used as a permanent engineering to block outside rock and soil. And a ventilation gallery is reserved between the supporting structure and the underground building to serve as a pipeline channel of overhaul equipment, so that the outer vertical surface of the outer wall of the underground structure is in a dry state, corrosion and erosion of crevice water are reduced, and the inner wall of the building wall is provided with a dry environment. The support pile adopts a rotary digging pile, and the invention adds the occluding pile in the middle of the original support pile, so that the support pile and the occluding pile are connected into a whole to play a role in water stopping.
The anti-floating underground building structure is provided with the blind pipes, so that the building structure body can complete the supplement of underground water at the lower side of the basement bottom plate through the diversion rainwater of the blind pipes, and the underground water balance of the building structure body is maintained. And when the underground water is sufficient or excessive, the surplus water body can be discharged through the pressure release pipe 112, and the balance of the underground water is always maintained, so that the aim of protecting the structural stability of the building structure is fulfilled, and the service life of the building structure is prolonged.
Drawings
FIG. 1 is a schematic illustration of the construction of an anti-floating subterranean construction of the present invention;
FIG. 2 is a schematic structural view of a support structure in an anti-floating subterranean construction structure of the present invention;
the system comprises a basement floor, a floor side wall, supporting piles, a backfill layer, supporting brackets, a sealing plate belt, a structural cover plate, a ventilation gallery, a blind pipe, a pressure relief pipe, a water tank and a snap pile.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It should be noted that, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships in which the inventive product is conventionally placed in use, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1 and 2, the present invention discloses an anti-floating underground building structure, comprising: basement bottom plate 101, bottom plate side wall 102, basement floor 103 and floor side wall 104, wherein, bottom plate side wall 102 is built on basement bottom plate 101, and basement floor 103 is located the topside of bottom plate side wall 102, and floor side wall 104 is built on basement floor 103.
The anti-floating underground building structure of the invention further comprises: a support structure and a blind tube 111.
Preferably, the supporting structure comprises a plurality of supporting piles 105, and the engaging piles 114 are arranged among the supporting piles 105 to finish the waterproof arrangement of the base layer outside the supporting structure.
Preferably, a ventilation gallery 110 is provided between the support structure and the floor side wall 104, and a water guiding tank 113 is provided in the ventilation gallery 110. Municipal lines are laid within the ventilation gallery 110.
Function of ventilation gallery arrangement: pipelines can be arranged in the space, so that the underground space is fully utilized, and the construction operation and maintenance cost is saved; the ventilation gallery enables the outer wall of the underground building to be dry, enables the underground building to be in a dry environment, inhibits bacteria from propagating, and improves the utilization rate of the underground building.
Preferably, the blind pipe 111 includes a horizontal section and a vertical section, the horizontal section of the blind pipe 111 adopts a water permeable pipe body, and the vertical section of the blind pipe 111 adopts a water stop plate body. The outside of the junction of the horizontal section and the vertical section of the blind pipe 111 is provided with a reinforcing rubber ring to enhance the sealing performance and the connection stability of the junction.
Further, the horizontal section of the blind pipe 111 is prefabricated by adopting pervious concrete and spiral ribs, and the vertical section of the blind pipe 111 is prefabricated by adopting fine stone concrete and spiral ribs.
Preferably, the horizontal section of the blind pipe 111 is pre-buried in the lower Fang Yantu of the basement floor 101, and the vertical section of the blind pipe 111 is arranged to the top side along said ventilation gallery 110. And a pressure relief pipe 112 is arranged on the vertical section of the blind pipe 111, and a water outlet of the pressure relief pipe 112 is positioned above the water tank 113.
Specifically, when constructing basement building bottom plate, bury the horizontal segment of blind pipe 111 in the underground rock soil earlier, this blind pipe adopts permeable concrete and spiral muscle prefabrication, can permeate water and keep off sand. The blind pipe is upwards arranged beyond the reserved ventilation gallery at the rear edge of the side wall of the basement, a pressure control valve is additionally arranged after the blind pipe passes through the backfill layer, and when the water head is large, water is automatically discharged for pressure relief, and the blind pipe flows away from the water tank 113.
Preferably, a structural cover plate 109 is arranged on the top side of the supporting structure, and the bottom layer of the structural cover plate 109 is a backfill layer. The top of the blind pipe 111 is flush with the structural cover plate 109 and is communicated with the drainage structure of the structural cover plate 109, and the top of the blind pipe 111 is provided with an inward one-way conduction valve.
Thus, the building structure can complete the replenishment of the groundwater at the lower side of the basement bottom plate 101 by the rainwater guided by the blind pipes 111, maintaining the groundwater balance of the building structure. And when the underground water is sufficient or excessive, the surplus water body can be discharged through the pressure release pipe 112, so that the balance of the underground water is always maintained, the anti-floating function of the building structure body is also realized, the purpose of protecting the structural stability of the building structure is realized, and the service life of the building structure is prolonged.
Preferably, a backfill layer 106 is disposed between the support structure and the floor sidewall 102. The venting gallery 110 is located above the backfill layer 106.
Preferably, the ventilation gallery 110 is provided with a seal plate band 108 on its top side. Each sealing plate on the sealing plate belt 108 is provided with a supporting bracket 107 arranged on the floor side wall 104 to complete structural support. Thereby ensuring that no water seepage occurs within the ventilation gallery 110.
The supporting structure in the anti-floating underground building structure is a foundation pit supporting structure in the initial stage of construction, and the temporary foundation pit supporting structure in the traditional construction process is used as a permanent engineering to block outside rock and soil. And a ventilation gallery is reserved between the supporting structure and the underground building to serve as a pipeline channel of overhaul equipment, so that the outer vertical surface of the outer wall of the underground structure is in a dry state, corrosion and erosion of crevice water are reduced, and the inner wall of the building wall is provided with a dry environment. The support pile adopts a rotary digging pile, and a snap pile is added in the middle of the original support pile, so that the support pile and the snap pile are connected into a whole to play a role in water stopping.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. An anti-floating subterranean construction structure, the anti-floating subterranean construction structure comprising: the basement comprises a basement bottom plate (101), a bottom plate side wall (102), a basement floor (103) and a floor side wall (104), wherein the bottom plate side wall (102) is built on the basement bottom plate (101), the basement floor (103) is positioned on the top side of the bottom plate side wall (102), and the floor side wall (104) is built on the basement floor (103);
the anti-floating underground building structure is characterized by further comprising: a support structure and a blind pipe (111),
a ventilation gallery (110) is arranged between the supporting structure and the floor side wall (104), and a water guide trough (113) is arranged in the ventilation gallery (110);
the blind pipe (111) comprises a horizontal section and a vertical section, the horizontal section of the blind pipe (111) adopts a water permeable pipe body, and the vertical section of the blind pipe (111) adopts a water stop plate body;
the horizontal section of the blind pipe (111) is pre-buried in the lower Fang Yantu of the basement bottom plate (101), the vertical section of the blind pipe (111) is arranged towards the top side along the ventilation gallery (110), a pressure release pipe (112) is arranged on the vertical section of the blind pipe (111), and a water outlet of the pressure release pipe (112) is positioned above the water tank (113);
prefabricating horizontal sections of the blind pipes (111) by adopting permeable concrete and spiral ribs, and prefabricating vertical sections of the blind pipes (111) by adopting fine stone concrete and spiral ribs;
a reinforcing rubber ring is arranged on the outer side of the joint of the horizontal section and the vertical section of the blind pipe (111);
a structural cover plate (109) is arranged on the top side of the supporting structure, and the bottom layer of the structural cover plate (109) is a backfill layer;
the top of blind pipe (111) and structure apron (109) parallel and level to with the drainage structure intercommunication of structure apron (109), just the top of blind pipe (111) is equipped with inwards one-way conduction valve.
2. The anti-floating subterranean construction according to claim 1, wherein the ventilation gallery (110) is provided on its top side with a sealing plate strip (108).
3. An anti-floating underground building structure according to claim 2, wherein each sealing plate on the sealing plate belt (108) is provided with a supporting bracket (107) arranged on the side wall (104) of the floor slab to complete structural support.
4. The anti-floating underground building structure according to claim 1, wherein a backfill layer (106) is provided between the support structure and the floor side wall (102).
5. The anti-floating subterranean construction structure according to claim 4, wherein the ventilation gallery (110) is located above the backfill layer (106).
6. The anti-floating subterranean construction according to claim 1, wherein a municipal pipeline is laid within the ventilation gallery (110).
7. The anti-floating underground building structure according to claim 1, wherein the supporting structure comprises a plurality of supporting piles (105), and snap piles (114) are arranged among the supporting piles (105) to finish the waterproof arrangement of the base layer outside the supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210872764.4A CN115217146B (en) | 2022-07-21 | 2022-07-21 | Anti-floating underground building structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210872764.4A CN115217146B (en) | 2022-07-21 | 2022-07-21 | Anti-floating underground building structure |
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| CN115217146A CN115217146A (en) | 2022-10-21 |
| CN115217146B true CN115217146B (en) | 2023-08-01 |
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| CN213086883U (en) * | 2020-08-18 | 2021-04-30 | 浙江绿城建筑设计有限公司 | Buoyancy control structure of underground building |
| CN214657275U (en) * | 2020-09-29 | 2021-11-09 | 中国建筑第八工程局有限公司 | Self-flowing drainage pressure-limiting anti-floating structure |
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| JP2009108547A (en) * | 2007-10-29 | 2009-05-21 | National Agriculture & Food Research Organization | Backflow preventing and draining structure of water supply construction |
| CN102926409A (en) * | 2011-08-09 | 2013-02-13 | 上海建工五建集团有限公司 | Construction method for preventing water and soil loss |
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| CN115217146A (en) | 2022-10-21 |
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