CN109914623B - Waterproof structure of deformation joint - Google Patents
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- CN109914623B CN109914623B CN201910234988.0A CN201910234988A CN109914623B CN 109914623 B CN109914623 B CN 109914623B CN 201910234988 A CN201910234988 A CN 201910234988A CN 109914623 B CN109914623 B CN 109914623B
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 109
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- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention provides a deformation joint waterproof structure which comprises a concrete wall A and a concrete wall B, wherein a gap is reserved between the concrete wall A and the concrete wall B, a deformation joint is formed at the gap, a first aluminum alloy base and a second aluminum alloy base are respectively arranged at the tops of the concrete wall A and the concrete wall B on two sides of the deformation joint, the upper ends of the first aluminum alloy base and the second aluminum alloy base are movably connected with an aluminum alloy U-shaped cover plate, and the lower ends of the first aluminum alloy base and the second aluminum alloy base are movably connected with a rigid waterproof material. The invention has simple structure, convenient field construction and installation, improves the working efficiency and reduces the cost. Stainless steel is used as a main material of the deformation joint, so that later aging is avoided; optimizing waterproof joints of deformation joints, and performing waterproof by utilizing the structure of steel materials; the construction can be completed once, a great deal of manpower is saved, and the appearance is concise.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a deformation joint waterproof structure.
Background
In industrial and civil buildings, additional stress and deformation are generated in the building structure due to the influences of factors such as air temperature change, uneven settlement of a foundation, earthquake and the like, such as improper treatment, damage, cracking and even collapse of the building are caused, and the use and safety are affected. The solution is as follows: reinforcing the building integrity to provide sufficient strength and rigidity to overcome these failure stresses without failure; the structure is broken at the deformation sensitive parts in advance, and certain gaps are reserved to ensure that each part of the building has enough deformation width in the gaps without damaging the building. Such a reserved gap that vertically divides the building is called a deformation gap.
The building structure is generally composed of reinforced concrete, and the reinforced concrete can generate micro expansion change due to the change of temperature, humidity and other factors. Therefore, vertical slits are usually provided in appropriate portions of the roof of the building to break the components of the wall studs, floor layers, ground layers, etc., to separate the building into several independent sections, thereby allowing free micro-expansion deformation of the reinforced concrete structure of the building. The deformation joint can change the distance of the deformation joint slightly due to the factors of temperature change, uneven bearing and the like in seasons. Therefore, the ground deformation joint must have a good waterproof treatment to prevent rainwater or soil from penetrating into the building.
At present, the deformation joint of most buildings is generally coated with waterproof paste at the joint, then an aluminum plate or a stainless steel plate is used for buckling and fixing the joint outside the deformation joint coated with the waterproof paste, when the deformation joint is relatively operated relatively greatly, the cover plate is easy to loosen and even fall off, and leakage occurs at the deformation joint, so that the quality of the buildings is affected.
The existing floor deformation joints are mostly constructed after field assembly, are not installed at one time, and consume a large amount of field labor force; secondly, the existing part of floor deformation joints are mainly waterproof by using rubber strips, so that the rubber is easy to age and damage for a long time; the joint of the deformation joints of part of the floor is filled with rubber, and the joint has good waterproof and expansion performance, but is aged and damaged.
Disclosure of Invention
The invention aims to solve the problems of complex deformation joint waterproof structure, long on-site assembly and installation time, low efficiency and high cost in the prior art. The four simple deformation joint structures are used for installation, so that the technical requirement is low, the personnel requirement is low, the cost is greatly reduced, and the production period is shortened. The invention provides a waterproof floor deformation joint structure, which prolongs the service performance of products. Especially, when large-scale commercial complex floor is constructed, deformation joints are often arranged, so that the free movement of the building surface layer can be ensured when the building is unevenly settled.
To achieve the main object of the present invention, the present invention provides:
the utility model provides a deformation joint waterproof construction, includes mixes earth wall body A and mixes earth wall body B, mix earth wall body A and mix earth wall body B between leave the interval, this interval forms the deformation joint, mix earth wall body A and mix earth wall body B top of deformation joint both sides and install first aluminum alloy base and second aluminum alloy base respectively, first aluminum alloy base and second aluminum alloy base upper end swing joint have aluminum alloy U type apron, lower extreme swing joint have rigid waterproof material, and this deformation joint waterproof construction bulk weight is 12~15 kg. The first aluminum alloy base and the second aluminum alloy base are in mirror symmetry structures.
Preferably, the first aluminum alloy base and the second aluminum alloy base are respectively connected with the aluminum alloy U-shaped cover plate through the telescopic engagement mechanism.
Preferably, the ends of the first aluminum alloy base and the second aluminum alloy base are respectively provided with a bending fixing groove II, and the bending fixing grooves II are formed byThe corner connector is welded on the first aluminum alloy base and the second aluminum alloy base.
Preferably, two free ends of the aluminum alloy U-shaped cover plate are provided with bending fixing grooves III, and the bending fixing grooves III are formed byThe angle code is welded at two ends of the aluminum alloy U-shaped cover plate, the aluminum alloy U-shaped cover plate is embedded at two ends of the first aluminum alloy base and the second aluminum alloy base, so that the bending fixing groove III and the bending fixing groove II are mutually meshed, and the bending fixing groove III freely slides in the bending fixing groove II.
Preferably, the width of the bending fixing groove III is 1/2-3/4 of the width of the bending fixing groove II, and the height of the bending fixing groove III is 1/2-2/3 of the height of the bending fixing groove II.
Preferably, the first aluminum alloy base and the second aluminum alloy base are fixed on the concrete wall through bolts, and waterproof covers are arranged at the tops of the bolts.
Preferably, the metal cover plate flashing is arranged outside the first aluminum alloy base and the second aluminum alloy base.
Flashing is a waterproof technology on a building, namely, the waterproof treatment is carried out on the intersection of a wall and a roof, namely, all the flat vertical surfaces needing the waterproof treatment, namely, the waterproof material is used for making the building have the following construction points:
(1) And continuously paving the coiled material of the roof onto the vertical wall surface to form coiled material waterproof, wherein the flashing height is not less than 250mm.
(2) At the joint of the roof and the vertical parapet wall, the mortar leveling layer should be smeared into an arc or 45-degree inclined plane, and the coiled material adhesive is brushed to make the coiled material adhesive compact, avoid the coiled material overhead or breakage, and additionally lay a layer of coiled material.
(3) The coiled material collecting head of the upper opening for flashing is fixed, and the coiled material is prevented from sliding up and down on the vertical wall surface. The general practice is as follows: a groove with a through length is chiseled in the vertical wall, a coiled material collecting head is pressed into the groove, and after the coiled material collecting head is nailed and pressed by a waterproof pressing strip, the coiled material is embedded and sealed by a sealing material, and cement mortar is smeared for protection. The wall body at the upper part of the groove should also be waterproof treated. Reference may be made to one specific structure:
the two sides of the metal cover plate flashing along the flashing direction are respectively extended with a limit flange and a connecting flange, the cross section of the limit flange is U-shaped, and an opening of the limit flange faces the connecting flange; the connecting flange comprises a yielding part with an L-shaped section, the short end of the yielding part is fixedly connected with the flashing of the metal cover plate vertically, the long end of the yielding part is connected with a connecting part with the shape matched with the inside of the limiting flange, the connecting part is semi-coated inside the yielding part, and a proper amount of space is reserved between the short end of the yielding part and the width matched with the connecting part.
Preferably, the rigid waterproof material comprises a first waterproof layer and a second waterproof layer, one end of the first waterproof layer is fixedly welded with the first aluminum alloy base, and one end of the second waterproof layer is fixedly welded with the first aluminum alloy base; the free end of the first waterproof layer is connected with the free end of the second waterproof layer in a telescopic mode. The rigid waterproof material has high tensile strength, large elongation, light weight and convenient construction, and can be used in deformation joint waterproof structures to reduce the problems caused by material deformation and enhance the waterproof effect.
Preferably, the width of the deformation joint is 20-25cm.
Because the lower part of the flexible waterproof material is filled with the foam plastic plate, the foam plastic plate is filled between the deformation joints to play a role in heat preservation and heat insulation. The flexible waterproof material is mainly asphalt, asphalt felt and other organic materials, also called asphalt felt coiled material waterproof layer, and is formed by using asphalt felt, glass cloth and other fiber fabrics as coiled materials of a tire layer, using various cementing materials and other asphalt to bond the coiled materials on a leveling layer on a roof structure plate. The flexible waterproof material has high tensile strength, large elongation, light weight and convenient construction, but has strict operation technical requirements, lower puncture resistance and ageing resistance than rigid materials, easy ageing and short service life.
The invention adopts rigid waterproof material, which is cement mortar concrete waterproof material with certain anti-penetration ability prepared by using cement, sand stone as raw materials or adding a small amount of additive, high polymer and other materials into the cement and sand stone, and adopting methods of adjusting the mixing ratio, inhibiting or reducing the porosity, changing the pore characteristics, increasing the compactness among interfaces of the raw materials and the like. Rigid waterproofing is easy to crack and permeate water due to temperature difference strain.
Preferably, the telescopic engagement mechanism is any one of a telescopic screw rod and a wave telescopic section.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) The waterproof rubber is changed into a metal type structural waterproof sheet, so that the later aging is avoided, the roof and the deformation joint have better waterproof performance, the deformation joint is prevented from cracking and leaking, the service life of the roof waterproof engineering is prolonged, and the waterproof sheet has the advantages of simple structure, simplicity and convenience in construction, convenience in overhaul and maintenance and strong practicability;
(2) The joint of the base and the cover plate is changed from rubber into a telescopic metal latch, so that the waterproof node of the deformation joint is optimized, and the steel structure is utilized for waterproof;
(3) The plane cover plate is changed into a U-shaped cover plate, and a building surface layer can be constructed at the U-shaped cover plate;
(4) The deformation joint can be installed and completed on the construction site at one time after being processed in a factory during construction, and labor materials are saved.
Drawings
Fig. 1 is a front view of a deformation joint waterproof construction of the present invention.
Fig. 2 is a split view of the waterproof construction of the deformation joint of the present invention.
FIG. 3 is a schematic diagram of the structure of the U-shaped aluminum alloy cover plate.
FIG. 4 is a schematic view of the base structure of the first aluminum alloy of the present invention.
Detailed Description
As shown in fig. 1, 3 and 4, a deformation joint waterproof structure comprises a concrete wall body A8 and a concrete wall body B9, a space is reserved between the concrete wall body A8 and the concrete wall body B9, the space forms a deformation joint 1, a first aluminum alloy base 2 and a second aluminum alloy base 3 are respectively installed at the tops of the concrete wall body A8 and the concrete wall body B9 at two sides of the deformation joint 1, the upper ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with an aluminum alloy U-shaped cover plate 4, and the lower ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with a rigid waterproof material 5. The whole weight of the deformation joint waterproof structure is 12-15 kg.
The first aluminum alloy base 2 and the second aluminum alloy base 3 are respectively connected with the aluminum alloy U-shaped cover plate 4 through the telescopic engagement mechanism 6. The telescopic engagement mechanism 6 is any one of a telescopic screw rod and a wave telescopic section.
The ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are respectively provided with a bending fixing groove II 7, and the bending fixing grooves II 7 are formed byThe corner connector 11 is welded on the first aluminum alloy base 2 and the second aluminum alloy base 3.
The two free ends of the aluminum alloy U-shaped cover plate 4 are provided with bending fixing grooves III 12, and the bending fixing grooves III 12 are formed byThe angle code 11 is welded at two ends of the aluminum alloy U-shaped cover plate 4, and the aluminum alloy U-shaped cover plate 4 is embedded at two ends of the first aluminum alloy base 2 and the second aluminum alloy base 3, so that the bending fixing groove III 12 and the bending fixing groove II 7 are meshed with each other. It should be noted that, in the present invention, the movable connection manner between the two free ends of the aluminum alloy U-shaped cover plate 4 and the first aluminum alloy base 2 and the second aluminum alloy base 3 is not limited to this connection manner, but also a spring connection manner is adopted, and the sliding groove is connected with a sliding rail or the like.
The width of the bending fixing groove III 12 is smaller than that of the bending fixing groove II 7, and the height of the bending fixing groove III 12 is smaller than that of the bending fixing groove II 7. The purpose of setting like this is that convenient bending fixation groove III 12 is along with the change of deformation joint both sides concrete wall body height freedom in bending fixation groove II 7 internal movement.
The first aluminum alloy base 2 and the second aluminum alloy base 3 are fixed on the concrete wall 1 through bolts, and waterproof covers are arranged at the tops of the bolts. The metal cover plate flashing 10 is arranged outside the first aluminum alloy base 2 and the second aluminum alloy base 3. The structure of the flashing 10 of the metal cover plate can be seen in the structure of the flashing 10 in the prior art, so that water and the like are conveniently led out of the deformation joint, the pressure of the deformation joint is reduced.
The rigid waterproof material 5 comprises a first waterproof layer 51 and a second waterproof layer 52, one end of the first waterproof layer 51 is fixedly welded with the first aluminum alloy base 2, and one end of the second waterproof layer 52 is fixedly welded with the first aluminum alloy base 3; the free end of the first waterproof layer 51 is connected with the free end of the second waterproof layer 52 in a telescopic manner.
The deformation joint waterproof structure is particularly suitable for construction of large commercial complex floors, and deformation joints are often arranged, so that the building surface layer can be ensured to freely move when the building is unevenly settled. The width of the deformation joint 1 is 20-25cm.
Example 1
As shown in figures 1-2, the width of the deformation joint 1 is 20-25cm, the deformation joint comprises a concrete wall A8 and a concrete wall B9, a space is reserved between the concrete wall A8 and the concrete wall B9, the space forms the deformation joint 1, a first aluminum alloy base 2 and a second aluminum alloy base 3 are respectively arranged at the tops of the concrete wall A8 and the concrete wall B9 on two sides of the deformation joint 1, the upper ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with an aluminum alloy U-shaped cover plate 4, the lower ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with the aluminum alloy U-shaped cover plate 4 through screws 61, and the overall weight of the deformation joint waterproof structure is 15kg.
In the concrete construction process, when the heights of the concrete wall A8 and the concrete wall B9 are inconsistent, the heights of the first aluminum alloy base 2 and the second aluminum alloy base 3 incline, and the two ends of the aluminum alloy U-shaped cover plate 4 are fixed with the first aluminum alloy base 2 and the second aluminum alloy base 3 and can be pulled away along with the bending fixing groove III 12 which is inserted into the bending fixing groove II 7 along with the inconsistent heights of the two ends, wherein the width of the bending fixing groove III 12 is 1/2 of the width of the bending fixing groove II 7, and the height of the bending fixing groove III 12 is 2/3 of the height of the bending fixing groove II 7.
The bending fixing groove iii 12 is also pulled apart in the bending fixing groove ii 7 when the deformation joint 1 widens. The more bending fixing grooves iii 12 overlap each other in bending fixing groove ii 7, the closer to each other when the deformation joint becomes narrower.
Example 2
The width of the deformation joint 1 is 20-25cm, the overall weight of the waterproof structure of the deformation joint is 12kg, wherein the width of a bending fixing groove III 12 is 3/4 of the width of a bending fixing groove II 7, the height of the bending fixing groove III 12 is 1/2 of the height of the bending fixing groove II 7, and the upper ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with the aluminum alloy U-shaped cover plate 4 through wavy telescopic sections, preferably wavy rubber sections or springs. The embodiment is more suitable for the severe environment construction condition, and the deformation joint is larger along with the environmental change.
Example 3
The width of the deformation joint 1 is 20-25cm, the overall weight of the waterproof structure of the deformation joint is 14.5kg, wherein the width of a bending fixing groove III 12 is 7/10 of the width of a bending fixing groove II 7, the height of the bending fixing groove III 12 is 3/5 of the height of the bending fixing groove II 7, and the upper ends of the first aluminum alloy base 2 and the second aluminum alloy base 3 are movably connected with an aluminum alloy U-shaped cover plate 4 through wavy rubber sections. The embodiment is more suitable for the construction condition of the deformation joint in the large-scale market room, and the deformation joint has smaller change along with the environment.
The innovation point of the invention is that:
1. the waterproof rubber in the prior art is changed into a metal waterproof sheet, so that the waterproof sheet has a simple structure, is easy to install, reduces the replacement frequency and has long service life;
2. the two aluminum alloy bases are combined with the aluminum alloy U-shaped cover plate, the connection part is changed into a telescopic engagement mechanism by rubber bonding, and the flexible connection is changed into movable connection, so that the problems that the traditional structure is easy to come off, repeated repair is carried out, the construction period is delayed, the cost is high and the like are solved;
3. the plane cover plate is changed into an aluminum alloy U-shaped cover plate, and a building surface layer can be constructed at the aluminum alloy U-shaped cover plate, such as concrete paving or plant marking.
The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a deformation joint waterproof construction, includes concrete wall body A (8) and concrete wall body B (9), leave the interval between concrete wall body A (8) and the concrete wall body B (9), this interval forms deformation joint (1), its characterized in that, first aluminum alloy base (2) and second aluminum alloy base (3) are installed respectively at concrete wall body A (8) and the concrete wall body B (9) top of deformation joint (1) both sides, first aluminum alloy base (2) and second aluminum alloy base (3) upper end swing joint have aluminum alloy U type apron (4), the lower extreme is connected with rigid waterproof material (5), this deformation joint waterproof construction overall weight is 12~15kg;
the first aluminum alloy base (2) and the second aluminum alloy base (3) are respectively connected with the aluminum alloy U-shaped cover plate (4) through the telescopic mechanism (6);
the tail ends of the first aluminum alloy base (2) and the second aluminum alloy base (3) are respectively provided with a bending fixing groove II (7), and the bending fixing grooves II (7) are formed by welding ⺋ type corner brackets (11) on the first aluminum alloy base (2) and the second aluminum alloy base (3);
the aluminum alloy U-shaped cover plate (4) is characterized in that bending fixing grooves III (12) are formed in two free ends of the aluminum alloy U-shaped cover plate (4), the bending fixing grooves III (12) are formed in two ends of the aluminum alloy U-shaped cover plate (4) by welding ⺋ type corner brackets (11), and the aluminum alloy U-shaped cover plate (4) is embedded in two ends of the first aluminum alloy base (2) and the second aluminum alloy base (3) so that the bending fixing grooves III (12) can freely slide in the bending fixing grooves II (7).
2. The waterproof structure of a deformation joint according to claim 1, wherein the width of the bending fixing groove iii (12) is 1/2-3/4 of the width of the bending fixing groove ii (7), and the height of the bending fixing groove iii (12) is 1/2-2/3 of the height of the bending fixing groove ii (7).
3. A deformation joint waterproof structure according to claim 1, wherein the first aluminum alloy base (2) and the second aluminum alloy base (3) are fixed on the concrete wall a (8) and the concrete wall B (9) respectively through bolts, and waterproof covers are arranged at the tops of the bolts.
4. A deformation joint waterproof structure according to claim 3, wherein the first aluminum alloy base (2) and the second aluminum alloy base (3) are provided with metal cover plate flashing (10) outside.
5. The deformation joint waterproof structure according to claim 1, wherein the rigid waterproof material (5) comprises a first waterproof layer (51) and a second waterproof layer (52), one end of the first waterproof layer (51) is fixedly welded with the first aluminum alloy base (2), and one end of the second waterproof layer (52) is fixedly welded with the second aluminum alloy base (3); the free end of the first waterproof layer (51) is connected with the free end of the second waterproof layer (52) in a telescopic mode.
6. The waterproof structure of the deformation joint according to claim 1, wherein the width of the deformation joint (1) is 20-25cm.
7. A deformation joint waterproof structure according to claim 1, wherein the telescopic mechanism (6) is any one of a telescopic screw rod and a wave telescopic section.
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| CN201910234988.0A CN109914623B (en) | 2019-03-25 | 2019-03-25 | Waterproof structure of deformation joint |
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| CN201910234988.0A CN109914623B (en) | 2019-03-25 | 2019-03-25 | Waterproof structure of deformation joint |
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| CN109914623B true CN109914623B (en) | 2023-12-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110778343B (en) * | 2019-10-22 | 2021-04-27 | 济南市市政工程设计研究院（集团）有限责任公司 | Bidirectional sliding extrusion type large-deformation waterproof deformation joint structure |
| CN113006297A (en) * | 2021-03-08 | 2021-06-22 | 中建二局第三建筑工程有限公司 | Maintenance-free floor deformation load-bearing device and construction method thereof |
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| DE29821784U1 (en) * | 1998-12-07 | 1999-02-18 | Tiletschke, Lothar, 32130 Enger | Joint element as lost formwork between two in-situ concrete slabs |
| JP2007205057A (en) * | 2006-02-02 | 2007-08-16 | Takemoru Kogyo Kk | Mortar wall finishing method |
| CN101041977A (en) * | 2007-04-27 | 2007-09-26 | 昆明理工大学 | Flashing and usage thereof and method for preventing water seep in cement concrete pavement and bridge surface slab joint |
| KR101168688B1 (en) * | 2011-11-17 | 2012-07-30 | 주식회사 아키벤 | Waterproofing construction method used with a sheet or panel type waterproofing materials has empty prominence and depression |
| CN203393855U (en) * | 2013-08-16 | 2014-01-15 | 芜湖天航科技（集团）股份有限公司 | Steel-structure deformation joint flashing structure |
| WO2017152674A1 (en) * | 2016-03-10 | 2017-09-14 | 何发林 | Underground engineering waterproofing structure |
| CN208183989U (en) * | 2018-02-26 | 2018-12-04 | 重庆电子工程职业学院 | A kind of external wall deformation joint construction structure |
| CN209854949U (en) * | 2019-03-25 | 2019-12-27 | 中建三局集团有限公司 | Deformation joint waterproof structure |
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2019
- 2019-03-25 CN CN201910234988.0A patent/CN109914623B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29821784U1 (en) * | 1998-12-07 | 1999-02-18 | Tiletschke, Lothar, 32130 Enger | Joint element as lost formwork between two in-situ concrete slabs |
| JP2007205057A (en) * | 2006-02-02 | 2007-08-16 | Takemoru Kogyo Kk | Mortar wall finishing method |
| CN101041977A (en) * | 2007-04-27 | 2007-09-26 | 昆明理工大学 | Flashing and usage thereof and method for preventing water seep in cement concrete pavement and bridge surface slab joint |
| KR101168688B1 (en) * | 2011-11-17 | 2012-07-30 | 주식회사 아키벤 | Waterproofing construction method used with a sheet or panel type waterproofing materials has empty prominence and depression |
| CN203393855U (en) * | 2013-08-16 | 2014-01-15 | 芜湖天航科技（集团）股份有限公司 | Steel-structure deformation joint flashing structure |
| WO2017152674A1 (en) * | 2016-03-10 | 2017-09-14 | 何发林 | Underground engineering waterproofing structure |
| CN208183989U (en) * | 2018-02-26 | 2018-12-04 | 重庆电子工程职业学院 | A kind of external wall deformation joint construction structure |
| CN209854949U (en) * | 2019-03-25 | 2019-12-27 | 中建三局集团有限公司 | Deformation joint waterproof structure |
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