CN115126105B - Water stopping structure for elastic expansion joint of building and construction method thereof - Google Patents
Water stopping structure for elastic expansion joint of building and construction method thereof Download PDFInfo
- Publication number
- CN115126105B CN115126105B CN202210633946.6A CN202210633946A CN115126105B CN 115126105 B CN115126105 B CN 115126105B CN 202210633946 A CN202210633946 A CN 202210633946A CN 115126105 B CN115126105 B CN 115126105B
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- Prior art keywords
- elastic
- expansion joint
- building
- water stop
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a building elastic expansion joint water stop structure, which comprises an expansion joint of a building, wherein middle beams are arranged on two sides of the expansion joint, anti-slip patterns are arranged on top end walls of the middle beams on two sides, connecting bottoms are arranged on bottom end walls of the middle beams on two sides, mounting grooves are formed in the middle beams on two sides, a plurality of fixing holes are formed in inner bottom end walls of the mounting grooves, an elastic water stop plate is embedded in the expansion joint, L-shaped ends matched with the mounting grooves are arranged at two ends of the elastic water stop plate, the L-shaped ends are embedded in the mounting grooves, a rigid plate is arranged below the elastic water stop plate, two ends of the rigid plate are connected with building bodies on two sides of the expansion joint by adopting elastic pieces, an elastic epoxy mortar layer is poured between the rigid plate and the elastic water stop plate, and the connecting part of the rigid plate and the building body is filled by adopting elastic epoxy mortar. The expansion joint structure can greatly improve strength and waterproof performance on the premise of ensuring elastic expansion performance.
Description
Technical Field
The invention relates to the field of buildings, in particular to a water stopping structure of an elastic expansion joint of a building. The invention also relates to a construction method of the building elastic expansion joint water stop structure.
Background
The expansion joint of building is mainly a post-pouring strip, mainly is a structural joint which is arranged along the proper position of the building or the construction joint direction of the building because of the change of climate temperature (thermal expansion and cold contraction) of building components, and is used for dividing the building components above foundation such as wall bodies, floor slabs and roofs (except wood roofs) into two independent parts, so that the building or the structure can horizontally stretch and retract along the length direction.
The traditional expansion joint is filled with elastic materials, but the traditional expansion joint often does not have waterproof performance, if a waterproof structure is arranged, the elastic expansion deformation capacity of the expansion joint can be affected, and the installation structure of the building expansion joint is unstable.
Disclosure of Invention
The invention aims to solve the technical problem of providing an elastic expansion joint water stop structure of a building, which can greatly improve the strength and the waterproof performance on the premise of ensuring the elastic expansion performance. The invention further provides a construction method of the building elastic expansion joint water stop structure.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a building elasticity expansion joint stagnant water structure, includes the expansion joint of building, the expansion joint both sides all are equipped with the center sill, both sides center sill top end wall is equipped with the anti-skidding line, both sides center sill bottom end wall is equipped with the connection end, both sides be equipped with the mounting groove in the center sill, mounting groove inner bottom end wall is equipped with a plurality of fixed orificess, inlays in the expansion joint and is equipped with elasticity stagnant water board, elasticity stagnant water board both ends have the L shape end that matches with the mounting groove, L shape end embedding in the mounting groove, elasticity stagnant water board below is provided with the rigid plate, and the rigid plate both ends adopt the elastic component to be connected with the building body of expansion joint both sides, pour elasticity epoxy mortar layer between rigid plate and the elasticity stagnant water board, the junction of rigid plate and building body adopts elasticity epoxy mortar to fill.
As a preferred embodiment of the present invention: the two ends of the elastic piece are respectively tied with steel bars in building bodies at two sides, the elastic water stop plate and the elastic piece are made of high-elasticity rubber materials, transversely distributed expansion grooves are formed in the buildings at two sides, and two sides of the rigid plate are inserted into the expansion grooves.
As a preferred embodiment of the present invention: the lower side of the rigid plate is provided with an expansion joint lower filling groove, and the expansion joint lower filling groove is filled with elastic epoxy mortar.
As a preferred embodiment of the present invention: the front end wall and the rear end wall of the middle beam are respectively provided with a plurality of mounting holes, and each hanging ring is arranged on the two end walls of the expansion joint through the mounting holes.
As a preferred embodiment of the present invention: the two sides of the two middle beams are respectively provided with a plurality of anchoring ribs, each anchoring rib is welded and fixed with the middle beam, and the anchoring ribs are tied with the reinforcing steel bars in the building main bodies at the two sides.
As a preferred embodiment of the present invention: the side beams are arranged on the two sides of the outer end wall of the middle beam, the side beams and the middle beam are integrally formed, and a plurality of strip-shaped grooves are formed in the ground of the side beams and the ground of the middle beam.
As a preferred embodiment of the present invention: the fixing holes penetrate through the bottom end walls of the middle beams at the two sides to the mounting groove, the fixing holes are threaded holes, the fixing holes are provided with tight-pushing studs, and the tight-pushing studs are propped against the elastic water stop plate.
The construction method of the building elastic expansion joint water stop structure provided by the invention comprises the following steps:
1. the middle beams at two sides are adopted to be fixed with the main building into a whole;
2. respectively inserting two ends of the elastic water stop plate into the mounting grooves, and tightly propping the elastic water stop plate by screwing the tightly propping studs into the fixing holes;
3. the main buildings on two sides below the elastic water stop plate are provided with transversely distributed telescopic grooves, two ends of the rigid plate are connected with elastic pieces, the elastic pieces are connected with steel bars in the main buildings, and two ends of the rigid plate are respectively inserted into the telescopic grooves;
4. elastic epoxy mortar is adopted to fill up the expansion joint lower filling groove at the lower side of the rigid plate;
5. and (3) mounting and surrounding the rigid sheet and the elastic water stop plate by adopting a template, and pouring elastic epoxy mortar and solidifying to form an elastic epoxy mortar layer.
As a preferred embodiment of the present invention: the expansion joint is characterized in that the main bodies on two sides of the expansion joint are reserved with reinforcing steel bar ends during construction, a plurality of anchoring ribs are arranged on two sides of the two middle beams, each anchoring rib is welded and fixed with the middle beam, and the anchoring ribs are fixedly connected with the reinforcing steel bar ends in the building main bodies on two sides.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the rigid plate is arranged below the elastic water stop plate, the two ends of the rigid plate are connected with the building main bodies at the two sides of the expansion joint by adopting the elastic parts, and the elastic epoxy mortar layer is poured between the rigid plate and the elastic water stop plate, wherein the rigid plate is usually a steel plate, so that the water stop effect can be achieved, the positions of the rigid plate can be effectively maintained after the elastic parts are tied with the main body steel bars, the rigid plate has the capability of stretching left and right in an elastic manner, and the waterproof capability can be effectively improved and better strength can be maintained because the rigid plate and the elastic structure thereof are poured and enclosed in the elastic epoxy mortar.
2. The waterproof rubber belt is adopted as the elastic water stop plate, the two ends of the waterproof rubber belt are provided with L-shaped ends matched with the mounting grooves, the L-shaped ends are embedded into the mounting grooves to form a mutually hooked connection structure, after the elastic water stop plate is mounted, the waterproof rubber belt can be reinforced and fixed through the bolt penetrating through the fixing hole, falling off in the later use process is avoided, and the practicability and the functionality of the waterproof rubber belt are effectively improved.
3. The boundary beam has multichannel bar recess with the well roof beam ground, and boundary beam, well roof beam are unanimous with building expansion joint material, when building expansion joint installation was pour, can effectively improve building expansion joint and elastic epoxy mortar layer's connection fastness through bottom bar recess structure to improve building expansion joint's installation dynamics, effectively improve its joint strength and stability.
Drawings
FIG. 1 is a schematic sectional view of a water stop construction for an elastic expansion joint of a building according to the present invention;
FIG. 2 is a schematic perspective view of the expansion joint of FIG. 1;
fig. 3 is a schematic structural view of the center sill, the side sill, the elastic water stop plate and the expansion joint in fig. 2.
Fig. 4 is a schematic structural view of fig. 3 after the elastic water stop plate is removed.
Fig. 5 is a partially enlarged schematic view at B in fig. 4.
In the figure: 1. an expansion joint; 2. a center sill; 22. edge beams; 25. a mounting groove; 251. a fixing hole; 26. a mounting hole; 3. a hanging ring; 4. an anchoring rib; 5. an elastic water stop plate; 6. a rigid plate; 7. an elastic member; 8. an elastic epoxy mortar layer; 9. a telescopic slot; 10. the expansion joint is filled with a groove; 11. a strip-shaped groove, wherein the strip-shaped groove is provided with a strip-shaped groove,
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 5, in the embodiment of the invention, an elastic expansion joint water stop structure of a building comprises an expansion joint 1 of the building, wherein center sills 2 are arranged on two sides of the expansion joint 1, anti-slip patterns 21 are arranged on top end walls of the center sills 2 on two sides, connecting bottoms 23 are arranged on bottom end walls of the center sills 2 on two sides, mounting grooves 25 are arranged in the center sills 2, a plurality of fixing holes 251 are arranged on inner bottom end walls of the mounting grooves 25, an elastic water stop plate 5 is embedded in the expansion joint 1, L-shaped ends matched with the mounting grooves 25 are arranged on two ends of the elastic water stop plate, the L-shaped ends are embedded in the mounting grooves 25, a rigid plate 6 is arranged below the elastic water stop plate 5, two ends of the rigid plate 6 are connected with building bodies on two sides of the expansion joint 1 by adopting elastic members 7, elastic epoxy mortar layers 8 are poured between the rigid plate 6 and the elastic water stop plate 5, connecting parts of the rigid plate 6 and the building bodies are filled by adopting elastic epoxy mortar, two ends of the elastic members 7 are respectively tied with reinforcing steel bars in the building bodies on two sides, the two sides of the rigid plate 5 and the elastic water stop plate 7 are embedded in the expansion joint grooves 10 by adopting the elastic water stop plates, the elastic water stop plates are filled in the expansion joint grooves 10, and the expansion joint layers are filled by adopting the elastic water stop plates 10, and the expansion joint layers are filled under the expansion joint layers and the expansion joint layers are filled by the elastic materials. This configuration can enhance the strength of the rigid plate 6 bonded to the main body while maintaining the elastic deformability.
Referring to fig. 4-5, for easy installation of the elastic water stop plate 5, a plurality of mounting holes 26 are provided on the front and rear end walls of the center sill 2, and each suspension ring 3 is installed on two end walls of the expansion joint 1 through the mounting holes 26. When the main body structure of the building expansion joint 1 is installed, the building expansion joint 1 can be lifted by the lifting ring 3 and then placed in an installation area, after the use is finished, the building expansion joint 1 can be detached, the installation convenience is effectively improved, and after the building expansion joint 1 is placed in the installation area, the building expansion joint 1 is fixedly connected with a main body reinforcing steel bar of a building through the anchoring rib 4 so as to realize the fixed limit of the building expansion joint 1.
Referring to fig. 1-5, in order to make the installation of the elastic water stop plate 5 more firm and the combination of the expansion joint structure and the main body more firm, the fixing holes 251 penetrate through the bottom end walls of the middle beams 2 at both sides into the installation groove 25, the fixing holes 251 are threaded holes, and the fixing holes 251 are provided with tight-propped studs, and the tight-propped studs prop against the elastic water stop plate 5. The two sides of the two middle beams 2 are respectively provided with a plurality of anchoring ribs 4, each anchoring rib 4 is welded and fixed with the middle beam, and the anchoring ribs 4 are tied with the reinforcing steel bars in the building main bodies at the two sides. The two sides the outer end wall of the middle beam 2 is provided with a side beam 22, the side beam 22 and the middle beam 2 are integrally formed, and the side beam 22 and the ground of the middle beam 2 are provided with a plurality of strip-shaped grooves 11.
Referring to fig. 1-5, the construction method of the water stop structure of the elastic expansion joint of the building provided by the invention comprises the following steps:
1. the middle beams 2 on two sides are adopted to be fixed with the main building into a whole; a plurality of anchoring ribs 4 are arranged on two sides of the two middle beams 2, each anchoring rib 4 is welded and fixed with the middle beam, and the anchoring ribs 4 are fixedly connected with the ends of the reinforcing steel bars in the building main bodies on two sides;
2. two ends of the elastic water stop plate 5 are respectively inserted into the mounting grooves 25, and the elastic water stop plate 5 is tightly propped by screwing the tightly propped studs into the fixing holes 251;
3. the main buildings at the two sides below the elastic water stop plate 5 are provided with transversely distributed telescopic grooves 9, two ends of the rigid plate 6 are connected with elastic pieces 7, the elastic pieces 7 are connected with steel bars in the main buildings, and two ends of the rigid plate 6 are respectively inserted into the telescopic grooves 9; the main bodies on two sides of the expansion joint 1 are reserved with reinforcing steel bar ends during construction, and the elastic piece 7 is connected with the reinforcing steel bar ends.
4. Elastic epoxy mortar is adopted to fill up the expansion joint lower filling groove 10 at the lower side of the rigid plate 6;
5. and (3) mounting and surrounding the rigid sheet 6 and the elastic water stop plate 5 by adopting a template, and pouring elastic epoxy mortar and solidifying to form an elastic epoxy mortar layer 8.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a building elasticity expansion joint stagnant water structure, includes expansion joint (1) of building, its characterized in that: the expansion joint is characterized in that middle beams (2) are arranged on two sides of the expansion joint (1), anti-slip lines (21) are arranged on the top end wall of the middle beams (2), connecting bottoms (23) are arranged on the bottom end wall of the middle beams (2), mounting grooves (25) are formed in the middle beams (2), a plurality of fixing holes (251) are formed in the inner bottom end wall of each mounting groove (25), elastic water stop plates are embedded in the expansion joint (1), L-shaped ends matched with the mounting grooves (25) are arranged at two ends of each elastic water stop plate, rigid plates (6) are embedded in the mounting grooves (25), elastic pieces (7) are arranged below the two ends of each rigid plate (6) and the building main bodies on two sides of the expansion joint (1), elastic epoxy mortar layers (8) are poured between the rigid plates (6) and the elastic water stop plates (5), and the connecting portions of the rigid plates (6) and the building main bodies are filled with elastic epoxy mortar.
2. The building elastic expansion joint water stop construction according to claim 1, wherein: the two ends of the elastic piece (7) are respectively tied with steel bars in building bodies at two sides, the elastic water stop plate (5) and the elastic piece (7) are made of high-elasticity rubber materials, the building bodies at two sides are provided with expansion grooves which are transversely distributed, and two sides of the rigid plate (6) are inserted into the expansion grooves (9).
3. The building elastic expansion joint water stop construction according to claim 2, wherein: the lower side of the rigid plate is provided with an expansion joint lower filling groove (10), and the expansion joint lower filling groove (10) is filled with elastic epoxy mortar.
4. The building elastic expansion joint water stop construction according to claim 1 or 2 or 3, wherein: the front end wall and the rear end wall of the middle beam (2) are respectively provided with a plurality of mounting holes (26), and each hanging ring (3) is arranged on the two end walls of the expansion joint (1) through the mounting holes (26).
5. The building elastic expansion joint water stop construction according to claim 1 or 2 or 3, wherein: the two sides of the two middle beams (2) are respectively provided with a plurality of anchoring ribs (4), each anchoring rib (4) is welded and fixed with the middle beam (2), and the anchoring ribs (4) are tied with the reinforcing steel bars in the building main bodies at the two sides.
6. The building elastic expansion joint water stop construction according to claim 4, wherein: the two sides of the two middle beams (2) are respectively provided with a plurality of anchoring ribs (4), each anchoring rib (4) is welded and fixed with the middle beam (2), and the anchoring ribs (4) are tied with the reinforcing steel bars in the building main bodies at the two sides.
7. The building elastic expansion joint water stop construction according to claim 1 or 2 or 3, wherein: both sides the outer end wall of well roof beam (2) all is equipped with boundary beam (22), just boundary beam (22) and well roof beam (2) integrated into one piece, boundary beam (22) and well roof beam (2) ground have multichannel bar recess (11).
8. The building elastic expansion joint water stop construction according to claim 1 or 2 or 3, wherein: the fixing holes (251) penetrate through the bottom end walls of the middle beams (2) on the two sides into the mounting grooves (25), the fixing holes (251) are threaded holes, the fixing holes (251) are provided with tight-jacking studs, and the tight-jacking studs are propped against the elastic water stop plates (5).
9. A method of constructing a water stop construction for a building elastic expansion joint as claimed in claim 1, wherein: the method comprises the following steps:
1. the middle beams (2) at two sides are adopted to be fixed with the main building into a whole;
2. two ends of the elastic water stop plate are respectively inserted into the mounting grooves (25), and the elastic water stop plate (5) is tightly propped by screwing the tightly propped studs into the fixing holes (251);
3. the main buildings at the two sides below the elastic water stop plate (5) are provided with transversely distributed telescopic grooves (9), two ends of the rigid plate (6) are connected with elastic pieces (7), the elastic pieces (7) are connected with steel bars in the main buildings, and two ends of the rigid plate (6) are respectively inserted into the telescopic grooves (9);
4. elastic epoxy mortar is adopted to fill up the expansion joint lower filling groove (10) at the lower side of the rigid plate (6);
5. and (3) surrounding the rigid sheet (6) and the elastic water stop plate (5) by adopting a template, and pouring elastic epoxy mortar into the template and solidifying the template to form an elastic epoxy mortar layer (8).
10. The construction method of the building elastic expansion joint water stop structure according to claim 9, wherein: the steel bar end is reserved when the main bodies on two sides of the expansion joint (1) are constructed, a plurality of anchoring ribs (4) are arranged on two sides of the two middle beams (2), each anchoring rib (4) is welded and fixed with the middle beam (2), and the anchoring ribs (4) are fixedly connected with the steel bar end in the main bodies of the buildings on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633946.6A CN115126105B (en) | 2022-06-06 | 2022-06-06 | Water stopping structure for elastic expansion joint of building and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210633946.6A CN115126105B (en) | 2022-06-06 | 2022-06-06 | Water stopping structure for elastic expansion joint of building and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115126105A CN115126105A (en) | 2022-09-30 |
| CN115126105B true CN115126105B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210633946.6A Active CN115126105B (en) | 2022-06-06 | 2022-06-06 | Water stopping structure for elastic expansion joint of building and construction method thereof |
Country Status (1)
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| CN (1) | CN115126105B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293588Y (en) * | 1996-04-11 | 1998-10-07 | 张玉恒 | Expanding apparatus for expansion joint of bridge deck |
| EP1469128A1 (en) * | 2003-04-16 | 2004-10-20 | Hebag AG | Waterproof expansion joint construction |
| JP2007205057A (en) * | 2006-02-02 | 2007-08-16 | Takemoru Kogyo Kk | Mortar wall finishing method |
| KR20090005049U (en) * | 2007-11-22 | 2009-05-27 | 두우균 | Precast concrete culvert block |
| CN205775824U (en) * | 2016-06-17 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | There is the retractor device that arcuate resilient connects |
| CN107815963A (en) * | 2017-10-30 | 2018-03-20 | 深圳市威士邦建筑新材料科技有限公司 | A kind of bridge expanssion joint |
| CN212835254U (en) * | 2020-08-06 | 2021-03-30 | 中国水利水电科学研究院 | Expansion joint double water-stop seepage-proofing structure for water delivery aqueduct project |
| CN112900655A (en) * | 2021-01-25 | 2021-06-04 | 檀金红 | Waterproof deformation joint structure for building construction and construction method thereof |
| CN215330578U (en) * | 2021-07-29 | 2021-12-28 | 黄波 | Civil engineering expansion joint waterproof construction |
| CN215668993U (en) * | 2021-08-24 | 2022-01-28 | 吉林市市政建设集团有限公司 | Tensile high-strength bridge expansion joint structure |
-
2022
- 2022-06-06 CN CN202210633946.6A patent/CN115126105B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293588Y (en) * | 1996-04-11 | 1998-10-07 | 张玉恒 | Expanding apparatus for expansion joint of bridge deck |
| EP1469128A1 (en) * | 2003-04-16 | 2004-10-20 | Hebag AG | Waterproof expansion joint construction |
| JP2007205057A (en) * | 2006-02-02 | 2007-08-16 | Takemoru Kogyo Kk | Mortar wall finishing method |
| KR20090005049U (en) * | 2007-11-22 | 2009-05-27 | 두우균 | Precast concrete culvert block |
| CN205775824U (en) * | 2016-06-17 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | There is the retractor device that arcuate resilient connects |
| CN107815963A (en) * | 2017-10-30 | 2018-03-20 | 深圳市威士邦建筑新材料科技有限公司 | A kind of bridge expanssion joint |
| CN212835254U (en) * | 2020-08-06 | 2021-03-30 | 中国水利水电科学研究院 | Expansion joint double water-stop seepage-proofing structure for water delivery aqueduct project |
| CN112900655A (en) * | 2021-01-25 | 2021-06-04 | 檀金红 | Waterproof deformation joint structure for building construction and construction method thereof |
| CN215330578U (en) * | 2021-07-29 | 2021-12-28 | 黄波 | Civil engineering expansion joint waterproof construction |
| CN215668993U (en) * | 2021-08-24 | 2022-01-28 | 吉林市市政建设集团有限公司 | Tensile high-strength bridge expansion joint structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115126105A (en) | 2022-09-30 |
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