CN211571685U - Concrete pouring processing device for collapse position of wall of diaphragm wall - Google Patents
Concrete pouring processing device for collapse position of wall of diaphragm wall Download PDFInfo
- Publication number
- CN211571685U CN211571685U CN201922233639.5U CN201922233639U CN211571685U CN 211571685 U CN211571685 U CN 211571685U CN 201922233639 U CN201922233639 U CN 201922233639U CN 211571685 U CN211571685 U CN 211571685U
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- Prior art keywords
- wall
- plate body
- isolation plate
- collapse
- reinforcement cage
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000002787 reinforcement Effects 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 29
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 18
- 241001330002 Bambuseae Species 0.000 claims description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 18
- 239000011425 bamboo Substances 0.000 claims description 18
- 239000011120 plywood Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 18
- 238000009412 basement excavation Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a concrete pouring processing device for the collapse position of the wall of a diaphragm wall, which relates to the technical field of underground diaphragm wall construction, and the technical scheme comprises a reinforcement cage structure, wherein the reinforcement cage structure comprises two layers of reinforcement sheet units and H-shaped steel positioned at two side ends, and also comprises a separation plate body which can cover a collapse area and a plurality of supports which are arranged at intervals and are used for supporting the separation plate body to form a concrete protection layer together with a reinforcement sheet; the isolation plate body is located at the groove wall close to the side of the foundation pit, and the isolation plate body and the support are fixed on the main reinforcement of the reinforcement cage. After the steel reinforcement cage is transferred, the division board body will collapse the district and cover, in the cavity that the concrete that has prevented to pour pours into and collapses, when treating the foundation ditch excavation, the division board body is demolishd in step to guaranteed the level and smooth of the foundation ditch inner wall that the diaphragm wall formed, prevented the appearance of protrusion concrete structure, avoided the influence to follow-up construction.
Description
Technical Field
The utility model relates to an underground continuous wall construction technical field, in particular to concrete placement processing apparatus that diaphragm wall cell wall collapses.
Background
At present, in underground engineering construction, a diaphragm wall is widely used as a foundation pit supporting measure, and structural construction is carried out after earth inside the diaphragm wall is excavated (see fig. 1). During the construction of the underground diaphragm wall, due to various geological conditions, grooving process level, an underground diaphragm wall supporting form and the like, a groove wall collapse phenomenon (as shown in figure 2) often occurs, and particularly in the construction of a T-shaped underground diaphragm wall (as shown in figure 3), an L-shaped underground diaphragm wall (as shown in figure 4) and a cross-shaped underground diaphragm wall (as shown in figure 5), the groove wall collapse is easily caused due to the local reasons of soil pressure and stress, so that after the concrete of the underground diaphragm wall is poured, the subsequent structural construction is influenced by the concrete protruding from the exposed surface of the excavation of a foundation pit, the chiseling is difficult, the construction period is delayed and the like.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model aims at providing a ground is wall cell wall concrete placement processing apparatus that collapses, its advantage is that ground after can preventing to pour is wall even and is formed convex concrete structure, prevents to influence the construction of follow-up structure.
The above object of the present invention can be achieved by the following technical solutions: the steel reinforcement cage structure comprises two layers of steel reinforcement sheet units, H-shaped steel positioned at two side ends, an isolation plate body capable of covering a collapse area and a plurality of supports which are arranged at intervals and used for supporting the isolation plate body to form a concrete protection layer together with a steel reinforcement net sheet; the isolation plate body is located at the groove wall close to the side of the foundation pit, and the isolation plate body and the support are fixed on the main reinforcement of the reinforcement cage.
Through the technical scheme, after the reinforcement cage is placed downwards, the collapse area is covered by the isolation plate body, so that poured concrete is prevented from being poured into the collapsed cavity, and when a foundation pit is excavated, the isolation plate body is synchronously removed, so that the flatness of the inner wall of the foundation pit formed by the underground diaphragm wall is ensured, a protruding concrete structure is prevented, and the influence on subsequent construction is avoided; the setting of support has guaranteed the protective layer thickness of mixing ground even wall reinforcing bar, causes the reinforcing bar to leak outward after avoiding the foundation ditch excavation, influences the structural strength of ground even wall.
The utility model discloses further set up to: the support is the steel sheet of a few font, two otic placodes of a few font steel sheet with main muscle welding, mainboard and division board laminating.
Through above-mentioned technical scheme, the simple workable of nearly font plate structure, the mainboard can provide great holding surface, forms firm structure after otic placode and the main muscle welding, has effectively guaranteed the thickness of protective layer.
The utility model discloses further set up to: the isolation plate body is bound and fixed on the main reinforcement of the reinforcement cage by an iron wire.
Through the technical scheme, the temporary fixing of the isolation plate body and the reinforcement cage is realized, and the isolation plate body is convenient to remove during foundation pit excavation.
The utility model discloses further set up to: the surface of division plate body is provided with many fixed steel bars, and the iron wire passes the division plate body and is connected the back with fixed steel bar and main muscle, and fixed steel bar compresses tightly the division plate body on the support.
Through above-mentioned technical scheme, the fixed steel bar makes the division board body more firm with being connected of steel reinforcement cage, effectively prevents the deformation of division board in the work progress moreover.
The utility model discloses further set up to: the isolation plate body is a bamboo plywood.
Through the technical scheme, the bamboo plywood is low in cost, high in strength and economical.
The utility model discloses further set up to: the coverage area of the isolation plate body exceeds the edge of the collapse area by not less than 1 m.
Through above-mentioned technical scheme, seal the collapse area completely, prevent that the concrete from getting into the collapse area from the edge of division board.
The utility model discloses further set up to: the plurality of brackets are arranged in a plum blossom shape.
Through the technical scheme, the stress of the isolation plate body is more uniform.
The utility model discloses further set up to: and the collapse part of the groove wall far away from the foundation pit is also provided with an isolation plate body and a support.
Through above-mentioned technical scheme, prevent that the concrete from getting into the collapse area of keeping away from the foundation ditch side, cause the waste of concrete.
To sum up, the utility model discloses following beneficial effect has:
1. the bamboo plywood covers the collapse area, prevents poured concrete from being poured into the collapsed cavity, and saves the concrete.
2. When the foundation pit is excavated, the bamboo plywood is removed synchronously, so that the flatness of the inner wall of the foundation pit formed by the diaphragm wall is ensured, the occurrence of a protruding concrete structure is prevented, and the influence on subsequent construction is avoided;
3. the setting of support has guaranteed the protective layer thickness of mixing ground even wall reinforcing bar, causes the reinforcing bar to leak outward after avoiding the foundation ditch excavation, influences the structural strength of ground even wall. The bamboo plywood is firmer due to the arrangement of the reinforcing steel bars, and deformation failure in the construction process is avoided.
Drawings
FIG. 1 is a schematic diagram of a construction structure in a foundation pit after the construction is completed;
FIG. 2 is a schematic view of the wall collapse of the diaphragm wall;
FIG. 3 is a schematic view of the collapse of the groove wall at the corner of the T-shaped diaphragm wall;
FIG. 4 is a schematic view of the collapse of the wall of the corner of the L-shaped diaphragm wall;
FIG. 5 is a schematic view of the collapse of the wall of the corner of the cruciform diaphragm wall;
FIG. 6 is a schematic structural view of the present invention;
FIG. 7 is a schematic view showing the structure of a steel plate bracket in a shape of Chinese character 'ji';
fig. 8 is a top view of the present invention in a slot of a diaphragm wall.
Reference numerals: 1. a reinforcing steel bar sheet unit; 2. h-shaped steel; 3. an isolation plate body; 4. a support; 41. an ear plate; 42. a main board; 5. fixing the steel bars; 6. and (4) iron wires.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a ground is wall cell wall concrete placement processing apparatus that collapses, combines fig. 6 and fig. 8 to show, including the steel reinforcement cage structure of ground connecting wall, the steel reinforcement cage structure includes two-layer reinforcing bar piece unit 1 and the H shaped steel 2 that is located both sides end, still include with can cover the division plate body 3 in the district that collapses and a plurality of interval sets up be used for supporting division plate body 3 and make its and reinforcing bar net piece between form the support 4 of concrete protection layer. The plurality of brackets 4 are arranged in a quincuncial shape with a distance of 1-1.5m, and the brackets 4 are n-shaped steel plates with a thickness of 4mm (refer to fig. 7). Two ear plates 41 of the U-shaped steel plate are welded with the main reinforcement of the reinforcement cage. The division board is the bamboo offset plate of 12mm thick that the polylith is spliced each other, laminates at the surface of the mainboard 42 of the nearly font steel sheet. The coverage range of the isolation plate exceeds the edge of the collapse area by not less than 1 m. The surface of bamboo plywood is provided with many fixed steel bar 5 of diameter 12mm side by side, and 8 # iron wires 6 pass the bamboo plywood and are connected the back with fixed steel bar 5 and main muscle, and fixed steel bar 5 compresses tightly the bamboo plywood on support 4. The fixing points of the No. 8 iron wire 6 can also be arranged in a quincunx shape, and the distance between the fixing points is 1-1.5 m.
The whole construction process is as follows:
step 1, after the underground diaphragm wall is grooved, a groove wall detector is used for detecting the collapse position, the collapse area and the shape of the groove wall of the excavation surface;
and 4, completing concrete pouring of the diaphragm wall, and removing the bamboo plywood along with the earthwork excavation in the foundation pit.
Likewise, the division plate 3 and the support 4 are also arranged at the collapse point of the groove wall far away from the foundation pit.
Through above-mentioned technical scheme, the steel reinforcement cage is transferred the back, and the bamboo plywood will be collapsed the district and cover, has prevented that the concrete of pouring from pouring into in the cavity that collapses, has practiced thrift the concrete. When the foundation pit is excavated, the bamboo plywood is removed synchronously, so that the flatness of the inner wall of the foundation pit formed by the diaphragm wall is ensured, the occurrence of a protruding concrete structure is prevented, and the influence on subsequent construction is avoided; the setting of support 4 has guaranteed the protective layer thickness of thoughtlessly linking the wall reinforcing bar with earth, causes the reinforcing bar to leak outward after avoiding the foundation ditch excavation, influences the structural strength that links the wall with earth. The bamboo plywood is firmer due to the arrangement of the reinforcing steel bars, and deformation failure in the construction process is avoided.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a ground is wall cell wall concrete placement processing apparatus that collapses, includes the steel reinforcement cage structure of ground connecting wall, and the steel reinforcement cage structure includes two-layer reinforcing bar piece unit (1) and H shaped steel (2) that are located both sides end, characterized by: the concrete protection structure also comprises an isolation plate body (3) capable of covering the collapse area and a plurality of supports (4) which are arranged at intervals and used for supporting the isolation plate body (3) to form a concrete protection layer together with the reinforcing mesh; the isolation plate body (3) is located at the groove wall close to the side of the foundation pit, and the isolation plate body (3) and the support (4) are fixed on a main rib of the reinforcement cage.
2. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 1, which is characterized in that: the support (4) is a steel plate shaped like a Chinese character 'ji', two ear plates (41) of the steel plate shaped like a Chinese character 'ji' are welded with the main rib, and the main plate (42) is attached to the isolation plate.
3. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 2, wherein: the isolation plate body (3) is bound and fixed on the main reinforcement of the reinforcement cage by an iron wire (6).
4. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 3, wherein: the surface of the isolation plate body (3) is provided with a plurality of fixed steel bars (5), an iron wire (6) penetrates through the isolation plate body (3) to connect the fixed steel bars (5) with the main bars, and the fixed steel bars (5) compress the isolation plate body (3) on the support (4).
5. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 4, wherein: the isolation plate body (3) is a bamboo plywood.
6. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 1, which is characterized in that: the coverage range of the isolation plate body (3) exceeds the edge of the collapse area by not less than 1 m.
7. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 1, which is characterized in that: the plurality of brackets (4) are arranged in a plum blossom shape.
8. The device for treating concrete pouring at the collapse position of the wall of the diaphragm wall as claimed in claim 1, which is characterized in that: and the collapse part of the groove wall far away from the foundation pit is also provided with an isolation plate body (3) and a bracket (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922233639.5U CN211571685U (en) | 2019-12-12 | 2019-12-12 | Concrete pouring processing device for collapse position of wall of diaphragm wall |
Applications Claiming Priority (1)
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CN201922233639.5U CN211571685U (en) | 2019-12-12 | 2019-12-12 | Concrete pouring processing device for collapse position of wall of diaphragm wall |
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CN211571685U true CN211571685U (en) | 2020-09-25 |
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CN201922233639.5U Expired - Fee Related CN211571685U (en) | 2019-12-12 | 2019-12-12 | Concrete pouring processing device for collapse position of wall of diaphragm wall |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113565149A (en) * | 2021-07-07 | 2021-10-29 | 深圳市中地建设工程有限公司 | Leaking stoppage construction method by external bar planting method between piles |
CN115369856A (en) * | 2022-08-29 | 2022-11-22 | 中铁二十局集团南方工程有限公司 | Super irrigation prevention device for underground continuous wall grooving construction |
-
2019
- 2019-12-12 CN CN201922233639.5U patent/CN211571685U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113565149A (en) * | 2021-07-07 | 2021-10-29 | 深圳市中地建设工程有限公司 | Leaking stoppage construction method by external bar planting method between piles |
CN115369856A (en) * | 2022-08-29 | 2022-11-22 | 中铁二十局集团南方工程有限公司 | Super irrigation prevention device for underground continuous wall grooving construction |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |