CN112832228B - Positioning and water stopping device for reinforcement cage of underground continuous wall and construction method - Google Patents
Positioning and water stopping device for reinforcement cage of underground continuous wall and construction method Download PDFInfo
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- CN112832228B CN112832228B CN202110159012.9A CN202110159012A CN112832228B CN 112832228 B CN112832228 B CN 112832228B CN 202110159012 A CN202110159012 A CN 202110159012A CN 112832228 B CN112832228 B CN 112832228B
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000010276 construction Methods 0.000 title claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a positioning and water-stopping device for a reinforcement cage of an underground continuous wall, wherein a main reinforcement of the reinforcement cage is outwards provided with a connecting reinforcement; install an at least locating plate on the lateral wall of steel reinforcement cage one side, install the stagnant water board of an at least concatenation combination on the lateral wall of steel reinforcement cage another side, locating plate, stagnant water board and steel reinforcement cage surface parallel arrangement pass through stagnant water fastener sealing connection between the adjacent stagnant water board. When the water stop plate exists, the distance between the reinforcement cage and the grooving can be controlled when the reinforcement cage is placed downwards, the verticality deviation in the process of placing the reinforcement cage is effectively reduced, meanwhile, the thickness of a protective layer of the underground continuous wall can be ensured, the risk of corrosion of the reinforcement is reduced, and the service life of the structure is prolonged; the positioning plate is arranged on the side face of the reinforcement cage of the underground diaphragm wall, so that the process of leveling the side wall of the foundation pit is avoided when the foundation pit is excavated, the excavation efficiency of the foundation pit is improved, and the smoothness of the side wall of the underground diaphragm wall is ensured.
Description
Technical Field
The invention relates to the field of underground diaphragm wall construction, in particular to a positioning and water-stopping device for a reinforcement cage of an underground diaphragm wall and a construction method.
Background
Under the big environment that green construction, energy-concerving and environment-protective and assembly construction are advocated greatly in the country, adopt underground continuous wall to be as the permanent structure side wall of underground station and concurrently to be the retaining soil stagnant water envelope of foundation ditch excavation stage single wall form and replace the underground continuous wall or drilling bored concrete pile + main part concrete frame structural style of traditional subway station, this structural style has solved the atress problem that underground continuous wall is the permanent structure side wall, main part frame construction and additional waterproof layer have been cancelled simultaneously, can reduce engineering cost and practice thrift the time limit for a project, have certain superiority. However, the underground diaphragm wall is a permanent structure, and due to the characteristics of underground engineering, the flatness, the quality, the verticality, the precision of embedded parts and the like of the underground diaphragm wall are difficult to control. When the underground continuous wall is close to the regions such as lakes, rivers and the like with abundant underground water, water is easy to leak from the joints between the wall panels of the underground continuous wall, the leakage prevention of the joints of the wall panels is a key problem, and particularly when the underground continuous wall is used as a permanent outer wall of an underground structure, the joints need to have good water stopping measures.
The existing construction method has a plurality of problems. For example: when underground continuous wall steel reinforcement cage transferred, adopt the manual work to carry out the straightness control that hangs down, lead to the straightness control that hangs down to have the deviation, be difficult to guarantee the precision of underground continuous wall construction. After the construction of the underground continuous wall is completed, if the underground continuous wall is used as a main structure, the side wall of the underground continuous wall needs to be leveled, a large amount of labor needs to be consumed, and the construction cost is increased. The seam between the wall panels of the underground diaphragm wall is easy to leak water, so that the effect of the underground diaphragm wall as a permanent structure is poor, the construction life of the structure is influenced, and the repair cost is increased.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the underground continuous wall steel reinforcement cage positioning water-stopping device with higher construction precision, better smoothness and longer service life and the construction method.
In order to realize the technical purpose, the scheme of the invention is as follows: a positioning and water stopping device for a reinforcement cage of an underground continuous wall comprises the reinforcement cage formed by criss-cross connection of main reinforcements, wherein the main reinforcements of the reinforcement cage are provided with connecting reinforcements outwards;
install an at least locating plate on the lateral wall of steel reinforcement cage one side, install the stagnant water board of an at least concatenation combination on the lateral wall of steel reinforcement cage another side, locating plate, stagnant water board and steel reinforcement cage surface parallel arrangement pass through stagnant water fastener sealing connection between the adjacent stagnant water board, locating plate, stagnant water board respectively with through splice bar fixed connection.
Preferably, the water-stopping fastener is formed by combining a web, flanges and water-stopping flexible members, one end of the web is provided with the flanges, the other end of the web is provided with an I-shaped buckle plate, and four or more water-stopping flexible members are symmetrically arranged on the inner side of the buckle plate;
the buckle plate can be nested and installed between adjacent water stop plates, the water stop flexible piece is in contact connection with the water stop plates, and the flange surface at the other end of the water stop fastener is tightly attached to the positioning plate at the other side.
Preferably, the reinforcement cage is of a rectangular structure, and a hanging piece is arranged at the top of the reinforcement cage.
Preferably, the water stopping flexible piece is a semicircular rubber ring.
A construction method adopts an underground continuous wall reinforcement cage positioning water stop device, and comprises the following specific steps: s1, performing interval grooving construction, namely performing groove cleaning and wall brushing by adopting a hydraulic grab bucket and a double-wheel milling groove, wherein the groove forming adopts an interval construction sequence, and the width of the groove can ensure that the reinforcement cage can be smoothly lowered;
s2, manufacturing the reinforcement cage, namely manufacturing the reinforcement cage by adopting a mode of crisscross connection of longitudinal and transverse main ribs according to the manufacturing process of the reinforcement cage, fixedly connecting the ribs along the main ribs at the same intervals after the reinforcement cage is manufactured, wherein the connecting ribs are vertical to the main ribs, and respectively fixing a positioning plate and a water stop plate on the connecting ribs, so that the positioning plate and the water stop plate are respectively parallel to the surface of the reinforcement cage, a water stop fastener is arranged between the water stop plates, and the water stop fastener is fixedly connected with the reinforcement cage;
s3, hoisting the steel reinforcement cage by a crane and lowering the steel reinforcement cage into the slotted hole, wherein during lowering, the positioning plate is tightly attached to the outer side wall of the foundation pit, and the water stop plate is tightly attached to the inner side wall of the foundation pit and lowered to the designated height position;
s4, pouring concrete, namely inserting a guide pipe for building and mixing into the steel reinforcement cage to pour the concrete;
s5, constructing the diaphragm wall, grooving the part which is not grooved, grooving the underground diaphragm wall which is adjacent to the finished diaphragm wall, cleaning the groove and brushing the wall so that the adjacent diaphragm walls can form tight connection, repeating the steps S3 and S4, and keeping the concrete pouring elevation obtained by the subsequent construction consistent with that of the finished diaphragm wall.
Preferably, in the step S4, during the concrete pouring process, the concrete is continuously vibrated during the pouring process, and finally the concrete pouring elevation covers the top end of the reinforcement cage.
Preferably, in the step of continuous wall construction process, before the continuous steel reinforcement cage is transferred, one end of a water stop plate on the steel reinforcement cage is inserted into a water stop fastener flange, two ends of a positioning plate are tightly attached to the flange surface of the other end of the water stop fastener, the adjacent steel reinforcement cage can be tightly connected with the underground continuous wall after construction, in the transfer process, the positioning plate is tightly attached to the outer side wall of the foundation pit, the water stop plate is tightly attached to the inner side wall of the foundation pit, and the underground continuous wall is transferred to the designated height position.
The water stop plate has the advantages that when the water stop plate exists, the space between the reinforcement cage and the grooving can be controlled when the reinforcement cage is placed downwards, the verticality deviation in the process of placing the reinforcement cage is effectively reduced, meanwhile, the thickness of a protective layer of an underground continuous wall can be ensured, the risk of corrosion of the reinforcement is reduced, and the service life of the structure is prolonged; the positioning plate is arranged on the side surface of the reinforcement cage of the underground diaphragm wall, so that the process of leveling the side wall of the foundation pit is avoided during excavation of the foundation pit, the excavation efficiency of the foundation pit is improved, and the smoothness of the side wall of the underground diaphragm wall is ensured; set up the stagnant water fastener between the stagnant water board, connect more easily, for traditional stagnant water steel sheet can reach more the effect of prevention of seepage leak protection simultaneously, the life increase of underground continuous wall as permanent structure.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a reference view of the water stop plate of the present invention in a state close to the inside of the foundation pit;
FIG. 4 is a reference diagram of the positioning plate of the present invention near the outer side of the foundation pit;
fig. 5 is a schematic structural diagram of the water stop flexible member of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1 to 5, the concrete embodiment of the present invention is a positioning water stop device for a reinforcement cage of an underground continuous wall, which includes a reinforcement cage 1 of a rectangular structure formed by criss-cross connection of main reinforcements, a connecting reinforcement 101 is further disposed on the main reinforcement of the reinforcement cage 1, and a hanging member 102 is disposed on the top of the reinforcement cage 1.
Install an at least locating plate 2 on the lateral wall of 1 one side of steel reinforcement cage, install an at least stagnant water board 3 that can splice the combination on the lateral wall of 1 another side of steel reinforcement cage, locating plate 2, stagnant water board 3 and 1 parallel surface of steel reinforcement cage set up, through 4 sealing connection of stagnant water fastener between the adjacent stagnant water board 3, locating plate 2, stagnant water board 3 respectively with through splice bar 101 fixed connection. The positioning plate 2 and the water stop plate 3 are made of steel plates.
The water-stop fastener 4 is formed by combining a web 401, a flange 402 and a water-stop flexible piece 403, wherein the flange 402 is arranged at one end of the web 401, an I-shaped buckle plate 404 is arranged at the other end of the web 401, and four or more water-stop flexible pieces 403 are symmetrically arranged on the inner side of the buckle plate 404; the water stopping flexible member 403 is a semicircular rubber ring. The pinch plate 404 can be nested between adjacent water stop plates 3, the water stop flexible piece 403 is in contact connection with the water stop plates 3, and the surface of the flange 402 at the other end of the water stop fastener 403 is tightly attached to the positioning plate 2 at the other side.
A construction method adopts an underground continuous wall reinforcement cage positioning water stop device, and comprises the following specific steps: s1, performing interval grooving construction, namely performing groove cleaning and wall brushing by adopting a hydraulic grab bucket and a double-wheel milling groove, wherein the groove forming adopts an interval construction sequence, and the width of the groove can ensure that the reinforcement cage can be smoothly lowered;
s2, manufacturing the reinforcement cage, namely manufacturing the reinforcement cage by adopting a mode of crisscross connection of longitudinal and transverse main ribs according to the manufacturing process of the reinforcement cage, fixedly connecting the ribs along the main ribs at the same intervals after the reinforcement cage is manufactured, wherein the connecting ribs are vertical to the main ribs, and respectively fixing a positioning plate and a water stop plate on the connecting ribs, so that the positioning plate and the water stop plate are respectively parallel to the surface of the reinforcement cage, a water stop fastener is arranged between the water stop plates, and the water stop fastener is fixedly connected with the reinforcement cage;
s3, hoisting the steel reinforcement cage by a crane and lowering the steel reinforcement cage into the slotted hole, wherein during lowering, the positioning plate is tightly attached to the outer side wall of the foundation pit, and the water stop plate is tightly attached to the inner side wall of the foundation pit and lowered to the designated height position;
s4, pouring concrete, namely inserting a guide pipe for building and mixing into the steel reinforcement cage to pour the concrete; and continuously vibrating the concrete in the pouring process, and finally, pouring the concrete to cover the top end of the reinforcement cage with an elevation.
And S5, constructing the continuous wall, namely grooving the part which is not grooved, grooving the adjacent underground continuous wall which is constructed completely, cleaning the groove and brushing the wall so that the adjacent underground continuous wall can form tight connection, repeating the steps S3 and S4, and keeping the concrete pouring elevation obtained by subsequent construction consistent with that of the finished underground continuous wall. In the diaphragm wall work progress of step, before continuous steel reinforcement cage transfers, insert stagnant water board one end on the steel reinforcement cage in the stagnant water fastener edge of a wing, hug closely the edge of a wing surface of stagnant water fastener other end with locating plate both ends, let adjacent steel reinforcement cage can with the underground diaphragm wall zonulae occludens of construction completion, transfer the in-process, make the locating plate hug closely the foundation ditch lateral wall, make the stagnant water board hug closely the foundation ditch inside wall, transfer and designate the eminence.
When the water stop plate exists, the distance between the reinforcement cage and the grooving can be controlled when the reinforcement cage is placed downwards, the verticality deviation in the process of placing the reinforcement cage is effectively reduced, meanwhile, the thickness of a protective layer of the underground continuous wall can be ensured, the risk of corrosion of the reinforcement is reduced, and the service life of the structure is prolonged; the positioning plate is arranged on the side surface of the reinforcement cage of the underground diaphragm wall, so that the process of leveling the side wall of the foundation pit is avoided during excavation of the foundation pit, the excavation efficiency of the foundation pit is improved, and the smoothness of the side wall of the underground diaphragm wall is ensured; set up the stagnant water fastener between the stagnant water board, connect more easily, for traditional stagnant water steel sheet can reach more the effect of prevention of seepage leak protection simultaneously, the life increase of underground continuous wall as permanent structure.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (4)
1. A construction method is characterized in that: the positioning and water stopping device for the reinforcement cage of the underground continuous wall comprises the reinforcement cage formed by criss-cross connection of main reinforcements, and connecting reinforcements are arranged on the main reinforcements of the reinforcement cage outwards;
the outer side wall of one side of the steel reinforcement cage is provided with at least one positioning plate, the outer side wall of the other side of the steel reinforcement cage is provided with at least one spliced water stop plate, the positioning plate and the water stop plate are arranged in parallel with the surface of the steel reinforcement cage, adjacent water stop plates are hermetically connected through a water stop fastener, and the positioning plate and the water stop plate are fixedly connected through a connecting rib respectively;
the water-stopping fastener is formed by combining a web plate, a flange and water-stopping flexible members, wherein the flange is arranged at one end of the web plate, an I-shaped buckle plate is arranged at the other end of the web plate, and four or more water-stopping flexible members are symmetrically arranged on the inner side of the buckle plate;
the pinch plate can be nested and installed between adjacent water stop plates, the water stop flexible piece is in contact connection with the water stop plates, and the flange surface at the other end of the water stop fastener is tightly attached to the positioning plate at the other side;
the method comprises the following specific steps:
s1, performing interval grooving construction, namely performing groove cleaning and wall brushing by adopting a hydraulic grab bucket and a double-wheel milling groove, wherein the groove forming adopts an interval construction sequence, and the width of the groove can ensure that the reinforcement cage can be smoothly lowered;
s2, manufacturing the reinforcement cage, namely manufacturing the reinforcement cage by adopting a mode of crisscross connection of longitudinal and transverse main ribs according to the manufacturing process of the reinforcement cage, fixedly connecting the ribs along the main ribs at the same intervals after the reinforcement cage is manufactured, wherein the connecting ribs are vertical to the main ribs, and respectively fixing a positioning plate and a water stop plate on the connecting ribs, so that the positioning plate and the water stop plate are respectively parallel to the surface of the reinforcement cage, a water stop fastener is arranged between the water stop plates, and the water stop fastener is fixedly connected with the reinforcement cage;
s3, hoisting the steel reinforcement cage by a crane and lowering the steel reinforcement cage into the slotted hole, wherein during lowering, the positioning plate is tightly attached to the outer side wall of the foundation pit, and the water stop plate is tightly attached to the inner side wall of the foundation pit and lowered to the designated height position; in the continuous wall construction process, before the connected reinforcement cages are lowered, one end of a water stop plate on each reinforcement cage is inserted into a flange of a water stop fastener, two ends of a positioning plate are tightly attached to the surface of the flange at the other end of the water stop fastener, so that the adjacent reinforcement cages can be tightly connected with the constructed underground continuous wall, and in the lowering process, the positioning plate is tightly attached to the outer side wall of the foundation pit, so that the water stop plate is tightly attached to the inner side wall of the foundation pit and is lowered to the designated height;
s4, pouring concrete, namely inserting a guide pipe for building and mixing into the steel reinforcement cage to pour the concrete;
and S5, constructing the continuous wall, namely grooving the part which is not grooved, grooving the adjacent underground continuous wall which is constructed completely, cleaning the groove and brushing the wall so that the adjacent underground continuous wall can form tight connection, repeating the steps S3 and S4, and keeping the concrete pouring elevation obtained by subsequent construction consistent with that of the finished underground continuous wall.
2. The construction method according to claim 1, wherein: the steel reinforcement cage is the rectangle structure, steel reinforcement cage top is provided with the flying piece.
3. The construction method according to claim 1, characterized in that: the water stopping flexible piece is a semicircular rubber ring.
4. The construction method according to claim 1, characterized in that: and in the step S4, in the concrete pouring process, continuously vibrating the concrete in the pouring process, and finally covering the top end of the reinforcement cage with the concrete pouring elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159012.9A CN112832228B (en) | 2021-02-05 | 2021-02-05 | Positioning and water stopping device for reinforcement cage of underground continuous wall and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159012.9A CN112832228B (en) | 2021-02-05 | 2021-02-05 | Positioning and water stopping device for reinforcement cage of underground continuous wall and construction method |
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| Publication Number | Publication Date |
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| CN112832228A CN112832228A (en) | 2021-05-25 |
| CN112832228B true CN112832228B (en) | 2022-07-08 |
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| CN202110159012.9A Expired - Fee Related CN112832228B (en) | 2021-02-05 | 2021-02-05 | Positioning and water stopping device for reinforcement cage of underground continuous wall and construction method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114197447A (en) * | 2021-11-02 | 2022-03-18 | 广州地铁设计研究院股份有限公司 | Lightweight single-side superposed prefabricated underground continuous wall and construction method thereof |
| CN114592499B (en) * | 2022-03-21 | 2022-11-11 | 浙江鑫润工程管理有限公司 | Semi-prefabricated underground continuous wall structure and construction method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691294B (en) * | 2012-05-15 | 2013-08-21 | 安宜建设集团有限公司 | Construction method of underground continuous wall |
| CN207160279U (en) * | 2017-08-24 | 2018-03-30 | 中冶长天国际工程有限责任公司 | A kind of water-tight device of concrete structure |
| CN107687166A (en) * | 2017-10-18 | 2018-02-13 | 太原理工大学 | Diaphram wall is anti-to stream, water-impervious I-shaped steel joint structure and construction method |
| JP7034470B2 (en) * | 2017-12-26 | 2022-03-14 | 西武ポリマ化成株式会社 | Fixed structure of flexible water blocking member |
| CN108221957A (en) * | 2018-03-12 | 2018-06-29 | 中铁第四勘察设计院集团有限公司 | A kind of continuous underground wall structure |
| CN208884478U (en) * | 2018-08-31 | 2019-05-21 | 黄石市振兴工程监理有限公司 | A kind of hidden rolling sealing of aqueduct expansion joints |
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