CN104790380A - Underground diaphragm wall framework - Google Patents
Underground diaphragm wall framework Download PDFInfo
- Publication number
- CN104790380A CN104790380A CN201510173983.3A CN201510173983A CN104790380A CN 104790380 A CN104790380 A CN 104790380A CN 201510173983 A CN201510173983 A CN 201510173983A CN 104790380 A CN104790380 A CN 104790380A
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- China
- Prior art keywords
- joint
- reinforcing cage
- diaphragm wall
- gathering sill
- spacer assembly
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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
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
Abstract
The invention discloses an underground diaphragm wall framework. The underground diaphragm wall framework is characterized in that the underground diaphragm wall framework comprises connectors and steel reinforcement cages, wherein the connectors are arranged at one end or the two ends of each steel reinforcement cage; the underground diaphragm wall framework further comprises isolating devices, and the two ends of each isolating device are connected to the ends of the steel reinforcement cages or the connectors respectively; the isolating devices seal at least one side of each steel reinforcement cage and are used for stopping the concrete filled in corresponding steel reinforcement cage to perform detour flow from the side to the other steel reinforcement cages or the concrete poured in the adjacent steel reinforcement cage to perform the detour flow to the section of steel reinforcement cage. The underground diaphragm wall framework is arranged outside the steel reinforcement cages in an isolated mode, the detour flow when the concrete is poured in the section of steel reinforcement cage can be effectively prevented, the concrete poured in the section is prevented from performing the detour flow to another adjacent section of steel reinforcement cage, the concrete respectively poured in the adjacent steel reinforcement cages can not make contact, a seam can not be generated, and therefore the water leakage problem is solved.
Description
Technical field
The present invention relates to diaphragm wall skeleton.
Background technology
Diaphragm wall is Foundation Design.During construction, adopt a kind of trench machine on the ground, along the periphery axis of deep excavation project, under mud off condition, excavate out a long and narrow deep trouth.After clear groove, install reinforcing cage in groove, then builds up a unit groove section with tremie method underwater concreting with tremie method.So carry out piecemeal, build up one continuous print steel concrete wall in underground, as intercepting water, antiseepage, load-bearing, water-retaining structure.Diaphragm wall is applicable to pumping plant, pond; Building foundation pit; Oil cellar and warehouse; Municipal administration pipe trench and culvert; The vertical shaft of the engineerings such as shield structure; Various deep foundation and pile foundation; Harbour, shore protection and dry dock; The impervious wall of water conservancy and hydropower, surface mine and tailing dam (pond) and environment-friendly engineering; Underground structure (such as underground railway, road tunnel, underground parking and underground street, shop and underground substation etc.) etc.
Diaphragm wall is owing to arranging and below ground, and the degree of depth reaches tens meters, and even more than 100 meters, subterranean wall is darker, also more affects by ground water seepage.Because diaphragm wall is constructed piecemeal, adjacent two section concrete junctions easily form seam, cause leaking.Solve seepy question, a kind of way is wherein the joint adopting special construction.But in most of occasion, even if joint design is good again, still thoroughly seepy question cannot be solved.Trace it to its cause, transfer joint for convenience, leave certain gap between joint and cell wall, when transferring reinforcing cage after-pouring, the concrete of fluid form can be walked around joint and flow to another section of adjacent reinforcing cage place.When building next section again, the concrete of newly building cannot form one with the concrete to stream before, and both can cause forming seam difference in setting time, and seam becomes the main cause that diaphragm wall leaks.
Summary of the invention
An object of the present invention is to overcome the deficiencies in the prior art, provides a kind of diaphragm wall skeleton reducing risk of leaking.
Diaphragm wall skeleton, is characterized in that, comprising:
Joint and reinforcing cage; Described reinforcing cage one or both ends are provided with joint;
Also comprise spacer assembly, described spacer assembly two ends are connected on reinforcing cage end or joint; Described spacer assembly will
Described reinforcing cage at least one side closed, for stopping that the concrete be filled in this reinforcing cage streams to other steel from this side
The concrete that muscle cage place or adjacent reinforcing cage place build streams to this section of reinforcing cage place.
Preferably, described spacer assembly is flexible sheet material; Described flexible sheet material two ends are connected on the end of described reinforcing cage or joint or described flexible sheet material is arranged on described reinforcing cage.
Preferably, described spacer assembly is geotextiles, Polypropylence Sheet or woven cloth.
Preferably, described joint or reinforcing cage end are provided with guiding device, and described guiding device is provided with gathering sill; Described gathering sill extends along described groove depth direction, and described gathering sill is provided with opening; Described spacer assembly is flexible sheet material, and described flexible sheet material two ends are arranged in the gathering sill of described guiding device respectively, and described flexible sheet material stretches out outside described gathering sill from described opening.
Preferably, described joint comprises plate body, and described guiding device is arranged on described plate body, protrudes from described plate body.
Preferably, described joint is I-shape construction, and described joint comprises plate body and wing plate; Described guiding device is arranged on described wing plate, protrudes from described wing plate.
Preferably, described flexible sheet material end is provided with guide pillar; Described guide pillar is inserted in described gathering sill.
Preferably, described guide pillar can be arranged in described gathering sill along described gathering sill depth direction plug, and described guide pillar is restricted in described gathering sill.
Preferably, described gathering sill is provided with opening; Described guide pillar size is greater than the size of described gathering sill, and is less than the size of described opening.
Preferably, described spacer assembly is arranged at meeting pitted surface, meeting native face or be arranged on simultaneously and meet pitted surface and meet native face of described underground reinforced cage.
Preferably, described joint is provided with seal plate, and described seal plate end is connected with described joint, and extends towards the length direction of reinforcing cage.
Preferably, described reinforcing cage is multistage, and described joint number is multiple; Every section of reinforcing cage two ends are respectively arranged with joint, are provided with one section of reinforcing cage between every two joints.
Preferably, described spacer assembly is steel sheet, sheet iron plate or nonmetal thin plate.
Diaphragm wall skeleton in the present invention, isolation is adopted to be arranged on outside reinforcing cage, can effectively prevent from producing when this section of reinforcing cage concreting streaming, the concrete preventing this section from building streams to another section of adjacent reinforcing cage place, also the concrete would not poured into a mould respectively at adjacent reinforcing cage can not contact, also would not produce seam, thus solve seepy question.
Accompanying drawing explanation
Fig. 1 is that joint and reinforcing cage are transferred to the structural representation in groove, not shown geotextiles.
Fig. 2 is the part A enlarged drawing in Fig. 1.
Fig. 3 is that joint and reinforcing cage are transferred to the structural representation in groove.
Fig. 4 is the part B enlarged drawing in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
The present invention is arranged in conjunction with diaphragm wall skeleton that to arrange in groove 10 around foundation ditch be example explanation.As shown in Figure 1 and Figure 2, diaphragm wall skeleton, comprises joint 20 and reinforcing bar 30.Reinforcing cage 30 one or both ends are provided with joint 20, determine depending on the shape of diaphragm wall and the position of reinforcing cage 30.If diaphragm wall is ring seal structure, joint 20 is all set at reinforcing cage 30 two ends, between every two joints 20, is provided with reinforcing cage 30.If diaphragm wall is nonocclusive structure, then the reinforcing cage 30 along diaphragm wall length direction two only arranges joint in one end.Joint 20 leaks in junction after fill concrete for preventing adjacent two sections of reinforcing cages 30.Joint 20 comprises at least one plate body 21.Joint 20 is also provided with a groove 22 or two grooves 22; Plate body 21 is the bottom land of one or two groove 22.In preferred exemplary as shown in the figure, joint 20 is provided with two grooves 22.Two opposing settings of groove 22, respectively towards two contrary directions.The joint 20 arranging two grooves 22 is I-shape construction, preferably adopts i iron.Each reinforcing cage 30 is between two joints 20.The joint 20 of I-steel comprises plate body 21 and the edge of a wing 23, and forms two grooves 22.
As shown in Figure 3, Figure 4, spacer assembly is provided with between the cell wall 11 of reinforcing cage 30 and groove 10.Spacer assembly two ends are connected on reinforcing cage 30 end or described joint 20, at least one side closed by described reinforcing cage 30, for stopping that the concrete be filled in this reinforcing cage 30 streams to adjacent reinforcing cage place.Spacer assembly is flexible sheet material.In preferred exemplary as shown in the figure, spacer assembly is geotextiles 40.Geotextiles 40 two ends are connected on two joints 20.Meeting pitted surface and meeting native face of reinforcing cage 30 is provided with geotextiles 40, and the both sides of reinforcing cage 30 are all closed.Reinforcing cage 30 surrounds by two pieces of geotextiles 40 and two joints 20.Geotextiles 40, for stopping concrete, prevents from building concrete in wherein one section of reinforcing cage 30 place from streaming between joint 20 and the cell wall 11 of groove 10 to adjacent reinforcing cage 30.As shown in Figure 4, when first opening reinforcing cage 30 concreting of 100, the geotextiles 40 first opening 100 sections can prevent concrete from the reinforcing cage 30 streamed between joint 20 and cell wall 11 to closed 200, thus can avoid being cast in and first open a concrete at 100 places and contact with the concrete being cast in closed 200 place and produce seam, avoid danger of leaking.
Geotextiles 40 both can adopt connector with the connection of joint 20, and as screw bolt and nut combination, or screw connects, and other fastening devicess also can be adopted to connect.In preferred exemplary as shown in the figure, some geotextiles 40 adopt screw bolt and nut combination to be connected with joint 20.Bolt passes the edge of a wing 23 and the geotextiles 40 of joint 20, and the nut be threaded connection, is connected geotextiles 40 end with joint 20.Some geotextiles 40 adopt other fastening devicess to be connected with joint 20.In example as shown in Figure 2, Figure 3, Figure 4, joint 20 is also provided with guiding device 50.Guiding device 50 is provided with gathering sill 51, and gathering sill 51 has import 52 and opening 53.Import 52 and opening 53 are vertically.In example as shown in the figure, namely gathering sill 51 extends perpendicular to paper direction along the depth direction of groove 10, and import 52 is vertically in paper, and opening 53 is towards left or right.Geotextiles 40 end is arranged in gathering sill 51, and stretches out outside gathering sill 51 from opening 53.Geotextiles 40 end is provided with guide pillar 43, and its set-up mode can adopt to be made or mode that other are feasible is arranged.Guide pillar 43 is inserted in described gathering sill 51, and described guide pillar 43 size is less than described gathering sill 51 size, and is greater than described opening 53 size.Such setting, can either guarantee to insert in gathering sill 51 by guide pillar 43 easily, guide pillar 43 can be limited in gathering sill 51 again, unless extracted by guide pillar 43 from import 52, otherwise guide pillar 43 will be inserted in gathering sill 51 always.Every two joints 20 are one group, and the opening 53 of the guiding device 50 that two joints 20 often in group are arranged is oppositely arranged.The two ends of geotextiles 40 are arranged in the gathering sill 51 in the guiding device 50 on two joints 20 often organizing respectively.According to the preferred embodiments of the present invention, guiding device 50 adopts channel-section steel.
Geotextiles 40 both can first be arranged on joint 20 and reinforcing cage 30, transferred in dead slot 10 with joint 20 and reinforcing cage 30; Also first joint 20 and reinforcing cage 30 can be transferred in dead slot 10, then the guide pillar 43 of geotextiles 40 is inserted in gathering sill 51; First can also transfer joint 20 in dead slot 10, then geotextiles 40 and reinforcing cage 30 be linked together and transfer in dead slot 10, when transferring, guide pillar 43 is inserted in gathering sill 51 mobile until transfer to the end.Geotextiles 40 can adopt iron wire (not shown) with the connection of reinforcing cage 30.Iron wire is utilized to pass geotextiles 40 by its bolt on reinforcing cage 30.
The plate body 21 of joint 20 is also provided with seal plate 60.Seal plate 60 is arranged at the centre position between two edges of a wing 23.Seal plate 60 extends certain length along the length direction of dead slot 10 from plate body 21.In preferred exemplary as shown in the figure, the plate body 21 of joint 20 is provided with channel-section steel 61.Channel-section steel 61 is provided with guide groove (not shown).Seal plate 60 end is provided with lead 62.Lead 62 is inserted in guide groove.Seal plate 60 both can first be arranged on joint 20 transfers in dead slot 10 together with joint 20, also first can be positioned in dead slot 10 by joint 20 and be inserted in guide groove by lead 62.
The using method of the diaphragm wall skeleton in the present invention is as follows:
1), as shown in Figure 1, grooving 10; Needing the position grooving 10 arranging diaphragm wall, groove 10 has both sides cell wall 11.This step adopts the construction of Special digging groove mechanical, and is equipped with slurry coat method.
2), as shown in Figure 1 and Figure 2, joint 20 and reinforcing bar 30 cage are hung be placed in groove 10.Reinforcing cage 30 one or both ends are provided with joint 20, determine depending on the shape of diaphragm wall and the position of reinforcing cage 30.If diaphragm wall is ring seal structure, joint 20 is all set at reinforcing cage 30 two ends, between every two joints 20, is provided with reinforcing cage 30.If diaphragm wall is nonocclusive structure, then the reinforcing cage 30 along diaphragm wall length direction two only arranges joint in one end.Joint 20 leaks in junction after fill concrete for preventing adjacent two sections of reinforcing cages 30.Joint 20 comprises at least one plate body 21.Joint 20 is also provided with a groove 22 or two grooves 22; Plate body 21 is the bottom land of one or two groove 22.In preferred exemplary as shown in the figure, joint 20 is provided with two grooves 22.Two opposing settings of groove 22, respectively towards two contrary directions.The joint 20 arranging two grooves 22 is I-shape construction, preferably adopts i iron.Each reinforcing cage 30 is between two joints 20.The joint 20 of I-steel comprises plate body 21 and the edge of a wing 23, and forms two grooves 22.
As shown in Figure 3, Figure 4, spacer assembly is provided with between the cell wall 11 of reinforcing cage 30 and groove 10.Spacer assembly two ends are connected on reinforcing cage 30 end or described joint 20, at least one side closed by described reinforcing cage 30, for stopping that the concrete be filled in this reinforcing cage 30 streams to adjacent reinforcing cage place.Spacer assembly is flexible sheet material.In preferred exemplary as shown in the figure, spacer assembly is geotextiles 40.Geotextiles 40 two ends are connected on two joints 20.Meeting pitted surface and meeting native face of reinforcing cage 30 is provided with geotextiles 40, and the both sides of reinforcing cage 30 are all closed.Reinforcing cage 30 surrounds by two pieces of geotextiles 40 and two joints 20.Geotextiles 40, for stopping concrete, prevents from building concrete in wherein one section of reinforcing cage 30 place from streaming between joint 20 and the cell wall of dead slot 10 to adjacent reinforcing cage 30.As shown in Figure 4, when first opening reinforcing cage 30 concreting of 100, the geotextiles 40 first opening 100 sections can prevent concrete from the reinforcing cage 30 streamed between joint 20 and cell wall 11 to closed 200, thus can avoid being cast in and first open a concrete at 100 places and contact with the concrete being cast in closed 200 place and produce seam, avoid danger of leaking.
Geotextiles 40 both can adopt connector with the connection of joint 20, and as screw bolt and nut combination, or screw connects, and other fastening devicess also can be adopted to connect.In preferred exemplary as shown in the figure, some geotextiles 40 adopt screw bolt and nut combination to be connected with joint 20.Bolt passes the edge of a wing 23 and the geotextiles 40 of joint 20, and the nut be threaded connection, is connected geotextiles 40 end with joint 20.Some geotextiles 40 adopt other fastening devicess to be connected with joint 20.In example as shown in Figure 2, Figure 3, Figure 4, joint 20 is also provided with guiding device 50.Guiding device 50 is provided with gathering sill 51, and gathering sill 51 has import 52 and opening 53.Import 52 and opening 53 are vertically.In example as shown in the figure, namely gathering sill 51 extends perpendicular to paper direction along the depth direction of groove 10, and import 52 is vertically in paper, and opening 53 is towards left or right.Geotextiles 40 end is arranged in gathering sill 51, and stretches out outside gathering sill 51 from opening 53.Geotextiles 40 end is provided with guide pillar 43, and its set-up mode can adopt to be made or mode that other are feasible is arranged.Guide pillar 43 is inserted in described gathering sill 51, and described guide pillar 43 size is less than described gathering sill 51 size, and is greater than described opening 53 size.Such setting, can either guarantee to insert in gathering sill 51 by guide pillar 43 easily, guide pillar 43 can be limited in gathering sill 51 again, unless extracted by guide pillar 43 from import 52, otherwise guide pillar 43 will be inserted in gathering sill 51 always.Every two joints 20 are one group, and the opening 53 of the guiding device 50 that two joints 20 often in group are arranged is oppositely arranged.The two ends of geotextiles 40 are arranged in the gathering sill 51 in the guiding device 50 on two joints 20 often organizing respectively.According to the preferred embodiments of the present invention, guiding device 50 adopts channel-section steel.
Geotextiles 40 both can first be arranged on joint 20 and reinforcing cage 30, transferred in dead slot 10 with joint 20 and reinforcing cage 30; Also first joint 20 and reinforcing cage 30 can be transferred in dead slot 10, then the guide pillar 43 of geotextiles 40 is inserted in gathering sill 51; First can also transfer joint 20 in dead slot 10, then geotextiles 40 and reinforcing cage 30 be linked together and transfer in dead slot 10, when transferring, guide pillar 43 is inserted in gathering sill 51 mobile until transfer to the end.Geotextiles 40 can adopt iron wire (not shown) with the connection of reinforcing cage 30.Iron wire is utilized to pass geotextiles 40 by its bolt on reinforcing cage 30.
The plate body 21 of joint 20 is also provided with seal plate 60.Seal plate 60 is arranged at the centre position between two edges of a wing 23.Seal plate 60 extends certain length along the length direction of dead slot 10 from plate body 21.In preferred exemplary as shown in the figure, the plate body 21 of joint 20 is provided with channel-section steel 61.Channel-section steel 61 is provided with guide groove (not shown).Seal plate 60 end is provided with lead 62.Lead 62 is inserted in guide groove.Seal plate 60 both can first be arranged on joint 20 transfers in dead slot 10 together with joint 20, also first can be positioned in dead slot 10 by joint 20 and be inserted in guide groove by lead 62.
3), fill concrete, make concrete wrap reinforcing cage 30.Groove 10 between every two joints 20 is one section, independently builds.One section of diaphragm wall is formed after concrete setting.
After the completion of one section of diaphragm wall, then repeat above step next section of diaphragm wall is set, until diaphragm wall length meets the requirements.As shown in Figure 4, first first open 100 place's concretings at two sections, then at closed 200 place's concretings.
Diaphragm wall skeleton in the present invention, the spacer assembly arranged outside reinforcing cage can effectively prevent concrete from streaming, and therefore also can not form unnecessary seam and the danger of leaking.In the construction of diaphragm wall process taking section construction, when especially adjacent two periods of construction of diaphragm wall interval times are longer, effect of the present invention is especially obvious.Adopt guiding device 50, can easily geotextiles 40 be connected with joint 20.Geotextiles 40 in the present invention and the connected mode of joint, structure is simply effective, and convenient construction, cost is low.Geotextiles 40 can either be utilized to have, solve again the problem not easily inserted in gathering sill 51 because geotextiles 40 has flexibility.Guiding device 50 both can lead when arranging geotextiles 40, also can lead when joint 20 is arranged on relevant position with reinforcing cage 30.Two joints 20 are arranged four guiding devices 50, reinforcing cage 30 puts in place from laying between four guiding devices 50, adds the facility that joint 20 is laid with reinforcing cage 30.
Take Fig. 1 as reference, length direction of the present invention is left and right directions, and width is above-below direction; Depth direction is perpendicular to paper direction.
Geotextiles in the present invention can also adopt steel sheet, sheet iron plate or nonmetal thin plate to replace.Steel sheet, sheet iron plate or nonmetal thin plate can adopt welding or securing member to be connected with joint or reinforcing cage end.
Embodiment in the present invention, only for the present invention will be described, does not form the restriction to right, other equivalent in fact substituting, all in scope that those skilled in that art can expect.
Claims (13)
1. diaphragm wall skeleton, is characterized in that, comprising:
Joint and reinforcing cage; Described reinforcing cage one or both ends are provided with joint;
Also comprise spacer assembly, described spacer assembly two ends are connected on reinforcing cage end or joint; At least one side closed by described reinforcing cage of described spacer assembly, for stopping that being filled to concrete in this reinforcing cage to stream the concrete of building to other reinforcing cages or adjacent reinforcing cage place and stream to this section of reinforcing cage place from this side.
2. diaphragm wall skeleton according to claim 1, is characterized in that, described spacer assembly is flexible sheet material; Described flexible sheet material two ends are connected on the end of described reinforcing cage or joint or described flexible sheet material is arranged on described reinforcing cage.
3. diaphragm wall skeleton according to claim 1, is characterized in that, described spacer assembly is geotextiles, Polypropylence Sheet or woven cloth.
4. diaphragm wall skeleton according to claim 1, is characterized in that, described joint or reinforcing cage end are provided with guiding device, and described guiding device is provided with gathering sill; Described gathering sill is provided with opening; Described spacer assembly is flexible sheet material, and described flexible sheet material two ends are arranged in the gathering sill of described guiding device respectively, and described flexible sheet material stretches out outside described gathering sill from described opening.
5. diaphragm wall skeleton according to claim 4, is characterized in that, described joint comprises plate body, and described guiding device is arranged on described plate body, protrudes from described plate body.
6. diaphragm wall skeleton according to claim 4, is characterized in that, described joint is I-shape construction, and described joint comprises plate body and wing plate; Described guiding device is arranged on described wing plate, protrudes from described wing plate.
7. diaphragm wall skeleton according to claim 4, is characterized in that, described flexible sheet material end is provided with guide pillar; Described guide pillar is inserted in described gathering sill.
8. diaphragm wall skeleton according to claim 7, is characterized in that, described guide pillar can be arranged in described gathering sill along described gathering sill depth direction plug, and described guide pillar is restricted in described gathering sill.
9. the diaphragm wall skeleton according to claim 7 or 8, is characterized in that, described gathering sill is provided with opening; Described guide pillar size is greater than the size of described gathering sill, and is less than the size of described opening.
10. diaphragm wall skeleton according to claim 1, is characterized in that, described spacer assembly is arranged at meeting pitted surface, meeting native face or be arranged on simultaneously and meet pitted surface and meet native face of described underground reinforced cage.
11. diaphragm wall skeletons according to claim 1, is characterized in that, described joint is provided with seal plate, described seal plate end is connected with described joint, and extend along the length direction of described groove.
12. diaphragm wall skeletons according to claim 1, it is characterized in that, described reinforcing cage is multistage, described joint number is multiple; Every section of reinforcing cage two ends are respectively arranged with joint, are provided with one section of reinforcing cage between every two joints.
13. diaphragm wall skeletons according to claim 1, is characterized in that, described spacer assembly is steel sheet, sheet iron plate or nonmetal thin plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173983.3A CN104790380B (en) | 2015-04-13 | 2015-04-13 | Underground diaphragm wall framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173983.3A CN104790380B (en) | 2015-04-13 | 2015-04-13 | Underground diaphragm wall framework |
Publications (2)
| Publication Number | Publication Date |
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| CN104790380A true CN104790380A (en) | 2015-07-22 |
| CN104790380B CN104790380B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510173983.3A Active CN104790380B (en) | 2015-04-13 | 2015-04-13 | Underground diaphragm wall framework |
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| CN (1) | CN104790380B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258517A (en) * | 2019-06-13 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of construction method for underground continuous wall connector |
| CN113136897A (en) * | 2021-03-19 | 2021-07-20 | 中铁隧道局集团有限公司 | Inverted tower type reverse multi-path underground diaphragm wall water stop structure and construction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258517A (en) * | 2019-06-13 | 2019-09-20 | 广州穗岩土木科技股份有限公司 | A kind of construction method for underground continuous wall connector |
| CN113136897A (en) * | 2021-03-19 | 2021-07-20 | 中铁隧道局集团有限公司 | Inverted tower type reverse multi-path underground diaphragm wall water stop structure and construction process |
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| Publication number | Publication date |
|---|---|
| CN104790380B (en) | 2017-05-24 |
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