CN111395264A - Water stop structure for gap between hydraulic building structures and construction method thereof - Google Patents
Water stop structure for gap between hydraulic building structures and construction method thereof Download PDFInfo
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- CN111395264A CN111395264A CN202010379415.XA CN202010379415A CN111395264A CN 111395264 A CN111395264 A CN 111395264A CN 202010379415 A CN202010379415 A CN 202010379415A CN 111395264 A CN111395264 A CN 111395264A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 33
- 239000010426 asphalt Substances 0.000 claims abstract description 32
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 27
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 239000004587 polysulfide sealant Substances 0.000 claims abstract description 23
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 22
- 239000004917 carbon fiber Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004593 Epoxy Substances 0.000 claims abstract description 20
- 239000002987 primer (paints) Substances 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 229920002396 Polyurea Polymers 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 230000008961 swelling Effects 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005470 impregnation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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- Civil Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a water stop structure for a gap between hydraulic building structures and a construction method thereof, wherein the water stop structure comprises a building A, a building B and a gap, and the water stop structure comprises three parts, namely a water stop structure body on the upstream surface, a water stop structure body on the back surface and a water stop structure body between the gaps; the upstream face is provided with a two-component polysulfide sealant, carbon fiber cloth adhered to the upstream faces of the buildings A and B, a two-component epoxy primer coating and a polyurea waterproof coating sprayed on the two-component epoxy primer coating; the surface of a river stagnant water structure includes: the building comprises a creep deformation type non-cured rubber asphalt waterproof coating on a building A and a building B, a water swelling water stop belt arranged on the creep deformation type non-cured rubber asphalt waterproof coating, and a steel pressing plate for fixing the water swelling water stop belt, wherein the central line of the water swelling water stop belt is pressed in a seam when the water swelling water stop belt is arranged, and the water swelling water stop belt is fixed by the steel pressing plate through a swelling bolt; the water stopping structure between the seams is a waterproof filler.
Description
Technical Field
The invention belongs to the technical field of hydraulic construction, and particularly relates to a water stop structure for a gap between hydraulic building structures and a construction method thereof.
Background
At present, the construction of domestic water conservancy infrastructure is accelerated, and the structural types of hydraulic buildings are increased. The problem of water leakage prevention in water conservancy projects is a key technical point of the projects. The research and development technology mainly aims at solving the problem of water stopping technology of seams between adjacent buildings with different hydraulic structures. In the current hydraulic engineering design, water stopping structures such as rubber water stopping belts, copper water stopping belts, water stopping strips and the like which are generally embedded into the same part of a building for stopping water at the gap between the same hydraulic building structures are prevented from being water. However, the conventional man-buried water stopping arrangement cannot be adopted for water stopping of joints among different building structures, and because stress positions, steel bar design positions, structural geometry, building settlement, construction methods and the like of different hydraulic buildings are different, the man-buried water stopping technology is relatively difficult to adopt, the water stopping effect is poor, the service life is short and the like.
Disclosure of Invention
The invention aims to: in order to meet the functional requirements of water stopping and leakage prevention of seams between different building structures of hydraulic engineering, achieve the use functions of different buildings of hydraulic engineering and simultaneously enhance the attractive appearance of exposed surfaces of the seams between the buildings, the seam water stopping structure combining the upstream surface and the downstream surface and the construction method thereof are provided. The technology can also be applied to the construction of new hydraulic engineering. Meanwhile, the device can be applied to the maintenance field of the water seepage and water leakage phenomena of the building expansion joints with high waterproof requirements such as built tunnels, aqueducts, box culverts, pump stations, retaining dams, pipe galleries, water conservancy retaining walls and the like.
The specific technical scheme of the invention is as follows:
a water stopping structure for a gap between hydraulic structure structures comprises a building A, a building B and a gap between the building A and the building B, wherein the water stopping structure comprises three parts, namely a water stopping structure body on the upstream side, a water stopping structure body on the back side and a water stopping structure body between the gaps; the upstream water stop structure comprises: the two-component polysulfide sealant is arranged at the lower part of the seam and close to the upstream face, the carbon fiber cloth which is adhered to the upstream faces of the buildings A and B by taking the seam as a central line, the two-component epoxy primer coating which is coated on the surface of the carbon fiber cloth and the polyurea waterproof coating which is sprayed on the two-component epoxy primer coating; the surface of a river stagnant water structure includes: the creep type non-cured rubber asphalt waterproof coating is coated on a building A and a building B on two sides of a seam, a water-swelling water stop belt is arranged on the creep type non-cured rubber asphalt waterproof coating, and a steel pressing plate for fixing the water-swelling water stop belt is arranged, wherein the center line of the water-swelling water stop belt is pressed in the seam when the water-swelling water stop belt is arranged, and the water-swelling water stop belt is fixed by the steel pressing plate through a swelling bolt; the water stopping structure between the seams is a waterproof filler.
The waterproof filler is creep non-curing rubber asphalt waterproof paint.
The setting depth of the two-component polysulfide sealant in the seam is not less than 20 mm.
The carbon fiber cloth is combined with resin impregnation glue.
A construction method of a water stop structure of a gap between hydraulic building structures comprises the following construction steps:
the method comprises the following steps: polishing the positions, close to the seam, of the upstream surface and the back surface of the building A and the building B to remove burrs and bulges on the surfaces of the buildings;
step two: sealing the two-component polysulfide sealant between the seams of the upstream surface, arranging a support strip in the seam before sealing, correspondingly setting the depth of the support strip in the seam according to the driving depth of the two-component polysulfide sealant, and taking out the support strip after the two-component polysulfide sealant is semi-solidified to finish sealing the two-component polysulfide sealant;
step three: setting a water stopping structure on the upstream side, namely firstly, impregnating and gluing carbon fiber cloth and resin, jointing the carbon fiber cloth and the resin on walls of a building A and a building B by taking a seam as a central line, brushing a two-component epoxy primer to form a two-component epoxy primer after the carbon fiber cloth and the resin impregnating glue are dried, and spraying polyurea waterproof paint to form a polyurea waterproof coating after the two-component epoxy primer is dried, so that the water stopping structure on the upstream side is set;
step four: the method comprises the following steps of (1) arranging a water stopping structure on the back water surface, firstly coating creep type non-cured rubber asphalt waterproof paint on the surfaces of a building A and a building B close to a seam, forming a creep type non-cured rubber asphalt waterproof coating on the surfaces, then installing a water-swelling water stopping belt, covering the creep type non-cured rubber asphalt waterproof coating on the surface of the building A and the creep type non-cured rubber asphalt waterproof coating on the surface of the building B by the water-swelling water stopping belt through two wings of a center line pressure seam, and then compressing and fixing the water-swelling water stopping belt through a steel pressing plate and matching with equidistantly arranged expansion bolts;
step five: and pressing creep type non-cured rubber asphalt waterproof paint between the water-swelling water stop belt and the two-component polysulfide sealant in the seam to complete the water stop sealing construction of the seam.
The beneficial effect that this scheme produced is: the creep deformation type non-curing rubber asphalt waterproof coating applied to the creep deformation type non-curing rubber asphalt waterproof coating is prepared by mixing rubber, asphalt and high molecular polymer serving as main components with a modifier, a temperature control agent and a filler, and can maintain the creep deformation, the self-healing property, the pressure sensitivity and the adhesion all the time. The water-swelling water stop belt combined with the creep type non-cured rubber asphalt waterproof coating has excellent combined waterproof effect, and the phenomenon of interface water channeling is avoided. The two-component polysulfide sealant is wall joint sealing of A, B-component polysulfide building paste, and after the sealant is cured, the joint sealing can be ensured to be wear-resistant and firm. The good tensile strength of carbon cloth material reaches the purpose of bearing capacity and intensity between the reinforcing member seam and guarantees that two kinds of structure warp and lead to seam department polyurea waterproof coating not destroyed, and carbon cloth and resin impregnated cement combine whole laminating effectually, can not appear bonding disconnected and continuous, improves overall structure stability, increases service life.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
In the figure: 1. a building 2, B building 3, seam 4, two-component polysulfide sealant 5, carbon fiber cloth 6, two-component epoxy primer 7, polyurea waterproof coating 8, creep type non-cured rubber asphalt waterproof coating 9, water swelling water stop 10, steel pressing plate 11, expansion bolt 12, creep type non-cured rubber asphalt waterproof coating 13, upstream face 14 and backside face.
Detailed Description
The present solution is further described below with reference to specific embodiments.
Example 1
As shown in fig. 1 (in the figure, the carbon fiber cloth 5, the two-component epoxy primer 6 and the polyurea waterproof coating 7 are all thin layers in practice, no gap exists between the two layers, and the gaps displayed between the layers in the figure aim to facilitate the reference mark and the position comparison examination), the application of the scheme in the environmental water system circulation (pump station) engineering tidal river pump station engineering in zhengzhou city is explained: a building is a shear wall structure, B building is a retaining wall structure, the two buildings are different in foundation, structure, self load and reinforcement, and the width of a seam between the A building and the B building is 20 mm. The pressure of the working water of the building is 0.5 Mpa.
A water stopping structure for the gap between hydraulic building structures comprises a building A1 with a shear wall structure, a building B2 with a retaining wall structure and a gap 3 with the width of 20mm between the building A1 and the building B2, wherein the water stopping structure comprises three parts, namely a water stopping structure body on the upstream face 13, a water stopping structure body on the downstream face 14 and a water stopping structure body between the gaps; the upstream water stop structure comprises: the two-component polysulfide sealant 4 with the sealing depth of 20mm is arranged in a seam which is arranged at the lower part of the 20mm seam 3 and is close to the water-facing surface, the carbon fiber cloth 5 which is adhered to the water-facing surfaces of the A building 1 and the B building 2 by taking the 20mm seam as a central line and has the width of 500mm, the two-component epoxy primer 6 which is coated on the surface of the carbon fiber cloth 5 by 0.6 kg/square meter, and the polyurea waterproof coating 7 which is sprayed on the two-component epoxy primer 6 and has the thickness of 2 mm; the surface of a river stagnant water structure includes: the creep type non-cured rubber asphalt waterproof coating 8 with the width of 250mm coated on the A building 1 and the B building 2 at two sides of the seam is 10mm in thickness, the water-swelling water stop band 9 arranged on the creep type non-cured rubber asphalt waterproof coating 8 and the steel pressing plate 10 for fixing the water-swelling water stop band 9 are arranged, wherein the water-swelling water stop band 9 is made of the water-swelling water stop band with the model specification of HBZ-A4 with the width of 402mm and the thickness of 10mm and is pressed by the steel pressing plate with the specification of 180mm with the width of 10mm and matched with the swelling bolts 11 arranged at intervals of every 200mm, and the central line of the water-swelling water stop band 9 is pressed in the seam 3 when the water-swelling water; the water stopping structure between the seams is creep deformation type non-curing rubber asphalt waterproof coating 12, and the gap of the 2mm seam is filled.
The carbon fiber cloth 5 is a carbon fiber cloth combined with resin impregnating adhesive.
A construction method of a water stop structure of a gap between hydraulic building structures comprises the following construction steps:
the method comprises the following steps: polishing positions, close to the seam, of the upstream surface and the back surface of a building 1 of the shear wall structure and a building 2 of the retaining wall structure to remove burrs and bulges on the surfaces of the buildings;
step two: the two-component polysulfide sealant is sealed between the seams of the upstream face, a support strip with the width of 18mm is arranged in the seam before sealing, the depth of the support strip in the seam is set to be 2mm, the two-component polysulfide sealant 4 is driven in, the driving depth is just 2mm of the depth of the support strip, the support strip is taken out after the two-component polysulfide sealant is semi-solidified, and sealing of the two-component polysulfide sealant with the depth of 2mm is completed;
step three: setting a water stop structure on the upstream face, firstly, impregnating and gluing carbon fiber cloth 5 with the width of 500mm with resin, jointing the carbon fiber cloth and the resin on walls of a building 1 and a building 2A by taking a seam 3 as a central line, brushing a two-component epoxy base coat to form a two-component epoxy base coat 6 after the carbon fiber cloth 5 and the resin are dried, wherein the brushing component of the two-component epoxy base coat is 0.6 kg/square meter, spraying polyurea waterproof paint to form a polyurea waterproof coating 7 after the two-component epoxy base coat 6 is dried, and the thickness of the coating is 2mm, so that the water stop structure on the upstream face is set;
step four: setting a water stop structure on the back water surface, firstly coating creep deformation type non-cured rubber asphalt waterproof paint with the thickness of 10mm on the surfaces of a building 1A and a building 2B close to a seam 3 of 2mm in width of 250mm respectively, forming a creep deformation type non-cured rubber asphalt waterproof coating 8 on the surfaces, then installing a water-swelling water stop belt 9, wherein the water-swelling water stop belt 9 is made of the water-swelling water stop belt with the model specification of HBZ-A4 width of 402mm and the thickness of 10mm, and the water-swelling water stop belt 9 covers the creep deformation type non-cured rubber asphalt waterproof coating 8 on the surface of the building 1A and the creep deformation type non-cured rubber asphalt waterproof coating 8 on the surface of the building 2 respectively by two wings of a center line pressure seam 3 and is pressed and fixed by a steel pressing plate 10 with the specification of 180mm width and the thickness of 10 mm;
step five: and 2 mm-wide creep-type non-cured rubber asphalt waterproof paint 12 is pressed between the water-swelling water stop belt and the two-component polysulfide sealant in the joint to realize joint filling and finish the water-stopping sealing construction of the joint.
The whole construction process is simple, the structural combination is reasonable, and the whole waterproof effect is excellent. The technology is applied to a water stopping project between a pump house building of a pump house project of a tidal river pump station project and a retaining wall building of an ecological water system circulation (pump station) project of the city of Zhengzhou, no leakage exists at a seam, and the waterproof effect is very good. The problem of bury formula stagnant water between different buildings and set up the difficulty is solved for major structure's construction progress, satisfied waterproof service function, had very strong use value.
Claims (5)
1. The utility model provides a stagnant water structure of seam between hydraulic structure, including A building, B building and the seam between A building and the B building, its characterized in that: the water stopping structure comprises three parts, namely a water stopping structure body on the upstream surface, a water stopping structure body on the back surface and a water stopping structure body between seams; the upstream water stop structure comprises: the two-component polysulfide sealant is arranged at the lower part of the seam and close to the upstream face, the carbon fiber cloth which is adhered to the upstream faces of the buildings A and B by taking the seam as a central line, the two-component epoxy primer coating which is coated on the surface of the carbon fiber cloth and the polyurea waterproof coating which is sprayed on the two-component epoxy primer coating; the surface of a river stagnant water structure includes: the creep type non-cured rubber asphalt waterproof coating is coated on a building A and a building B on two sides of a seam, a water-swelling water stop belt is arranged on the creep type non-cured rubber asphalt waterproof coating, and a steel pressing plate for fixing the water-swelling water stop belt is arranged, wherein the center line of the water-swelling water stop belt is pressed in the seam when the water-swelling water stop belt is arranged, and the water-swelling water stop belt is fixed by the steel pressing plate through a swelling bolt; the water stopping structure between the seams is a waterproof filler.
2. The water stopping structure of a joint between hydraulic structure according to claim 1, characterized in that: the waterproof filler is creep non-curing rubber asphalt waterproof paint.
3. The water stopping structure of a joint between hydraulic structure according to claim 1, characterized in that: the setting depth of the two-component polysulfide sealant in the seam is not less than 20 mm.
4. The water stopping structure of a joint between hydraulic structure according to claim 1, characterized in that: the carbon fiber cloth is combined with resin impregnation glue.
5. The method of constructing a water stopping structure for a joint between hydraulic structure structures according to any one of claims 1 to 4, characterized in that: the method comprises the following construction steps: the method comprises the following steps: polishing the positions, close to the seam, of the upstream surface and the back surface of the building A and the building B to remove burrs and bulges on the surfaces of the buildings; step two: sealing the two-component polysulfide sealant between the seams of the upstream surface, arranging a support strip in the seam before sealing, correspondingly setting the depth of the support strip in the seam according to the driving depth of the two-component polysulfide sealant, and taking out the support strip after the two-component polysulfide sealant is semi-solidified to finish sealing the two-component polysulfide sealant; step three: setting a water stopping structure on the upstream side, namely firstly, impregnating and gluing carbon fiber cloth and resin, jointing the carbon fiber cloth and the resin on walls of a building A and a building B by taking a seam as a central line, brushing a two-component epoxy primer to form a two-component epoxy primer after the carbon fiber cloth and the resin impregnating glue are dried, and spraying polyurea waterproof paint to form a polyurea waterproof coating after the two-component epoxy primer is dried, so that the water stopping structure on the upstream side is set; step four: the method comprises the following steps of (1) arranging a water stopping structure on the back water surface, firstly coating creep type non-cured rubber asphalt waterproof paint on the surfaces of a building A and a building B close to a seam, forming a creep type non-cured rubber asphalt waterproof coating on the surfaces, then installing a water-swelling water stopping belt, covering the creep type non-cured rubber asphalt waterproof coating on the surface of the building A and the creep type non-cured rubber asphalt waterproof coating on the surface of the building B by the water-swelling water stopping belt through two wings of a center line pressure seam, and then compressing and fixing the water-swelling water stopping belt through a steel pressing plate and matching with equidistantly arranged expansion bolts; step five: and pressing creep type non-cured rubber asphalt waterproof paint between the water-swelling water stop belt and the two-component polysulfide sealant in the seam to complete the water stop sealing construction of the seam.
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| CN202010379415.XA CN111395264A (en) | 2020-05-08 | 2020-05-08 | Water stop structure for gap between hydraulic building structures and construction method thereof |
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| CN202010379415.XA CN111395264A (en) | 2020-05-08 | 2020-05-08 | Water stop structure for gap between hydraulic building structures and construction method thereof |
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| KR20120077760A (en) * | 2010-12-31 | 2012-07-10 | 주식회사 지안앰앤씨 | The waterproofing method of buildings |
| CN103643754A (en) * | 2013-12-06 | 2014-03-19 | 湖南固力工程新材料有限责任公司 | Waterproof processing structure and method on joint of wall interfaces of building |
| CN105350989A (en) * | 2015-11-30 | 2016-02-24 | 武汉大学 | Pressure tunnel prestress lining structure |
| CN108560592A (en) * | 2018-06-25 | 2018-09-21 | 中冶武汉冶金建筑研究院有限公司 | Prosthetic device and its method for the fracture of underground pipe gallery waterproof structure for deformation seams |
| CN109667352A (en) * | 2019-01-16 | 2019-04-23 | 中南大学 | Assembled architecture prefabricated panel vertical abutment joint grouting method Alveolus type waterproof connecting structure |
| CN109707053A (en) * | 2019-02-18 | 2019-05-03 | 西安市建筑设计研究院有限公司 | A kind of assembly concrete building prefabrication exterior wall connecting structure |
| CN212452482U (en) * | 2020-05-08 | 2021-02-02 | 郑州水务建筑工程股份有限公司 | Water stopping structure for gap between hydraulic building structures |
-
2020
- 2020-05-08 CN CN202010379415.XA patent/CN111395264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120077760A (en) * | 2010-12-31 | 2012-07-10 | 주식회사 지안앰앤씨 | The waterproofing method of buildings |
| CN103643754A (en) * | 2013-12-06 | 2014-03-19 | 湖南固力工程新材料有限责任公司 | Waterproof processing structure and method on joint of wall interfaces of building |
| CN105350989A (en) * | 2015-11-30 | 2016-02-24 | 武汉大学 | Pressure tunnel prestress lining structure |
| CN108560592A (en) * | 2018-06-25 | 2018-09-21 | 中冶武汉冶金建筑研究院有限公司 | Prosthetic device and its method for the fracture of underground pipe gallery waterproof structure for deformation seams |
| CN109667352A (en) * | 2019-01-16 | 2019-04-23 | 中南大学 | Assembled architecture prefabricated panel vertical abutment joint grouting method Alveolus type waterproof connecting structure |
| CN109707053A (en) * | 2019-02-18 | 2019-05-03 | 西安市建筑设计研究院有限公司 | A kind of assembly concrete building prefabrication exterior wall connecting structure |
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