CN111622364A - Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure - Google Patents
Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure Download PDFInfo
- Publication number
- CN111622364A CN111622364A CN202010516911.5A CN202010516911A CN111622364A CN 111622364 A CN111622364 A CN 111622364A CN 202010516911 A CN202010516911 A CN 202010516911A CN 111622364 A CN111622364 A CN 111622364A
- Authority
- CN
- China
- Prior art keywords
- layer
- expansion joint
- waterproof
- water
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- E04B2001/6818—Joints with swellable parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of building expansion joints, in particular to a waterproof structure of an expansion joint, a waterproof construction structure and a construction method of the waterproof structure. Set gradually water leak-proof layer, water swelling stagnant water adhesive tape, elastic waterproof layer, first resistant glue film of waiting, fixed bed, the resistant glue film of second waiting, filling layer, non-curing waterproof glue film and steel sheet in expansion joint structure inside, the different waterproof performance, the adhesion properties, intensity and the toughness that provide through each layer material cooperation not only can realize excellent water-proof effects, can also make the expansion joint keep its original function and realize more optimized expansion joint function even. Through processing the expansion joint into the narrow step form in the wide bottom in top, can play better inhibitory action to the moisture that oozes, realize better prevention of seepage water performance.
Description
Technical Field
The invention relates to the technical field of building expansion joints, in particular to a waterproof structure of an expansion joint, a waterproof construction structure and a construction method of the waterproof construction structure.
Background
The expansion joint is a structural joint which is arranged along a proper position of a building or a construction joint direction of the building in order to prevent the structure from generating cracks or damages due to climate temperature changes (thermal expansion and cold contraction). The expansion joint divides building components above a foundation such as a wall, a floor and a roof (except a wooden roof) into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction.
When the length of the building ground is too long, cracks are easy to generate due to thermal expansion and cold contraction, and usually the expansion joints are arranged at a certain distance to prevent the structural slab from cracking, especially in an underground garage. At present underground garage generally all is provided with the expansion joint, has laid the V shaped steel board in the top at the expansion joint, has pour a layer of concrete on the V shaped steel board, and this concrete layer parcel lives V shaped steel board and forms wear-resisting terrace. Although the V-shaped steel plate wrapped with concrete can play a role in preventing water leakage and water leakage, when a vehicle runs through the vehicle, the steel plate is easy to deform due to the gravity rolling of the vehicle, and the expansion joint is influenced to play a role in preventing water leakage and expansion. In addition, moisture remains in the expansion joint for a long time, so that erosion and damage to the expansion joint structure are easily caused.
Disclosure of Invention
The invention aims to provide a waterproof structure for an expansion joint, a waterproof construction structure and a construction method thereof, so as to solve the problems in the prior art in the background technology.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the invention provides a waterproof construction structure for an expansion joint, which comprises a drain pipe inserted into the expansion joint, and a water non-leakage layer, an elastic waterproof layer, a fixing layer, a second weather-resistant adhesive layer and a filling layer which are sequentially arranged upwards from the bottom end of the expansion joint; one end of the drain pipe extends into the bottom of the expansion joint, and the other end of the drain pipe extends out of the top of the expansion joint.
The invention provides a waterproof structure of an expansion joint, which comprises a grouting layer, a water-tight layer, an elastic waterproof layer, a fixing layer, a second weather-resistant glue layer and a filling layer which are sequentially arranged upwards from the bottom end of the expansion joint.
On the basis of the technical scheme, the expansion joint is processed into a step shape with a wide top and a narrow bottom.
On the basis of the technical scheme, the elastic waterproof layer adopts asphalt-grade ointment or water-blocking environment-friendly leakage-preventing glue.
On the basis of the technical scheme, the fixing layer is made of steel wire meshes or glass fiber cloth and is fixed by expansion bolts, and the expansion bolts penetrate through the fixing layer and fix the fixing layer on the bottom plate.
On the basis of the technical scheme, a water-swelling water-stopping adhesive tape which expands when encountering water is arranged between the water non-leakage layer and the elastic waterproof layer.
On the basis of the technical scheme, a first weather-resistant glue layer is arranged between the elastic waterproof layer and the fixing layer.
On the basis of the technical scheme, the filler in the filler layer is polymer waterproof mortar.
On the basis of the technical scheme, the top end of the filling material layer is provided with a non-curing waterproof adhesive layer, and the top end of the non-curing waterproof adhesive layer is flush with the top end of the expansion joint.
On the basis of the technical scheme, a steel plate is laid on the top end of the non-curing waterproof glue layer.
The invention also provides a construction method of the waterproof structure of the expansion joint, which comprises the following steps:
s1, inserting a drain pipe into the expansion joint structure, wherein one end of the drain pipe is arranged at the bottom of the expansion joint, and the other end of the drain pipe extends out of the top of the expansion joint;
s2, paving a non-leakage layer, an elastic waterproof layer and a fixing layer from the bottom end of the expansion joint upwards in sequence; then fixing the fixed layer on the bottom plate through expansion bolts;
s3, laying a second weather-resistant glue layer and a filling layer on the top end of the fixing layer in sequence;
s4, discharging water in the expansion joint through a drain pipe, and after the water is discharged, grouting in the drain pipe to form a grouting layer; and after grouting, the drain pipe is drawn out from the inside of the expansion joint or the part of the drain pipe extending out of the top of the expansion joint is cut off.
The technical scheme provided by the invention has the beneficial effects that:
1. set gradually water leak-proof layer, water swelling stagnant water adhesive tape, elastic waterproof layer, first resistant glue film of waiting, fixed bed, the resistant glue film of second waiting, filling layer, non-curing waterproof glue film and steel sheet in expansion joint structure inside, the different waterproof performance, the adhesion properties, intensity and the toughness that provide through each layer material cooperation not only can realize excellent water-proof effects, can also make the expansion joint keep its original function and realize more optimized expansion joint function even.
2. Through processing the expansion joint into the narrow step form in the wide bottom in top, can play better inhibitory action to the moisture that oozes, realize better prevention of seepage water performance.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a schematic view of a waterproof construction structure for an expansion joint according to an embodiment of the present invention;
fig. 3 is a schematic view of a waterproof construction structure for an expansion joint in the second embodiment of the present invention;
fig. 4 is a schematic view of a waterproof construction structure for an expansion joint in the third embodiment of the present invention;
fig. 5 is a schematic view of a waterproof structure of an expansion joint in the third embodiment of the present invention;
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It is to be understood that the various starting materials of the present invention are commercially available, unless otherwise specified.
Example one
As shown in fig. 1 and 2, a bottom plate is disposed on the ground, a space is reserved between two adjacent bottom plates to form an expansion joint structure, and a waterproof layer is laid between the bottom plates and the ground.
The embodiment provides a waterproof construction structure for an expansion joint, which comprises a drain pipe 2 inserted into the expansion joint 1, and a water non-leakage layer 3, an elastic waterproof layer 4, a fixed layer 5, a second weather-resistant adhesive layer 6 and a filling layer 7 which are sequentially arranged upwards from the bottom end of the expansion joint 1; one end of the drain pipe 2 extends into the bottom of the expansion joint 1, and the other end extends out of the top of the expansion joint 1.
The embodiment provides an expansion joint waterproof construction, including grouting layer 12, the waterproof layer 3 that does not leak water, elasticity waterproof layer 4, fixed layer 5, the second weather resistant glue film 6 and the filling layer 7 that upwards sets gradually from 1 bottom in expansion joint.
The water-tight layer 3 is made of quick-setting water-tight material, can realize construction with water, is quick in bonding, high in anti-permeability strength and good in water resistance, and has a good waterproof effect. The elastic waterproof layer 4 adopts asphalt-grade ointment or water-plugging environment-friendly leakage-stopping glue, has good waterproof performance and better elastic performance, and is suitable for different deformation. The fixing layer 5 is made of steel wire mesh or glass fiber cloth and is fixed by expansion bolts, and the expansion bolts penetrate through the fixing layer 5 and fix the fixing layer 5 on the bottom plate 8; the expansion bolts are fixedly arranged at the edge of the fixed layer 5 to fix the fixed layer 5 on the bottom plate. The fixing layer 5 can reinforce the water-tight layer 3 and the elastic waterproof layer 4 which are paved, and has good coverage on various surfaces and strong tensile property. The second weather-resistant adhesive layer 6 is made of polyurethane, so that the waterproof effect is achieved, and the second weather-resistant adhesive layer has high tensile strength, excellent elasticity, wear resistance and the like. The filler in the filler layer 7 is polymer waterproof mortar, so that the adhesive strength to various base surfaces is high and the flexibility is certain.
The embodiment also provides a construction method of the waterproof structure of the expansion joint, which comprises the following steps:
s1, inserting a drain pipe 2 into the expansion joint 1 structure, wherein one end of the drain pipe 2 is arranged at the bottom of the expansion joint 1, and the other end of the drain pipe 2 extends out of the top of the expansion joint 1;
s2, paving a non-leakage layer 3, an elastic waterproof layer 4 and a fixed layer 5 from the bottom end of the expansion joint 1 to the top in sequence; then fixing the fixed layer 5 on the bottom plate 8 through expansion bolts;
s3, laying a second weather-resistant glue layer 6 and a filling layer 7 on the top end of the fixed layer 5 in sequence;
s4, discharging water in the expansion joint 1 through a drain pipe, and after the water is discharged, grouting in the drain pipe to form a grouting layer 12; and after grouting, the drain pipe 2 is drawn out from the inside of the expansion joint or the part of the drain pipe extending out of the top of the expansion joint 1 is cut off.
Example two
As shown in fig. 3, on the basis of the first embodiment, on the basis of the above technical solution, the expansion joint 1 is processed into a step shape with a wide top and a narrow bottom. Through setting up expansion joint 1 inner structure into the step form, can play better inhibiting action to the inside moisture that upwards oozes at expansion joint 1, realize better prevention of seepage water performance.
EXAMPLE III
On the basis of the second embodiment, as shown in fig. 4 and 5, on the basis of the above scheme, the water-swelling water-stopping adhesive tape 9 is arranged between the water-tight layer 3 and the elastic waterproof layer 4, and the water-swelling water-stopping adhesive tape 9 is a unique rubber product, generates large swelling deformation after meeting water, can fill all irregular surfaces and gaps of the joint, generates huge contact pressure, and has a very good anti-leakage effect.
On the basis of the technical scheme, a first weather-resistant glue layer 10 is arranged between the elastic waterproof layer 4 and the fixed layer 5. More preferably, the first weather-resistant adhesive layer 10 is made of polyurethane, so that moisture leakage in the expansion joint can be further prevented.
On the basis of the technical scheme, the top end of the filling material layer 7 is provided with the non-cured waterproof adhesive layer 11, and the top end of the non-cured waterproof adhesive layer 11 is flush with the top end of the expansion joint 1. More preferably, the non-cured adhesive layer is a butyl waterproof adhesive tape, which is a non-cured self-adhesive waterproof sealing adhesive tape, has extremely strong adhesive force to surfaces of various materials, has excellent weather resistance, aging resistance and waterproofness, and can bond the polymer waterproof mortar and the base plate, thereby avoiding the influence of gaps on the waterproofness.
More preferably, the steel plate is laid at the top end of the expansion joint 1, so that the expansion joint and the internal waterproof structure can be protected, and damage to the expansion joint and the internal waterproof structure caused by gravity compaction of a vehicle in the driving process is reduced.
The embodiment also provides a construction method of the waterproof structure of the expansion joint, which comprises the following steps:
s1, inserting a drain pipe 2 into the expansion joint 1 structure, wherein one end of the drain pipe 2 is arranged at the bottom of the expansion joint 1, and the other end of the drain pipe 2 extends out of the top of the expansion joint 1;
s2, paving a leakproof layer 3, a water swelling and water stopping adhesive tape 9, an elastic waterproof layer 4, a first weather-resistant adhesive layer 10 and a fixing layer 5 from the bottom end of the expansion joint 1 to the top in sequence; then fixing the fixed layer 5 on the bottom plate 8 through expansion bolts;
s3, laying a second weather-resistant glue layer 6, a filling layer 7 and a non-curing waterproof glue layer 11 on the top end of the fixing layer 5 in sequence;
s4, discharging water in the expansion joint 1 through a drain pipe, and after the water is discharged, grouting in the drain pipe to form a grouting layer 12; after grouting, the drain pipe 2 is drawn out from the interior of the expansion joint or the part of the drain pipe extending out of the top of the expansion joint 1 is cut off; and finally, laying a layer of steel plate at the top end of the expansion joint structure.
Set gradually water leak-proof layer, water swelling stagnant water adhesive tape, elastic waterproof layer, first resistant glue film of waiting, fixed bed, the resistant glue film of second waiting, filling layer, non-curing waterproof glue film and steel sheet in expansion joint structure inside, the different waterproof performance, the adhesion properties, intensity and the toughness that provide through each layer material cooperation not only can realize excellent water-proof effects, can also make the expansion joint keep its original function and realize the flexible function of more optimization even.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A waterproof construction structure for an expansion joint is characterized by comprising a drain pipe (2) inserted into the expansion joint (1), and a water non-leakage layer (3), an elastic waterproof layer (4), a fixed layer (5), a second weather-resistant adhesive layer (6) and a filling layer (7) which are sequentially arranged upwards from the bottom end of the expansion joint (1); one end of the drain pipe (2) extends into the bottom of the expansion joint (1), and the other end of the drain pipe extends out of the top of the expansion joint (1).
2. The utility model provides an expansion joint waterproof construction, its characterized in that includes grouting layer (12), water leak-proof layer (3), elastic waterproof layer (4), fixed bed (5), second weather resistant glue film (6) and filling layer (7) that upwards set gradually from expansion joint (1) bottom.
3. The waterproof structure for expansion joint as claimed in claim 2, wherein the expansion joint (1) is formed in a step shape with a wide top and a narrow bottom.
4. The waterproof structure for expansion joints according to claim 2, characterized in that the elastic waterproof layer (4) is made of asphalt-grade ointment or indium water to protect leakage of glue.
5. The waterproof structure for the expansion joint as claimed in claim 2, wherein the fixing layer (5) is made of steel wire mesh or fiberglass cloth and is fixed by expansion bolts, and the expansion bolts penetrate through the fixing layer (5) and fix the fixing layer (5) on the bottom plate (8).
6. The waterproof structure for expansion joints according to claim 2, wherein a water-swelling water-stopping adhesive tape (9) is arranged between the water-impermeable layer (3) and the elastic waterproof layer (4).
7. The waterproof structure for expansion joints according to claim 2, wherein a first weather-resistant adhesive layer (10) is arranged between the elastic waterproof layer (4) and the fixing layer (5).
8. The waterproof structure for an expansion joint according to claim 2, wherein the filler in the filler layer (7) is polymer waterproof mortar.
9. The waterproof structure for expansion joints according to claim 8, characterized in that the top end of the filler layer (7) is provided with a non-cured waterproof adhesive layer (11), and the top end of the non-cured waterproof adhesive layer (11) is flush with the top end of the expansion joint (1).
10. A construction method of an expansion joint waterproof structure according to any one of claims 2 to 9, characterized by comprising the steps of:
s1, inserting a drain pipe (2) into the expansion joint (1), wherein one end of the drain pipe (2) is arranged at the bottom of the expansion joint (1), and the other end of the drain pipe extends out of the top of the expansion joint (1);
s2, paving a non-leakage layer (3), an elastic waterproof layer (4) and a fixing layer (5) from the bottom end of the expansion joint (1) upwards in sequence; then fixing the fixed layer (5) on the bottom plate (8) through expansion bolts;
s3, laying a second weather-resistant glue layer (6) and a filling layer (7) on the top end of the fixing layer (5) in sequence;
s4, discharging water in the expansion joint (1) through a drain pipe, and after the water is discharged, grouting in the drain pipe to form a grouting layer; and after grouting, the drain pipe (2) is drawn out from the inside of the expansion joint or the part of the drain pipe extending out of the top of the expansion joint (1) is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516911.5A CN111622364A (en) | 2020-06-09 | 2020-06-09 | Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010516911.5A CN111622364A (en) | 2020-06-09 | 2020-06-09 | Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111622364A true CN111622364A (en) | 2020-09-04 |
Family
ID=72270310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010516911.5A Pending CN111622364A (en) | 2020-06-09 | 2020-06-09 | Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111622364A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485586A1 (en) * | 1980-06-26 | 1981-12-31 | Fovarosi Vizmuvek | Watertight seal between prefab. concrete building components - is formed by hose placed in channel between components and filled with cement under pressure |
| CN202248308U (en) * | 2011-09-22 | 2012-05-30 | 常州市鼎达建筑新技术有限公司 | Anti-seepage device for deformation joint of concrete structure |
| CN108517898A (en) * | 2018-03-26 | 2018-09-11 | 中交路桥北方工程有限公司 | The construction method of uplift pile and bottom plate seam crossing waterproof construction |
| CN109487756A (en) * | 2018-01-20 | 2019-03-19 | 深圳市深水水务咨询有限公司 | The repairing structure and its construction method at the expansion joint of pressurized water transmission box culvert |
| CN210104771U (en) * | 2019-03-29 | 2020-02-21 | 中国水利水电第十四工程局有限公司 | Be arranged in rich water stratum precipitation well plugging device |
-
2020
- 2020-06-09 CN CN202010516911.5A patent/CN111622364A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2485586A1 (en) * | 1980-06-26 | 1981-12-31 | Fovarosi Vizmuvek | Watertight seal between prefab. concrete building components - is formed by hose placed in channel between components and filled with cement under pressure |
| CN202248308U (en) * | 2011-09-22 | 2012-05-30 | 常州市鼎达建筑新技术有限公司 | Anti-seepage device for deformation joint of concrete structure |
| CN109487756A (en) * | 2018-01-20 | 2019-03-19 | 深圳市深水水务咨询有限公司 | The repairing structure and its construction method at the expansion joint of pressurized water transmission box culvert |
| CN108517898A (en) * | 2018-03-26 | 2018-09-11 | 中交路桥北方工程有限公司 | The construction method of uplift pile and bottom plate seam crossing waterproof construction |
| CN210104771U (en) * | 2019-03-29 | 2020-02-21 | 中国水利水电第十四工程局有限公司 | Be arranged in rich water stratum precipitation well plugging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110878700B (en) | Tunnel waterproof structure and construction method thereof | |
| CN101307622B (en) | Water proof method for underground structure top board expansion joint also serving as urban roads base and the structure | |
| CN112376620A (en) | Waterproof treatment method for side wall of underground building structure by reverse construction joint | |
| CN208533580U (en) | A kind of water proof structure of Underground Construction seam | |
| CN107514016A (en) | A kind of concavo-convex folded plate biting connecions deformation joint structure | |
| CN212641729U (en) | High-strength basement side wall heat-insulation waterproof structure with water guide groove | |
| CN210797919U (en) | Waterproof structure of wall deformation joint | |
| CN111622364A (en) | Waterproof structure for expansion joint, waterproof construction structure and construction method of waterproof construction structure | |
| CN208534504U (en) | A kind of tunnel dilatation joint waterproof structure | |
| CN214168804U (en) | Culvert and culvert body structure thereof | |
| CN211597830U (en) | Roof gap repairing structure | |
| CN215166641U (en) | Vertical waterproof construction of assembled compound incubation externally-hung wallboard | |
| CN112281860B (en) | Inner lining wall structure and construction method thereof | |
| CN204645097U (en) | A kind of hydro-expansive rubber repairs deformation joint structure | |
| CN210685471U (en) | Cracked brick wall bearing capacity recovery structure and building | |
| CN208870199U (en) | A kind of side wall waterproof structure for deformation seams | |
| CN113006155A (en) | Basement roof deformation joint waterproof system and waterproof process | |
| CN212866667U (en) | Side income formula prefabricated rainwater fill mounting structure | |
| CN207194037U (en) | A kind of waterproof construction of pipe gallery movement joint | |
| CN216405508U (en) | Waterproof structure of outer wall of underground building structure | |
| CN110565699A (en) | box culvert type basement automobile ramp bottom plate settlement joint construction method | |
| CN219569205U (en) | Deformation joint waterproof structure | |
| CN220848930U (en) | Concrete structure seam seepage repair reinforcing structure | |
| CN220927942U (en) | Large-section assembled steel pipe gallery | |
| CN220132965U (en) | Leakage-proof structure for deformation joint of underground outdoor wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |