CN110359483B - Sealed soil retaining device and system for environment-friendly impervious wall - Google Patents
Sealed soil retaining device and system for environment-friendly impervious wall Download PDFInfo
- Publication number
- CN110359483B CN110359483B CN201910776546.9A CN201910776546A CN110359483B CN 110359483 B CN110359483 B CN 110359483B CN 201910776546 A CN201910776546 A CN 201910776546A CN 110359483 B CN110359483 B CN 110359483B
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- Prior art keywords
- box body
- body frame
- ejection
- plate structure
- environmental protection
- Prior art date
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- 239000002689 soil Substances 0.000 title claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000007613 environmental effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009957 hemming Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- E02D29/02—Retaining or protecting walls
-
- 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
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0266—Retaining or protecting walls characterised by constructional features made up of preformed elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Retaining Walls (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a sealing soil retaining device and a sealing soil retaining system for an environment-friendly impervious wall, wherein the sealing soil retaining device comprises a box body frame, connecting lugs, connecting grooves, an ejector device and a top plate structure, wherein one end of the box body frame is fixedly connected with the connecting lugs, the other end of the box body frame is provided with the connecting grooves matched with the connecting lugs, a plurality of ejector devices are arranged in the box body frame, and the top plate structure is fixedly arranged outside the extension of the ejector devices; the sealing soil retaining system comprises at least two groups of soil retaining devices, wherein the two groups of soil retaining devices are oppositely arranged and are placed in the foundation pit, and a geomembrane is arranged between the two groups of soil retaining devices. The sealing soil blocking device and the sealing soil blocking system for the environment-friendly impervious wall are high in automation degree, can form a protective barrier through infinite connection of the soil blocking device, achieve good sealing, and meanwhile achieve active soil blocking and prevent pit collapse.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to a sealing soil blocking device and a sealing soil blocking system for an environmental protection impervious wall.
Background
Demands for living environments are increasing with rapid development of economy, industrialization and acceleration of urban processes, but the amount of urban solid waste generated is also increasing sharply.
On one hand, the land area of China is wide, but the population is numerous, and thus the land resources are very intense; on the other hand, limited land resources are still more scarce due to the aggravation of pollution.
But at present contamination leakage has occurred due to long-term storage of solid waste. Still other projects require barriers to horizontal migration of subterranean liquids, including fresh water, brine, and the like. The existing seepage-proofing structure is a passive plugging structure, active plugging and soil blocking cannot be realized, and various defects exist.
Disclosure of Invention
The invention aims to: the invention aims to solve the defects in the prior art, and provides a sealing soil blocking device and a sealing soil blocking system for an environment-friendly impervious wall.
The technical scheme is as follows: the invention discloses a sealing soil blocking device for an environment-friendly impervious wall, which comprises a box frame, connecting lugs, connecting grooves, an ejector device and a top plate structure, wherein one end of the box frame is fixedly connected with the connecting lugs, the other end of the box frame is provided with the connecting grooves matched with the connecting lugs, a plurality of ejector devices are arranged in the box frame, and the top plate structure is fixedly arranged outside the extending part of the ejector devices.
Further, the box frame is of a square structure.
Further, the end part of the connecting lug is of an inverted cone structure, and the cone angle is 60-80 degrees.
Furthermore, a bolt hole is formed in the connecting lug in a penetrating manner, and the connecting lug and the connecting groove are fixedly connected through a mounting bolt in the bolt hole.
Further, one side of the ejection device is fixed on the inner wall of the box body frame, and a telescopic rod at the other side of the ejection device penetrates through the through hole to extend to the outer side of the box body frame and is fixedly connected with the top plate structure.
Furthermore, the ejection device adopts one or a combination of a hydraulic cylinder ejection structure, a cylinder ejection structure or a mechanical tooth transmission ejection mechanism.
Further, the ejection device comprises at least one; and when a plurality of the frames are adopted, the frames are uniformly distributed along the length direction of the box body frame.
Further, the top plate structure comprises a flat plate structure and a folding structure, the flat plate structure is connected with the telescopic rod, and the folding structure is respectively arranged on two sides of the flat plate structure.
The invention also discloses a sealing soil blocking system for the environment-friendly impervious wall, which comprises at least two groups of soil blocking devices, wherein the two groups of soil blocking devices are oppositely arranged and are placed in a foundation pit, and a geomembrane is arranged between the two groups of soil blocking devices.
Furthermore, the two groups of the soil retaining devices are infinitely connected in an extending mode along the depth direction and the width direction of the foundation pit.
The beneficial effects are that: the sealing soil blocking device and the sealing soil blocking system for the environment-friendly impervious wall are high in automation degree, can form a protective barrier through infinite connection of the soil blocking device, prevent the isolated liquid from diffusing, and realize good sealing; meanwhile, active soil blocking is realized, and pit collapse is prevented.
Drawings
Fig. 1 is a front view showing the construction of the soil guard device of the present invention;
FIG. 2 is a schematic view of a through hole structure of the soil guard device of the present invention;
FIG. 3 is a schematic view showing the mounting structure of the ejector device in the soil guard device of the present invention;
fig. 4 is a schematic view of a seal retaining system according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to specific embodiments.
The utility model provides a sealed soil blocking device for environmental protection diaphragm wall as shown in fig. 1 through 3, includes box frame 1, connection lug 2, connection recess 3, ejecting device 5 and roof structure, the one end fixedly connected with of box frame 1 connects lug 2, the other end of box frame 1 be equipped with connection lug 2 looks adaptation's connection recess 3, be equipped with a plurality of ejecting devices 5 in the box frame 1, the outside that ejecting device 5 extends is fixed and is equipped with roof structure.
In this embodiment, preferably, the box frame 1 has a square structure, preferably a rectangular frame structure, and the frame body is made of steel plates, and forms an enclosed sealing structure. The length range of the box body frame 1 can reach 5000-10000mm, the width range is 500-1000mm, and the specific dimension specification is determined according to the depth and the width of the construction foundation pit.
In this embodiment, preferably, the end of the connecting bump 2 has an inverted cone structure, and the cone angle is 60-80 °. Further preferably, in order to facilitate faster and more efficient insertion of the bottommost tank frame into the soil, the end taper angle of the bottommost tank frame is therefore smaller, typically around 60 °, and thus sharper, for ease of insertion into the soil. The taper angle of the remaining box frames except the bottommost box frame may be appropriately larger than 60 degrees.
In this embodiment, preferably, the size and shape of the connection protrusion 2 and the connection groove 3 are adapted, more precisely, the size and shape of the connection protrusion at the bottom of the upper section box frame is adapted to the size and shape of the connection groove at the top of the lower section box frame, so that a tight and firm connection is facilitated.
The connecting lug 2 is internally penetrated with a bolt hole 4, and the connecting lug 2 is fixedly connected with the connecting groove 3 through a mounting bolt in the bolt hole 4, so that the connection between the multiple-section box body frames is realized, and a longitudinal sealing barrier is formed.
In this embodiment, preferably, one side of the ejector 5 is fixed on the inner wall of the box frame 1, and the telescopic rod on the other side of the ejector 5 extends to the outer side of the box frame 1 through the through hole 8 and is fixedly connected with the top plate structure. The ejector device 5 has the functions of realizing the telescopic adjustment of the top plate structure on one hand, finally realizing the compaction of the geomembrane, and on the other hand, the ejector device 5 has a thrust in one direction by the ejection force of the ejector device, and the reverse thrust is pushed on the inner wall of the box frame 1, so that the thrust of the foundation pit wall closely approaching to the box frame 1 is finally realized, the soil retaining function is realized, and the collapse is prevented.
In this embodiment, preferably, the ejection device preferably uses one or more combinations of a hydraulic cylinder ejection structure, a cylinder ejection structure, or a mechanical tooth transmission ejection mechanism, where the hydraulic cylinder ejection structure, the cylinder ejection structure, or the mechanical tooth transmission ejection mechanism in this embodiment are all mature ejection structures in the prior art, and preferably uses a hydraulic cylinder structure. Meanwhile, in order not to damage the geomembrane, the power limit value of the ejection device is 1000KN/m 2.
In this embodiment, the ejector 5 preferably includes at least one, or may include a plurality of ejectors, and the ejectors are uniformly distributed along the length direction of the box frame 1 (i.e., the depth direction of the foundation pit). By adopting a plurality of ejection devices for distribution layout, uniform pressure application on the geomembrane is realized, and the integrity of the geomembrane is protected. Meanwhile, a plurality of ejection devices are adopted for distribution layout, so that uniform thrust to the foundation pit wall is realized, and collapse is further prevented.
In this embodiment, preferably, the top plate structure includes a flat plate structure 6 and a hemming structure 7, the flat plate structure 6 is connected with a telescopic rod, and both sides of the flat plate structure 6 are respectively provided with the hemming structure 7. In this embodiment, the size of the flat plate structure 6 is substantially matched with the square cross-section structure size of the box frame 1, and may be slightly larger than the square cross-section structure size of the box frame 1. The length of the flanging structure 7 is slightly longer than the ejection travel distance of the ejection device 5, so that the isolated liquid is prevented from entering the box body.
Further, in order to effectively prevent from being isolated liquid from entering into the inside of the box, an elastic plastic plate is further arranged between the end part of the flanging structure 7 and the side part of the box frame 1, and the elastic plastic plate adopts a structure similar to a corrugated plate, so that the travel requirement can be met and sealing isolation can be effectively carried out.
Fig. 4 is a schematic top view of a seal retaining system according to one embodiment of the present invention. The sealed soil blocking system utilizes the sealed soil blocking device to form a sealed system structure.
As shown in FIG. 4, a sealing earth-retaining system for an environment-friendly impervious wall comprises two groups of earth-retaining devices, wherein the two groups of earth-retaining devices are oppositely arranged and are all placed in a foundation pit 9 and are attached to the foundation pit wall, and a geomembrane 10 is arranged between the two groups of earth-retaining devices.
In this embodiment, preferably, the soil retaining device is not limited to two groups, and may also adopt multiple groups, when adopting multiple groups, the infinite connection can be performed in the depth direction by adopting the bolt mode as described above, and a system is formed by adopting a structure form that multiple groups of box frames are close to each other according to the width of the foundation pit in the width direction.
In this embodiment, the geomembrane 10 is preferably an HDPE geomembrane.
The concrete construction flow of the sealing soil blocking system of the environment-friendly impervious wall is as follows:
(1) Determining the depth and the width of the foundation pit;
(2) Selecting the number and the specification of box frames 1 which are suitable for the specification according to the depth and the width of the foundation pit;
(3) Proper layout is carried out according to the number and the specification of the selected box frames 1;
(4) Placing geomembranes between the two groups of box frames 1 after layout is completed;
(5) The top device in each box frame 1 is activated to press the geomembrane.
The sealing soil blocking device and the sealing soil blocking system for the environment-friendly impervious wall are high in automation degree, can form a protective barrier through infinite connection of the soil blocking device, prevent the isolated liquid from diffusing, and realize good sealing; meanwhile, active soil blocking is realized, and pit collapse is prevented.
The present invention is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalents and modifications can be made to the above-mentioned embodiments without departing from the scope of the invention.
Claims (8)
1. A sealed soil blocking device for environmental protection diaphragm wall, its characterized in that: the novel lifting device comprises a box body frame (1), connecting convex blocks (2), connecting grooves (3), ejection devices (5) and a top plate structure, wherein one end of the box body frame (1) is fixedly connected with the connecting convex blocks (2), the other end of the box body frame (1) is provided with the connecting grooves (3) which are matched with the connecting convex blocks (2), a plurality of ejection devices (5) are arranged in the box body frame (1), and the top plate structure is fixedly arranged outside the extending part of each ejection device (5);
A bolt hole (4) is formed in the connecting lug (2) in a penetrating manner, and the connecting lug (2) is fixedly connected with the connecting groove (3) through a mounting bolt in the bolt hole (4);
one side of the ejection device (5) is fixed on the inner wall of the box body frame (1), and a telescopic rod at the other side of the ejection device (5) penetrates through the through hole (8) to extend to the outer side of the box body frame (1) and is fixedly connected with the top plate structure.
2. A seal retaining device for an environmental protection wall as defined in claim 1 wherein: the box body frame (1) is of a square structure.
3. A seal retaining device for an environmental protection wall as defined in claim 1 wherein: the end part of the connecting lug (2) is of an inverted cone structure, and the cone angle is 60-80 degrees.
4. A seal retaining device for an environmental protection wall as defined in claim 1 wherein: the ejection device (5) adopts one or a combination of a hydraulic cylinder ejection structure, a cylinder ejection structure or a mechanical tooth transmission ejection mechanism.
5. A seal retaining device for an environmental protection wall as defined in claim 1 or 4 wherein: the ejection device (5) comprises at least one; when a plurality of the frames are adopted, the frames are uniformly distributed along the length direction of the box body frame (1).
6. A seal retaining device for an environmental protection wall as defined in claim 1 wherein: the top plate structure comprises a flat plate structure (6) and a flanging structure (7), wherein the flat plate structure (6) is connected with a telescopic rod, and the flanging structure (7) is respectively arranged on two sides of the flat plate structure (6).
7. A sealed soil retaining system for an environmental protection diaphragm wall, characterized by: comprising at least two groups of sealing soil retaining devices according to any one of claims 1-6, wherein the two groups of sealing soil retaining devices are oppositely arranged and are placed in a foundation pit (9), and a geomembrane (10) is arranged between the two groups of sealing soil retaining devices.
8. A seal retaining system for an environmental protection wall as defined in claim 7 wherein: the two groups of the soil retaining devices are infinitely connected in an extending mode along the depth direction and the width direction of the foundation pit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776546.9A CN110359483B (en) | 2019-08-22 | 2019-08-22 | Sealed soil retaining device and system for environment-friendly impervious wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776546.9A CN110359483B (en) | 2019-08-22 | 2019-08-22 | Sealed soil retaining device and system for environment-friendly impervious wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110359483A CN110359483A (en) | 2019-10-22 |
| CN110359483B true CN110359483B (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910776546.9A Active CN110359483B (en) | 2019-08-22 | 2019-08-22 | Sealed soil retaining device and system for environment-friendly impervious wall |
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