CN101168963A - Large depth underground continuous wall water-stop joint device - Google Patents
Large depth underground continuous wall water-stop joint device Download PDFInfo
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- CN101168963A CN101168963A CNA2007100478117A CN200710047811A CN101168963A CN 101168963 A CN101168963 A CN 101168963A CN A2007100478117 A CNA2007100478117 A CN A2007100478117A CN 200710047811 A CN200710047811 A CN 200710047811A CN 101168963 A CN101168963 A CN 101168963A
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Abstract
The invention relates to a water sealing joint device of a large-depth underground continuous wall. The water sealing joint device consists of a water sealing connector plate and a rubber water stop; the water sealing connector plate comprises connector side plates connected in sequence, two arc shape plates, an H-shaped groove plate, an upper end plate and a lower end plate; the two arc shape plates are oppositely arranged in the middle at intervals along the width of a connector side plate, and the H-shaped groove plate is arranged in the middle between the two arc shape plates; the H-shaped groove plate has two opening ends, one end is fixed and connected with the two arc shape plates, and the other end is fixed and connected with the connector side plate; and the upper end plate and the lower end plate are arranged at the end parts of the two arc shape plates and the H-shaped groove plate. An opening slot is arranged at the middle part of the upper end plate and the lower end plate, and the rubber water stop is embedded in a gap between the opening slot and the opening end of the H-shaped groove plate. The connector side plate adopts a long strip shape thick steel plate, the upper end plate and the lower end plate adopt semi-circular steel plates, and the composite cross section of the two arc shape plates is matched with the shape of the upper end plate and the lower end plate. The depth of the opening slot of the upper end plate and the lower end plate is approximately identical to half of the width of the rubber water stop. The invention can improve the prior construction process, reduce the construction cost, and effectively improve the water sealing performance of the structure of the underground continuous wall.
Description
Technical field
The invention belongs to diaphragm wall engineering construction technical field, relate to the auxiliary equipment that a kind of diaphragm wall engineering construction is used, specifically, is a kind of large depth underground continuous wall water-stop joint device.
Background technology
Along with developing rapidly of China's building cause, the diaphragm wall engineering obtains increasingly extensive utilization in the ground foundation engineering field.Diaphragm wall is exactly to use a kind of special trench equipment on the ground, under the situation of mud off, excavate a long and narrow deep trouth, in groove, place reinforcing cage, concreting, build up a reinforced concrete wall section, these wall sections coupled together one by one, for intercept water, the usefulness of antiseepage, retaining soil or load-bearing.
The body of wall that this a section connection is constructed, often deep foundation engineering intercept water, the fender body of antiseepage, retaining soil.And numerous seam between fender body section and the section often is exactly the function weak link of fender body, and the quality good or not of this link directly has influence on the success or failure of fender body.In engineering construction in the past, because diaphragm wall seam construction quality is poor, cause wall leakage, quicksand, so that bottom heave, near surface settlement influences the Structural Engineering quality, causes the example of engineering safety harm all to happen occasionally.Therefore, the quality level of raising diaphragm wall body of wall seam has just constituted the key technology of a diaphragm wall engineering construction.
Engineering practice shows, what of folder mud are the quality of existing diaphragm wall engineering seam quality depend primarily in the seam, and folder mud is few more tight more, and the quality of seam is just good more.
Progressively construct and finish because diaphragm wall is a section, construct according to existing construction technology, promptly place junction block at seam crossing, the one section diaphragm wall that builds up earlier must soak a period of time (usually more than 24 hours) in mud, like this, concrete surface at this section diaphragm wall just can depend on last layer mud skin, and long more mud skin of time is just thick more.This layer is clipped in the mud skin in the diaphragm wall seam, is exactly the hidden danger of diaphragm wall body of wall seam quality, the killer of engineering safety.
In order to remove this layer mud skin, existing construction of diaphragm wall process using be the method for brush wall.Exactly before follow-up diaphragm wall is transferred reinforcing cage, clean with water with a kind of brush wall device of special band steel wire and to build the concrete surface of diaphragm wall earlier, to remove the mud skin of concrete surface, overcome existing hidden danger.Yet, because this brush wall device is to be suspended under the arm of crane to operate, steel wire on the brush wall device can not be close to concrete surface and clean with water, simultaneously, brush wall device is sightless in mud, the consequence that this has just directly caused the construction effect difference makes the mud skin of diaphragm wall seam crossing concrete surface thoroughly to remove, and has still stayed security-hidden trouble to engineering construction.
Moreover, employed junction block in the existing construction of diaphragm wall technology, because it is bulky, deal heavy, assembling and disassembling is all very inconvenient.Not only will be equipped with corresponding construction equipment such as hydraulic jacking device etc., lead wall and construct for the operation of pulling junction block also need utilize, careless slightly, just very possible destruction led wall, and makes the soil body of leading under the wall occur caving in.
For this reason, the insider is being devoted to the development and the exploitation of underground continuous wall water-stop joint device always.Chinese patent CN2221055Y discloses a kind of " diaphragm wall water joint device ", and this water joint device makes the water resistance of diaphragm wall be improved to a certain extent really.But its existing deficiency or defective also fully display in engineering practice.
On the one hand, two trapezoidal assemblys are set because the cross section of its water joint plate is roughly presented down, in the engineering construction of the big degree of depth, difficult with its overall pulling down.
On the other hand, because the two ends and the middle part of its rubber fastening band cross section are all rounded, its anchored force in concrete is less, during stripping operation, if careless manipulation just may be pulled out it from concrete, cause waterstop to bury failure underground, the effect of forfeiture waterproof.
Therefore say that above-mentioned this water joint device has the limitation of the engineering construction degree of depth.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art or defective, a kind of large depth underground continuous wall water-stop joint device is provided,, reduce construction cost, improve the structure sealing performance of diaphragm wall effectively to improve existing construction technology.
To achieve these goals, the present invention has adopted following technical scheme:
Large depth underground continuous wall water-stop joint device is characterized in that, it comprises the water-stopping joint plate, embeds the rubber fastening band on this water-stopping joint plate;
Described water-stopping joint plate is a steel structure member, comprises the joint side plates that is fixedly linked successively, two camber plates, H type frid, end plate up and down;
Described two camber plates are oppositely arranged along the wide interval placed in the middle of the plate of joint side plates, and described H type frid is arranged between two camber plates between two parties; Two openends of this H type frid, two outsides of an end are affixed with two arcs respectively, and the two ends and the joint side plates of the other end are affixed;
Described upper and lower end plate is arranged on the end of two camber plates, H type frid.
Above-mentioned large depth underground continuous wall water-stop joint device, wherein,
The middle part of described upper and lower end plate is provided with the rectangular open slot in a cross section, and the spacing of two camber plates is more than or equal to the width of rebate of upper and lower end plate;
Described rubber fastening band is straight to embed in the space of the open slot of upper and lower end plate and H type frid openend.
Described joint side plates is a strip steel plate, and its cross section is rectangular; The width of joint side plates is slightly less than the width of construction of diaphragm wall groove section;
Described upper and lower end plate is half circular steel plate; The compound section of two camber plates and the profile of upper and lower end plate are suitable.
The groove depth of described upper and lower end plate open slot is substantially equal to half of rubber fastening band width.
The middle part of described rubber fastening band cross section is a square hollow body, and the centre of this square hollow body is provided with a circular port;
Two terminations of described rubber fastening band are symmetrical square solid; The square hollow body at middle part links to each other by rubber gusset one with the square solid at two ends.
The cross section of described rubber gusset is cross.
The square hollow body is big or small suitable in the middle part of the openings of sizes of described H type frid openend and the rubber fastening band.
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and good effect:
Utilize large depth underground continuous wall water-stop joint device of the present invention, make the seam crossing of the diaphragm wall section that takes the lead in building, in follow-up continuous wall trench underground process not by mud dipping, thereby avoided the generation of seam crossing concrete surface mud skin, saved this procedure of brush wall.The rubber fastening band that utilization is provided with in seam is overcome the weak point in the technology of existing diaphragm wall effectively.Simultaneously, also produced following beneficial effect:
1. improved the sealing performance of diaphragm wall engineering structures.
Owing to not only do not have the mud skin but also be provided with rubber fastening band in weak link one seam of diaphragm wall engineering structures, its sealing performance has obtained thorough improvement, greatly improved the sealing performance of continuous underground wall structure engineering, make it be promoted as underground construction agent structure or complex from the space enclosing structure of the underground construction of simple occasional nature.Improve the technical economic benefit of diaphragm wall greatly, made it to have more development prospect.
2. improve existing construction technology, simplified construction equipment, improved speed of application.
Large depth underground continuous wall water-stop joint device involved in the present invention has been reformed the construction technology of existing underground continuous wall connector engineering, has simplified construction equipment, has improved speed of application:
(1) utilize adapter plate of the present invention to replace the junction block in the current engineering, volume, weight reduce over half, and assembling and disassembling is simplified greatly.
(2) saved involve great expense hydraulic jacking device, save the construction equipment expense.
(3) construction technology after the reform because reduced facility, simplified installation, method for dismounting, cancelled brush wall operation, thereby construction of diaphragm wall speed accelerated greatly.
3. reduce the incidence that cell wall caves in, improved the construction safety performance.
Owing to cancelled hydraulic jacking device and led the construction of pulling junction block on the wall, significantly reduced and led the wall loading, eliminated and led the main threat that wall destroys, protected effectively and led wall, reduced and led the possibility that the soil body caves under the wall, improved working security.
4. reduced construction cost.
Owing to simplified plant, improved work efficiency, reduced the groove inside of continuous underground wall generation of situation of caving in, thereby reduced the engineering construction cost significantly.
5. the water-stopping joint plate that adopted of the novel water-stop joint device of the present invention and the form of structure of rubber fastening band strengthen the anchored force of rubber fastening band greatly, and the dismounting of water-stopping joint plate is also convenient, has strengthened the degree of depth of engineering construction effectively.
In sum, adopt large depth underground continuous wall water-stop joint device of the present invention to construct, can significantly improve the structure sealing performance of diaphragm wall, it is convenient to construct, with low cost, further promoted the development of China's diaphragm wall engineering construction technical level.
Description of drawings
By following examples and in conjunction with the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,
Fig. 1 is the contour structures schematic diagram of large depth underground continuous wall water-stop joint device of the present invention;
Fig. 2 is the section structure schematic diagram of water-stopping joint plate among Fig. 1;
Fig. 3 is the section structure schematic diagram of rubber fastening band among Fig. 1;
Fig. 4 is the upper head plate structural representation of grooved adapter plate among Fig. 2;
Fig. 5 is the left TV structure schematic diagram of Fig. 4;
Fig. 6 is the bottom plate structural representation of grooved adapter plate among Fig. 2;
Fig. 7 is the structural representation that utilizes the underground continuous wall water-stop joint section of large depth underground continuous wall water-stop joint device construction back formation;
Fig. 8 is the section structure schematic diagram that is used for removing auxiliary equipment one stripper of water-stopping joint plate;
Fig. 9 is the process chart of existing underground continuous wall groove segment circulation construction;
Figure 10 is the process chart that utilizes underground continuous wall groove segment circulation construction behind the water-stop joint device of the present invention.
The specific embodiment
Referring to Fig. 1,2,3, cooperate referring to Fig. 4,5,6, large depth underground continuous wall water-stop joint device of the present invention mainly comprises water-stopping joint plate 1, embeds the rubber fastening band 2 on this water-stopping joint plate 1.
One. the water-stopping joint plate
Water-stopping joint plate 1 of the present invention is a steel structure member, comprises the joint side plates that is fixedly linked successively 11, two camber plates 12, H type frid 15, end plate 13,14 up and down;
Two camber plates 12 are oppositely arranged along the wide interval placed in the middle of the plate of joint side plates 11; H type frid 15 is arranged between two camber plates 12 between two parties; Two openends of this H type frid 15, two outsides of an end are affixed with two arcs 12 respectively, and the two ends of the other end and joint side plates 11 are affixed; Upper and lower end plate 13,14 is arranged on the end of two camber plates 12, H type frid 15.
The middle part of upper and lower end plate 13,14 is provided with a cross section rectangular open slot 13a, 14a, and the spacing of two camber plates 12 is substantially equal to the width of rebate of upper and lower end plate 13,14.
Upper and lower end plate 13,14 is half circular steel plate; The profile of the compound section of two groove type plates 12 and upper and lower end plate 13,14 is suitable.The groove depth of upper and lower end plate open slot 13a, 14a is more than or equal to half of rubber fastening band 2 width.
Before diaphragm wall concreting, earlier piecing devices integral body is placed in joint area, make its joint side plates 11 be close to the earthwork of groove section.After underground continuous wall concrete was built, rubber fastening band 2 exposed parts both had been fixed in the diaphragm wall body of wall.After the grooving of adjacent slot section, utilize special-purpose stripper 3 to remove adapter plate 1 then, another part of rubber fastening band 2 just comes out, and when diaphragm wall concreting subsequently, has just finished burying underground of rubber fastening band 2, makes seam have sealing performance.The final underground continuous wall water-stop joint that forms is seen shown in the accompanying drawing 7.
The technological process of existing underground continuous wall groove segment circulation construction as shown in Figure 9; After adopting large depth underground continuous wall water-stop joint device of the present invention, the change that makes existing construction of continuous concrete wall technological process produce essence, the technological process of underground continuous wall groove segment circulation construction is as shown in figure 10.
From above-mentioned two kinds of different construction flow charts contrast, can see that existing construction technology process must be extracted junction block after building the diaphragm wall concrete, then just can grooving operation under the mud off condition, this just makes seam generate the mud skin.And because the change of piecing devices structural form, its construction technology process is corresponding to have played variation, after diaphragm wall concreting, just can carry out the grooving operation, the joint side plates 11 of water-stop joint device is covered with the concrete surface of groove section joint in this case, and concrete surface can not produce the mud skin.So also just loaded down with trivial details the and operation that efficient is not high in brush wall this road is cancelled.
Therefore say, really become joint with sealing performance by the underground continuous wall connector after the reform.
The section structure of water-stopping joint plate 1 sees accompanying drawing 2 for details, can be divided into multiple different specifications such as 3m, 6m, 9m, 12m by its length, can require the water-stopping joint plate 1 of different length is connected into an integral body according to the engineering degree of depth at the site construction scene.Be up and down by bolted between the adapter plate 1.
For the ease of connecting, shown in Fig. 5～6, also be provided with alignment pin 13b respectively on 13 on the upper head plate of adapter plate 1, screwed hole 13c, be provided with locating hole 14b, bolt connecting hole 14c on the bottom plate 14 respectively, the position near arbitrary end plate on two camber plates 12 also should be provided with a hand hole (not shown).Utilize this hand hole, as long as earlier with in the locating hole 14b on the insertion of the alignment pin 13b on the upper head plate 13 bottom plate 14, bolt just can achieve a butt joint smoothly during connection.
Because the profile of two groove type plates 12 of large depth underground continuous wall water-stop joint device of the present invention be semicircle, be convenient to dismounting after making it be embedded in the concrete, more be applicable to the construction of large depth underground continuous wall engineering.
Two. rubber fastening band
Referring to shown in Figure 3, according to the rubber fastening band with special shape 2 of rubber fastening band in the specific building condition design of diaphragm wall.Its middle part outline is foursquare hollow body 2, circular hole 2a is established at the center of hollow body 2, and has certain elasticity, be to have taken into full account its installation in two joint end plate open slot 13a, 14a up and down and the job requirements of dismounting, make it more help rubber fastening band 2 burying underground in adjacent two the groove section seams of diaphragm wall.
And two terminations of rubber fastening band 2 are designed to foursquare solid 22, the square hollow body 21 at middle part is criss-cross rubber gusset 23 one with the square solid 22 at two ends by cross section and links to each other.Rubber fastening band 2 embeds in the space of open slot 13a, the 14a of upper and lower end plate and H type frid 15 openends straightly.Help the sealing performance of rubber fastening band 2 on the one hand, help its build-in in concrete on the other hand, strengthen anchored force, when preventing stripping operation it is pulled out from concrete, cause the failure of burying underground of rubber fastening band 2.
The openings of sizes of H type frid 15 openends and rubber fastening band 2 middle part square hollow bodies 21 big or small suitable.
Three. stripper
Also need be equipped with a stripper 3 in the underground continuous wall water-stop joint construction operation.This stripper 3 is a steel structure body, mainly is provided with two " L " shape handles 31, in order to pull water-stopping joint plate 1 from the side.Its plane cross section shape Fig. 8.
Four. utilize water-stop joint device of the present invention to carry out the construction point of underground continuous wall water-stop joint construction operation:
1. the cell wall verticality of continuous wall trench underground, as the X among Fig. 7, the Y both direction must reach the requirement of design verticality.
2. the diaphragm wall section of first opening must all be placed piecing devices at groove section two ends.
3. the sequence of operation of groove section construction can adopt job-hopping method or crossheading method, all adopts the construction of job-hopping method usually mostly.
4. piecing devices are used crane lifting at continuous wall trench underground at clear the end, its bottom must insertion groove at the bottom of its top of certain depth (about 500mm) must exceed and lead wall, and should be fixed.
5. when removing piecing devices, can hang steel stripper 3 by crane, " handle " 31 with stripper 3, the joint side plates 11 inboard whereabouts of inserting from adapter plate 1, firmly drawing back water-stopping joint plate 1 laterally gets final product, it is separated with rubber fastening band 2, finally make rubber fastening band 2 integral body be embedded in the concrete seam of adjacent two groove sections, can realize purpose of the present invention.
Claims (7)
1. large depth underground continuous wall water-stop joint device is characterized in that, it comprises the water-stopping joint plate, embeds the rubber fastening band on this water-stopping joint plate;
Described water-stopping joint plate is a steel structure member, comprises the joint side plates that is fixedly linked successively, two camber plates, H type frid, end plate up and down;
Described two camber plates are oppositely arranged along the wide interval placed in the middle of the plate of joint side plates, and described H type frid is arranged between two camber plates between two parties; Two openends of this H type frid, two outsides of an end are affixed with two arcs respectively, and the two ends and the joint side plates of the other end are affixed;
Described upper and lower end plate is arranged on the end of two camber plates, H type frid.
2. large depth underground continuous wall water-stop joint device according to claim 1 is characterized in that,
The middle part of described upper and lower end plate is provided with the rectangular open slot in a cross section, and the spacing of two camber plates is more than or equal to the width of rebate of upper and lower end plate;
Described rubber fastening band is straight to embed in the space of the open slot of upper and lower end plate and H type frid openend.
3. large depth underground continuous wall water-stop joint device according to claim 1 is characterized in that,
Described joint side plates is a strip steel plate, and its cross section is rectangular; The width of joint side plates is slightly less than the width of construction of diaphragm wall groove section;
Described upper and lower end plate is half circular steel plate; The compound section of two camber plates and the profile of upper and lower end plate are suitable.
4. large depth underground continuous wall water-stop joint device according to claim 1 is characterized in that the groove depth of described upper and lower end plate open slot is substantially equal to half of rubber fastening band width.
5. according to claim 1 or 2 or 4 described large depth underground continuous wall water-stop joint devices, it is characterized in that,
The middle part of described rubber fastening band cross section is a square hollow body, and the centre of this square hollow body is provided with a circular port;
Two terminations of described rubber fastening band are symmetrical square solid; The square hollow body at middle part links to each other by rubber gusset one with the square solid at two ends.
6. large depth underground continuous wall water-stop joint device according to claim 5 is characterized in that the cross section of described rubber gusset is cross.
7. large depth underground continuous wall water-stop joint device according to claim 5 is characterized in that, the square hollow body is big or small suitable in the middle part of the openings of sizes of described H type frid openend and the rubber fastening band.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710047811 CN100580195C (en) | 2007-11-05 | 2007-11-05 | Large depth underground continuous wall water-stop joint device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710047811 CN100580195C (en) | 2007-11-05 | 2007-11-05 | Large depth underground continuous wall water-stop joint device |
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| CN101168963A true CN101168963A (en) | 2008-04-30 |
| CN100580195C CN100580195C (en) | 2010-01-13 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101974901A (en) * | 2010-10-22 | 2011-02-16 | 天津深基工程有限公司 | Lateral movably-connecting combined joint pipe of diaphram wall |
| CN103850247A (en) * | 2014-03-01 | 2014-06-11 | 中国水利水电第七工程局成都水电建设工程有限公司 | Joint protection plate for underground continuous wall, construction machine and construction method |
| CN104314106A (en) * | 2014-11-12 | 2015-01-28 | 云南建工集团有限公司 | Underground diaphragm wall with joint water stop and filling vacancy structure and construction method thereof |
| CN104895117A (en) * | 2015-05-27 | 2015-09-09 | 上海隧道工程有限公司 | GXJ steel rubber water stop band connector box lateral stripping device and construction method thereof |
| CN104929158A (en) * | 2015-06-19 | 2015-09-23 | 上海建工二建集团有限公司 | Connector box used for underground diaphragm wall steel-rubber connector and construction method |
| CN105019474A (en) * | 2015-07-29 | 2015-11-04 | 上海市政工程设计研究总院（集团）有限公司 | Reconstruction structure and method for tunnels |
| CN105370034A (en) * | 2014-11-10 | 2016-03-02 | 苏州多固工程设计有限公司 | Construction method for detachable concrete deformation joint water stop cavity die |
| CN107083991A (en) * | 2012-09-06 | 2017-08-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of construction method of the open ventilation section flood control water-retaining structure in tunnel |
| CN107524174A (en) * | 2017-08-24 | 2017-12-29 | 中铁隧道勘测设计院有限公司 | A kind of diaphragm wall I-shaped steel joint provided with water expandable waterstop |
| 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 |
| KR20210115227A (en) * | 2020-03-12 | 2021-09-27 | 삼성물산 주식회사 | Slim D-Wall Stop-End |
| CN116427469A (en) * | 2023-06-09 | 2023-07-14 | 中铁建工集团有限公司 | Underground diaphragm wall structure with rubber water stop joint and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101974901B (en) * | 2010-10-22 | 2011-11-16 | 天津深基工程有限公司 | Lateral movably-connecting combined joint pipe of diaphram wall |
| CN101974901A (en) * | 2010-10-22 | 2011-02-16 | 天津深基工程有限公司 | Lateral movably-connecting combined joint pipe of diaphram wall |
| CN107083991A (en) * | 2012-09-06 | 2017-08-22 | 上海市政工程设计研究总院（集团）有限公司 | A kind of construction method of the open ventilation section flood control water-retaining structure in tunnel |
| CN103850247A (en) * | 2014-03-01 | 2014-06-11 | 中国水利水电第七工程局成都水电建设工程有限公司 | Joint protection plate for underground continuous wall, construction machine and construction method |
| CN103850247B (en) * | 2014-03-01 | 2016-02-17 | 中国水利水电第七工程局成都水电建设工程有限公司 | A kind of underground continuous wall connector guard shield and construction equipment and construction method |
| CN105370034B (en) * | 2014-11-10 | 2018-05-18 | 葛洲坝武汉道路材料有限公司 | The construction method of detachable concrete deformation joint sealing swaging die |
| CN105370034A (en) * | 2014-11-10 | 2016-03-02 | 苏州多固工程设计有限公司 | Construction method for detachable concrete deformation joint water stop cavity die |
| CN104314106A (en) * | 2014-11-12 | 2015-01-28 | 云南建工集团有限公司 | Underground diaphragm wall with joint water stop and filling vacancy structure and construction method thereof |
| CN104895117A (en) * | 2015-05-27 | 2015-09-09 | 上海隧道工程有限公司 | GXJ steel rubber water stop band connector box lateral stripping device and construction method thereof |
| CN104895117B (en) * | 2015-05-27 | 2017-03-29 | 上海隧道工程有限公司 | The lateral stripping off device of GXJ steel rubber water-proof belt lacing casees and its construction method |
| CN104929158A (en) * | 2015-06-19 | 2015-09-23 | 上海建工二建集团有限公司 | Connector box used for underground diaphragm wall steel-rubber connector and construction method |
| CN105019474B (en) * | 2015-07-29 | 2017-09-26 | 上海市政工程设计研究总院（集团）有限公司 | A kind of genuine reconstruction structure and its reconstruction method |
| CN105019474A (en) * | 2015-07-29 | 2015-11-04 | 上海市政工程设计研究总院（集团）有限公司 | Reconstruction structure and method for tunnels |
| CN107524174A (en) * | 2017-08-24 | 2017-12-29 | 中铁隧道勘测设计院有限公司 | A kind of diaphragm wall I-shaped steel joint provided with water expandable waterstop |
| CN107524174B (en) * | 2017-08-24 | 2022-09-30 | 中铁第六勘察设计院集团有限公司 | Continuous wall I-shaped steel joint with water swelling water stop strip |
| 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 |
| KR20210115227A (en) * | 2020-03-12 | 2021-09-27 | 삼성물산 주식회사 | Slim D-Wall Stop-End |
| KR102376908B1 (en) * | 2020-03-12 | 2022-03-23 | 삼성물산(주) | Slim D-Wall Stop-End |
| CN116427469A (en) * | 2023-06-09 | 2023-07-14 | 中铁建工集团有限公司 | Underground diaphragm wall structure with rubber water stop joint and construction method thereof |
| CN116427469B (en) * | 2023-06-09 | 2023-10-27 | 中铁建工集团有限公司 | Underground diaphragm wall structure with rubber water stop joint and construction method thereof |
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