CN113235651A - Waterproof construction at underground pipe gallery expansion joint - Google Patents
Waterproof construction at underground pipe gallery expansion joint Download PDFInfo
- Publication number
- CN113235651A CN113235651A CN202110586110.0A CN202110586110A CN113235651A CN 113235651 A CN113235651 A CN 113235651A CN 202110586110 A CN202110586110 A CN 202110586110A CN 113235651 A CN113235651 A CN 113235651A
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- Prior art keywords
- expansion joint
- water stop
- water
- layer
- rubber
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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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
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention discloses a waterproof structure for an underground pipe gallery expansion joint, which comprises a flow guide wall, wherein the flow guide wall is provided with an expansion joint, a caulking material is arranged in the expansion joint, the upper part in the expansion joint is provided with a caulking material, the top of the expansion joint is provided with an externally attached water stop belt, the externally attached water stop belt is provided with an upper concrete protective layer, the lower part in the expansion joint is provided with water stop rubber, the bottom of the expansion joint is provided with a sealing material layer, the sealing material layer is provided with a placing groove, a water leakage alarm assembly is arranged in the placing groove, the bottom of the sealing material layer is provided with multiple waterproof layers, and the multiple waterproof layers are provided with lower concrete protective layers; through add outer formula waterstop of pasting on the caulking material, can effectively carry out the stagnant water, the seepage appears in avoiding the expansion joint, through set up the leak water warning subassembly in stagnant water rubber bottom, can in time report to the police when the seepage takes place at the expansion joint, through setting up multiple waterproof layer, can effectively play waterproof effect, avoids the expansion joint seepage to further enlarge.
Description
Technical Field
The invention relates to the technical field of underground pipe gallery expansion joints, in particular to a waterproof structure for an underground pipe gallery expansion joint.
Background
The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure and a 'lifeline' for guaranteeing city operation. The expansion joint is as the important link in utility tunnel civil engineering construction, and the scientific nature of its construction is especially important to the guarantee of structural durability. Once the expansion joint seeps water, the engineering use is influenced, and even the safe operation of the engineering is endangered.
To the waterproof general caulking material of filling up in the expansion joint of expansion joint among the prior art, have the sealed effect of stagnant water and can adapt to the change at expansion joint, but the waterproofing coefficient of this kind of waterproof structure system is lower, takes place the seepage easily, and unable timely sending alarm information gives the outside when taking place the seepage, can lead to the safe operation of equipment when serious.
Based on the above, the invention designs a waterproof structure for the expansion joint of the underground pipe gallery to solve the above mentioned problems.
Disclosure of Invention
The invention aims to provide a waterproof structure for an underground pipe gallery expansion joint, which can effectively stop water and avoid leakage in the expansion joint by additionally arranging an externally attached water stop belt on a caulking material, can timely alarm when the expansion joint leaks by arranging a water leakage alarm component at the bottom of water stop rubber, can effectively play a waterproof role by arranging multiple waterproof layers, and can avoid further expansion of the expansion joint leakage so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a waterproof construction at underground piping lane expansion joint, includes the guiding wall, the expansion joint has been seted up on the guiding wall, be equipped with caulking material in the expansion joint, upper portion is equipped with the caulking material in the expansion joint, the expansion joint top is equipped with the outer formula waterstop, be equipped with the concrete protection layer on the outer formula waterstop, the lower part is equipped with stagnant water rubber in the expansion joint, the expansion joint bottom is equipped with sealing material layer, last the opening of sealing material layer has the standing groove, be equipped with the leak alarm subassembly in the standing groove, sealing material layer bottom is equipped with multiple waterproof layer, be equipped with down the concrete protection layer on the multiple waterproof layer.
Preferably, the gap filling material is a polystyrene plastic foam plate; the caulking material is epoxy resin type macromolecule anticorrosion waterproof material.
Based on the technical characteristics, the waterproof structure has the advantages of long service life, convenience in construction, long service life of more than fifty years and good waterproof effect.
Preferably, a quick-setting rubber asphalt waterproof layer is sprayed on the top of the upper concrete protective layer.
Based on the technical characteristics, the quick-setting rubber asphalt waterproof layer has the advantages of good thixotropy and capability of realizing seamless bonding.
Preferably, the water-stop rubber is water-swelling water-stop rubber.
Based on above-mentioned technical characteristic, can expand when taking place the seepage, block up the expansion joint, avoid the seepage serious.
Preferably, the multiple waterproof layers comprise red copper water stop sheets, the red copper water stop sheets are connected with the bottom of the sealing material layer, sealing adhesive layers are arranged at the bottoms of the red copper water stop sheets, and rubber water stop belts are arranged at the bottoms of the sealing adhesive layers.
Based on the technical characteristics, through multiple waterproofing, the waterproof effect is good.
Preferably, both sides of the expansion joint are provided with embedded water stops, and the embedded water stops are arranged in the diversion wall.
Based on above-mentioned technical characteristics, carry out the stagnant water through buryying formula waterstop to the expansion joint, the stagnant water is effectual.
Preferably, the water leakage alarm assembly comprises an insulating shell, a detection rod penetrates through the top of the insulating shell, the top end of the detection rod is in contact with the bottom of the water stop rubber, a metal sheet is fixedly connected to the bottom end of the detection rod and is connected with the inner top wall of the insulating shell through a spring, a first electrical contact block is arranged on the left side of the inner lower portion of the insulating shell, and a second electrical contact block is arranged on the right side of the inner lower portion of the insulating shell.
Preferably, a storage battery and a wireless alarm transmitter are arranged at the bottom in the insulating shell, the positive pole of the storage battery is electrically connected with the wireless alarm transmitter and the first electric contact block, and the negative pole of the storage battery is electrically connected with the second electric contact block.
Based on the technical characteristics, the leakage alarm device can timely alarm when leakage occurs, and is convenient for rapidly processing the leakage of the expansion joint.
The construction of the waterproof structure comprises the following steps:
s1, arranging embedded grooves on two sides of the expansion joint, placing the embedded water stop belts in the embedded grooves, and fixing the embedded water stop belts;
s2, filling the expansion joint with polystyrene foam board as joint filling material, embedding epoxy resin type macromolecule anticorrosion waterproof material as joint filling material at the upper part of the expansion joint, and embedding water swelling water stop rubber at the lower part of the expansion joint;
s3, fixing an externally-attached water stop belt at the top of the expansion joint, pouring concrete on the externally-attached water stop belt to form an upper concrete protective layer, and spraying a quick-setting rubber asphalt waterproof layer on the top of the solidified upper concrete protective layer;
s4, selecting a sealing material, opening a placement groove on the sealing material, placing a water leakage alarm assembly in the placement groove, fixing the sealing material at the bottom of the expansion joint to form a sealing material layer, fixing a red copper water stop sheet at the bottom of the sealing material layer, spraying a sealing adhesive layer at the bottom of the red copper water stop sheet, bonding a rubber water stop belt at the bottom of the sealing adhesive layer, and pouring concrete outside the rubber water stop belt to form a lower concrete protection layer;
s5, when water seepage occurs, the water stop rubber expands, the water stop rubber presses the detection rod to move, the detection rod drives the metal sheet to move, the spring is stretched, the metal sheet is in contact with the first electric contact block and the second electric contact block, the wireless alarm transmitter is powered on and started, and the wireless alarm transmitter transmits an alarm signal to give an alarm to an external terminal.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the externally-attached water stop belt is additionally arranged on the caulking material, so that water can be effectively stopped, leakage in the expansion joint is avoided, the water leakage alarm component is arranged at the bottom of the water stop rubber, alarm can be timely performed when the expansion joint leaks, and multiple waterproof layers are arranged, so that a waterproof effect can be effectively achieved, and the expansion joint leakage is prevented from further expansion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the multiple waterproof layer structure of the present invention;
fig. 3 is a schematic structural diagram of the water leakage alarm assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a waterproof structure for an underground pipe gallery expansion joint, which comprises: the water leakage alarm device comprises a guide wall 16, an expansion joint 1, a joint filling material 2, a caulking material 3, an externally attached water stop 4, an upper concrete protection layer 5, water stop rubber 9, a sealing material layer 10, a water leakage alarm component 8, multiple waterproof layers and a lower concrete protection layer 14; through add outer formula waterstop 4 of pasting on caulking material 3, can effectively carry out the stagnant water, the seepage appears in avoiding expansion joint 1, through set up leak water warning subassembly 8 in 9 bottoms of stagnant water rubber, can in time report to the police when the seepage takes place at expansion joint 1, through setting up multiple waterproof layer, can effectively play waterproof effect, avoids 1 seepage in expansion joint to further enlarge.
Wherein the joint filling material 2 is a polystyrene plastic foam board; the caulking material 3 is epoxy resin type macromolecule anticorrosion waterproof material, long service life, construction convenience, and the life is more than fifty years, and water-proof effects is good.
The top of the upper concrete protection layer 5 is sprayed with a quick-setting rubber asphalt waterproof layer 6, so that the concrete protection layer has the advantages of good thixotropy and capability of realizing seamless bonding; stagnant water rubber 9 is for meeting water inflation stagnant water rubber, can expand when taking place the seepage, blocks up the expansion joint, avoids the seepage serious.
The multiple waterproof layers comprise red copper water stop sheets 11, the red copper water stop sheets 11 are connected with the bottom of the sealing material layer 10, sealing adhesive layers 12 are arranged at the bottoms of the red copper water stop sheets 11, and rubber water stop belts 13 are arranged at the bottoms of the sealing adhesive layers 12, so that the waterproof layer has the advantages of being good in elasticity, wear resistance, ageing resistance and tear resistance, strong in adaptive deformation capacity, good in waterproof performance and the like.
The embedded type water stop belts 7 are arranged on two sides of the expansion joint 1, and the embedded type water stop belts 7 are arranged in the flow guide wall 16.
Wherein, the water leakage alarm assembly 8 comprises an insulating shell 81, a detection rod 82 penetrates through the top of the insulating shell 81, the top end of the detection rod 82 contacts with the bottom of the water stop rubber 9, a metal sheet 87 is fixedly connected with the bottom end of the detection rod 82, the metal sheet 87 is connected with the inner top wall of the insulating shell 81 through a spring 88, a first electric contact block 83 is arranged on the left side of the inner lower part of the insulating shell 81, a second electric contact block 84 is arranged on the right side of the inner lower part of the insulating shell 81, when water leakage occurs, the water stop rubber 9 expands, the water stop rubber 9 presses the detection rod 82 to move, the detection rod 82 drives the metal sheet 87 to move, the spring 88 is stretched, the metal sheet 87 contacts with the first electric contact block 83 and the second electric contact block 84, a storage battery 85 and a wireless alarm emitter 86 are arranged on the inner bottom of the insulating shell 81, the positive pole of the storage battery 85 is electrically connected with the wireless alarm emitter 86 and the first electric contact block 83, the negative pole of the accumulator 85 is electrically connected to the second electrical contact block 84.
The construction of the waterproof structure comprises the following steps:
s1, arranging embedded grooves on two sides of the expansion joint 1, placing the embedded water stop 7 in the embedded grooves, and fixing the embedded water stop 7;
s2, filling the expansion joint 1 with a polystyrene plastic foam board as a joint filling material 2, embedding an epoxy resin type high polymer anticorrosion waterproof material as a joint filling material 3 at the upper part of the expansion joint 1, and embedding a water swelling and stopping rubber 9 at the lower part of the expansion joint 1;
s3, fixing an externally attached water stop 4 at the top of the expansion joint 1, pouring concrete on the externally attached water stop 4 to form an upper concrete protective layer 5, and spraying a quick-setting rubber asphalt waterproof layer 6 on the top of the solidified upper concrete protective layer 5;
s4, selecting a sealing material, opening a placement groove 15 on the sealing material, placing a water leakage alarm assembly 8 in the placement groove 15, fixing the sealing material at the bottom of the expansion joint 1 to form a sealing material layer 10, fixing a red copper water stop sheet 11 at the bottom of the sealing material layer 10, spraying a sealing adhesive layer 12 at the bottom of the red copper water stop sheet 11, bonding a rubber water stop belt 13 at the bottom of the sealing adhesive layer 12, and pouring concrete outside the rubber water stop belt 13 to form a lower concrete protection layer 14;
s5, when water leakage occurs, the water-stopping rubber 9 expands, the water-stopping rubber 9 presses the detection rod 82 to move, the detection rod 82 drives the metal sheet 87 to move, the spring 88 is stretched, the metal sheet 87 is in contact with the first electric contact block 83 and the second electric contact block 84, the wireless alarm transmitter 86 is powered on and started, and the wireless alarm transmitter 86 transmits an alarm signal to give an alarm to an external terminal.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a waterproof construction at underground pipe gallery expansion joint, includes guide wall (16), expansion joint (1), its characterized in that have been seted up on guide wall (16): the expansion joint is characterized in that a gap filling material (2) is arranged in the expansion joint (1), a caulking material (3) is arranged on the upper portion in the expansion joint (1), an externally-attached water stop belt (4) is arranged at the top of the expansion joint (1), an upper concrete protection layer (5) is arranged on the externally-attached water stop belt (4), water stop rubber (9) is arranged on the lower portion in the expansion joint (1), a sealing material layer (10) is arranged at the bottom of the expansion joint (1), a placing groove (15) is formed in the sealing material layer (10), a water leakage alarm assembly (8) is arranged in the placing groove (15), a multiple waterproof layer is arranged at the bottom of the sealing material layer (10), and a lower concrete protection layer (14) is arranged on the multiple waterproof layer.
2. The waterproof structure of underground gallery expansion joint of claim 1, characterized in that: the joint filling material (2) is a polystyrene plastic foam board; the caulking material (3) is an epoxy resin type high-molecular anticorrosive waterproof material.
3. The waterproof structure of underground gallery expansion joint of claim 1-2, characterized in that: and a quick-setting rubber asphalt waterproof layer (6) is sprayed on the top of the upper concrete protective layer (5).
4. The waterproof structure of underground gallery expansion joint of claims 1-3, characterized in that: the water stop rubber (9) is water-swelling water stop rubber.
5. The waterproof structure of underground gallery expansion joint of claim 1, characterized in that: the multiple waterproof layer comprises a red copper water stop sheet (11), the red copper water stop sheet (11) is connected with the bottom of the sealing material layer (10), a sealing adhesive layer (12) is arranged at the bottom of the red copper water stop sheet (11), and a rubber water stop belt (13) is arranged at the bottom of the sealing adhesive layer (12).
6. The waterproof structure of underground gallery expansion joint of claim 1, characterized in that: both sides of the expansion joint (1) are provided with embedded water stops (7), and the embedded water stops (7) are arranged in the flow guide wall (16).
7. The waterproof structure of underground gallery expansion joint of claim 1, characterized in that: leak water alarm subassembly (8) includes insulating casing (81), insulating casing (81) top has test rod (82) to pass, test rod (82) top contacts bottom stagnant water rubber (9), test rod (82) bottom fixedly connected with sheetmetal (87), the roof is connected in sheetmetal (87) and insulating casing (81) through spring (88), lower part left side is equipped with first electrical contact piece (83) in insulating casing (81), lower part right side is equipped with second electrical contact piece (84) in insulating casing (81).
8. The waterproof structure of underground gallery expansion joint of claim 7, characterized in that: the bottom in the insulating shell (81) is provided with a storage battery (85) and a wireless alarm transmitter (86), the positive pole of the storage battery (85) is electrically connected with the wireless alarm transmitter (86) and the first electric contact block (83), and the negative pole of the storage battery (85) is electrically connected with the second electric contact block (84).
9. The waterproof structure of an underground gallery expansion joint of any one of claims 1 to 8, wherein: the construction of the waterproof structure comprises the following steps:
s1, arranging embedded grooves on two sides of the expansion joint (1), placing the embedded water stop belts (7) in the embedded grooves, and fixing the embedded water stop belts (7);
s2, filling the expansion joint (1) with a polystyrene plastic foam board as a joint filling material (2), embedding an epoxy resin type high polymer anticorrosive waterproof material as a joint filling material (3) at the upper part of the expansion joint (1), and embedding a water swelling and sealing rubber (9) at the lower part of the expansion joint (1);
s3, fixing an externally-attached water stop (4) at the top of the expansion joint (1), pouring concrete on the externally-attached water stop (4) to form an upper concrete protective layer (5), and spraying a quick-setting rubber asphalt waterproof layer (6) on the top of the solidified upper concrete protective layer (5);
s4, selecting a sealing material, opening a placement groove (15) on the sealing material, placing a water leakage alarm assembly (8) in the placement groove (15), fixing the sealing material at the bottom of the expansion joint (1) to form a sealing material layer (10), fixing a red copper water stop sheet (11) at the bottom of the sealing material layer (10), spraying a sealing adhesive layer (12) at the bottom of the red copper water stop sheet (11), bonding a rubber water stop belt (13) at the bottom of the sealing adhesive layer (12), and pouring concrete outside the rubber water stop belt (13) to form a lower concrete protection layer (14);
s5, when water leakage occurs, the water-stopping rubber (9) expands, the water-stopping rubber (9) presses the detection rod (82) to move, the detection rod (82) drives the metal sheet (87) to move, the spring (88) is stretched, the metal sheet (87) is in contact with the first electric contact block (83) and the second electric contact block (84), the wireless alarm transmitter (86) is started in a power-on mode, and the wireless alarm transmitter (86) transmits an alarm signal to give an alarm to an external terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586110.0A CN113235651A (en) | 2021-05-27 | 2021-05-27 | Waterproof construction at underground pipe gallery expansion joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110586110.0A CN113235651A (en) | 2021-05-27 | 2021-05-27 | Waterproof construction at underground pipe gallery expansion joint |
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| CN113235651A true CN113235651A (en) | 2021-08-10 |
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| CN202110586110.0A Pending CN113235651A (en) | 2021-05-27 | 2021-05-27 | Waterproof construction at underground pipe gallery expansion joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863386A (en) * | 2021-08-28 | 2021-12-31 | 安徽朗凯奇建材有限公司 | Basement roof pre-closed post-cast strip waterproof structure and construction method thereof |
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| CN105970880A (en) * | 2016-05-30 | 2016-09-28 | 中建五局第三建设有限公司 | Expansion joint structure with several waterproof guards and construction method of expansion joint structure |
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN208717970U (en) * | 2018-07-25 | 2019-04-09 | 肖金燕 | A kind of modified basement roof dilatation joint waterproof structure |
| CN209891254U (en) * | 2018-12-29 | 2020-01-03 | 中国二十冶集团有限公司 | Utility tunnel movement joint waterproof construction |
| CN210621903U (en) * | 2019-08-14 | 2020-05-26 | 周兰兰 | Sewage treatment plant pond expansion joint restores structure that leaks |
| CN211006777U (en) * | 2019-11-08 | 2020-07-14 | 上海三益建筑设计有限公司 | Basement prevention of seepage structure |
| CN112721858A (en) * | 2021-02-07 | 2021-04-30 | 江苏图越电子科技有限公司 | Automatic alarm system for unbuckled safety belt |
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2021
- 2021-05-27 CN CN202110586110.0A patent/CN113235651A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2234567C1 (en) * | 2003-04-28 | 2004-08-20 | Государственное научное учреждение Поволжский научно-исследовательский институт эколого-мелиоративных технологий | Method for sealing functional joints of hydraulic structures, functional joints (variants) and glue composition for sealing thereof |
| CN105970880A (en) * | 2016-05-30 | 2016-09-28 | 中建五局第三建设有限公司 | Expansion joint structure with several waterproof guards and construction method of expansion joint structure |
| CN106930331A (en) * | 2017-04-19 | 2017-07-07 | 中建局集团第二建筑有限公司 | The waterproof construction system and its construction method at underground pipe gallery expansion joint |
| CN208717970U (en) * | 2018-07-25 | 2019-04-09 | 肖金燕 | A kind of modified basement roof dilatation joint waterproof structure |
| CN209891254U (en) * | 2018-12-29 | 2020-01-03 | 中国二十冶集团有限公司 | Utility tunnel movement joint waterproof construction |
| CN210621903U (en) * | 2019-08-14 | 2020-05-26 | 周兰兰 | Sewage treatment plant pond expansion joint restores structure that leaks |
| CN211006777U (en) * | 2019-11-08 | 2020-07-14 | 上海三益建筑设计有限公司 | Basement prevention of seepage structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863386A (en) * | 2021-08-28 | 2021-12-31 | 安徽朗凯奇建材有限公司 | Basement roof pre-closed post-cast strip waterproof structure and construction method thereof |
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Application publication date: 20210810 |