CN107842043B - Flexible waterproof structure of deformation joint and manufacturing method - Google Patents
Flexible waterproof structure of deformation joint and manufacturing method Download PDFInfo
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- CN107842043B CN107842043B CN201711232638.8A CN201711232638A CN107842043B CN 107842043 B CN107842043 B CN 107842043B CN 201711232638 A CN201711232638 A CN 201711232638A CN 107842043 B CN107842043 B CN 107842043B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- 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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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Abstract
The invention discloses a flexible waterproof structure of a deformation joint and a manufacturing method thereof, and relates to the field of deformation joint waterproof, the deformation joint comprises a deformation joint slot above and a deformation joint slot below, a main body waterproof layer is arranged above the deformation joint slot, a separation block is arranged in the deformation joint slot, a plurality of layers of semi-prefabricated flexible waterproof films are sequentially arranged above the separation block, flexible filling materials are arranged between two adjacent layers of semi-prefabricated flexible waterproof films, each layer of semi-prefabricated flexible waterproof film and tire base cloth at two sides are bonded with a deformation joint base layer through site construction and are lapped with the main body waterproof layer, a metal plate with one fixed side is arranged on the deformation joint slot, elastic mortar is filled in the deformation joint slot, and the elastic mortar is leveled with the base body. The flexible waterproof structure of the deformation joint and the manufacturing method can adapt to large displacement deformation of the deformation joint, and simultaneously support the mechanical pressure of the upstream surface and the pressure of the water depth, so that the durability of the waterproof structure is greatly prolonged.
Description
Technical Field
The invention relates to the field of deformation joint waterproofing, in particular to a flexible waterproof structure of a deformation joint and a manufacturing method.
Background
The existing deformation joint adopts a rubber water stop or a metal water stop, the water stop is fixed by compaction or mechanically fixed by screws, even if the inner side of the end head adopts sealant to seal a small gap between the water stop and a base material, in practical application, the gap is formed between the water stop and the concrete due to structural settlement, temperature difference deformation, concrete self change and year-by-year increase of rubber modulus, water on the upstream surface of the gap can leak through the gap, and the metal water stop has no rebound resilience in the deformation joint deformation process, so that the gap is formed by combining the metal and the concrete. The waterproof coiled materials and the waterproof self-adhesive coiled materials are also used for deformation joints, in the actual use process, the waterproof coiled materials and the waterproof self-adhesive coiled materials are affected by comprehensive factors such as structural deformation, mechanical pressure, water impact, coiled material deformation quantity limitation and the like, so that the adhesive between the coiled materials and the base materials is damaged, joint overlap bonding between the coiled materials is damaged, the coiled materials are damaged after a period of time, the waterproof function is lost, some technical measures also adopt U-shaped coiled materials as joint waterproof, but the waterproof life of the deformation joints is shorter because of adopting a rigid adhesive and only one waterproof layer, and protective measures for the waterproof layer at the joint are not provided.
Disclosure of Invention
In order to solve the technical problems, the invention provides the flexible waterproof structure of the deformation joint and the manufacturing method thereof, which can adapt to the large displacement deformation of the deformation joint, and simultaneously support the mechanical pressure of the upstream surface and the pressure of the water depth, so that the waterproof layer of the deformation joint is effectively protected, and the durability of the waterproof structure is greatly prolonged.
In order to achieve the above object, namely, to require a waterproof layer which resists large displacement deformation and has a plurality of flexible following properties, and effective measures for protecting the waterproof layer, the present invention provides the following scheme:
the invention provides a flexible waterproof structure of a deformation joint, which comprises a deformation joint formed by a matrix, wherein the deformation joint comprises a deformation joint slot above and a deformation joint slot below, a main waterproof layer is arranged above the deformation joint slot, a separation block is arranged in the deformation joint slot, a plurality of layers of semi-prefabricated flexible waterproof films are sequentially arranged above the separation block, the semi-prefabricated flexible waterproof films are U-shaped, flexible filling materials are arranged between two adjacent layers of semi-prefabricated flexible waterproof films, two sides of each semi-prefabricated flexible waterproof film are provided with a base fabric, the semi-prefabricated flexible waterproof films are adhered to the inner wall of the deformation joint slot and the lower plane of the deformation joint slot through adhesives, and the base fabric is adhered to the inner wall of the deformation joint slot through adhesives and is lapped with the main waterproof layer; be provided with the metal sheet on the movement joint fluting, the metal sheet strides the movement joint gap, will through the nail the metal sheet is fixed in one side of movement joint fluting, the nail is gone into to one side coating of nail has the sealant and is used for sealing the nail eyelet, the movement joint fluting opposite side with isolation diaphragm I has been laid between the metal sheet, isolation diaphragm II has been laid to the metal sheet top, the movement joint fluting intussuseption is filled with elastic mortar, elastic mortar with the main part waterproof layer with the base member is leveled.
Further, the deformation joint is provided with a rectangular groove or a trapezoid groove.
Further, the semi-prefabricated flexible waterproof membrane is of a rectangular structure, the thickness of the semi-prefabricated flexible waterproof membrane is 0.5-10mm, the width of the semi-prefabricated flexible waterproof membrane is larger than the width of a deformation joint gap, the width of the tire base cloth on two sides of the semi-prefabricated flexible waterproof membrane is more than 30mm, the semi-prefabricated flexible waterproof membrane is made of high polymer flexible materials, and the high polymer flexible materials are polyurethane materials, polyurethane urea materials, polyurea materials, acrylic materials, polysulfide materials, organic silicon materials, polyvinyl chloride materials, chlorosulfonated materials, polyisobutylene materials, chlorobutyl materials, EPDM (ethylene-propylene-diene monomer), butylbenzene materials, SBS, SEBS, SIS rubber asphalt materials or asphalt polyurethane materials.
Further, the elastic mortar is slurry formed by mixing flexible liquid materials with graded sand grains, wherein the sand grains are quartz sand, silicon carbide, ceramic sand, porcelain sand, glass sand or small stones, and the flexible liquid materials are polyurethane, polyurethane urea, polyurea, acrylic acid, polysulfide, organosilicon, rubber, asphalt or modified substances of the materials.
Further, the isolation block is made of styrene foam materials, polyurethane foam materials, polyolefin materials, phenolic materials, cement mortar, polymer mortar, rubber asphalt or asphalt concrete.
Further, the flexible filling material is made of polystyrene foam rods, polystyrene particles, foam mortar, polyurethane foam, polymer mortar, rubber asphalt or asphalt mortar.
Further, the adhesive is a sealant or a thick-paste coating, the sealant is polyurethane sealant, modified silane sealant, silicone sealant, polysulfide sealant, acrylic ester sealant, butyl sealant or neoprene sealant, and the thick-paste coating is made of polyurethane, polyurethane urea, polyurea, acrylic acid, polysulfide, organosilicon, polyvinyl chloride, chlorosulfonated, polyisobutylene, neoprene, EPDM, butylbenzene, SBS, SEBS, SIS, rubber asphalt or asphalt polyurethane materials.
Further, the isolation diaphragm I and the isolation diaphragm II are made of PE polyethylene, PP polypropylene, polystyrene, ethylene propylene diene monomer, TPO, PVC, tetrafluoroethylene, silicone, polyurethane, natural rubber, chloroprene rubber, styrene-butadiene rubber, acrylonitrile, polyester, nylon or ABS materials.
Further, the substrate is made of concrete or metal.
The invention also provides a manufacturing method of the flexible waterproof structure of the deformation joint, which is characterized by comprising the following steps:
1) The isolation block is arranged in the deformation joint gap, the semi-prefabricated flexible waterproof membrane is placed in the deformation joint gap, the adhesive is coated on the upper part of the inner wall of the deformation joint gap, the lower plane of the deformation joint groove and the corner where the lower plane of the deformation joint groove is connected with the upper part of the deformation joint gap, the semi-prefabricated flexible waterproof membrane is compacted on the adhesive, and the semi-prefabricated flexible waterproof membrane is in a U shape in the deformation joint gap; the tire base cloth is stuck on the inner wall of the deformation joint groove by adopting the adhesive and is overlapped with the main waterproof layer, and when the adhesive is coated, the tire base cloth is thoroughly covered, and the thickness is 0.5-10mm;
2) Placing the flexible filling material on the semi-prefabricated flexible waterproof membrane, installing a second layer of the semi-prefabricated flexible waterproof membrane according to the same method, and so on, and arranging a plurality of layers of the semi-prefabricated flexible waterproof membranes until the uppermost semi-prefabricated flexible waterproof membrane is flush with the upper part of the deformation joint gap;
3) Placing the metal plate on the deformation joint slot, enabling the metal plate to cross the deformation joint slot, fixing the metal plate on one side of the deformation joint slot through the nails, pre-coating the sealant on one side of the nails to seal the nail holes, pre-paving the isolation diaphragm I between the other side of the deformation joint slot and the metal plate, and paving the isolation diaphragm II above the metal plate;
4) And filling the elastic mortar in the deformation joint grooves, and finally, integrally forming a layer of main body waterproof layer to cover the elastic mortar, wherein the elastic mortar and the main body waterproof layer are leveled with the matrix, and the main body waterproof layer and the waterproof layer formed by the tire base cloth under the coating of the adhesive are in seamless lap joint to form an integral body.
Compared with the prior art, the invention has the following technical effects:
1. according to the flexible waterproof structure of the deformation joint and the manufacturing method, the plurality of semi-prefabricated flexible waterproof films are arranged in the deformation joint, each semi-prefabricated flexible waterproof film and the tire base cloth at two sides are adhered to a base layer of the deformation joint through site construction and overlap joint with a main waterproof layer on the upstream surface of the deformation joint, so that a completely closed waterproof system is formed, flexible filling materials are adopted between two adjacent semi-prefabricated flexible waterproof films, so that the flexible waterproof layers are fully stretched in deformation of the deformation joint, a plurality of integral, flexible waterproof layers with U-shaped allowance changing along with the deformation joint are formed at the deformation joint, large displacement deformation of the deformation joint can be adapted, and even if one waterproof layer is damaged, the flexible waterproof films of other layers still exert efficacy through adopting the plurality of flexible waterproof films.
In the long-term deformation of the deformation joint, there are changes such as left-right stretching and compression changes, up-down asymmetric sedimentation changes, dislocation distortion changes and the like, and the adopted multi-channel U-shaped flexible structure has the characteristic of following the change of a matrix, so that the structure can adapt to various large deformations of the deformation joint and has good following performance; the substrate around the deformation joint is likely to crack in the actual use process, and because the plurality of flexible U-shaped waterproof films are overlapped with the main waterproof layers on the two sides of the deformation joint, even if the main waterproof layers on the upper part of the deformation joint facing the horizontal plane are damaged, the plurality of U-shaped waterproof layers still play a waterproof effect.
2. According to the flexible waterproof structure of the deformation joint and the manufacturing method, the metal plate spans the deformation joint gap, the metal plate is fixed on one side of the deformation joint groove by adopting nails, the isolation diaphragm is paved between the metal plate on the other side and the waterproof layer on the upper part of the deformation joint groove, and as the metal plate on the other side is not mechanically fixed, when the matrix structures on two sides deform, the matrix structures on two sides can slide freely, so that the flexible waterproof structure not only can adapt to displacement deformation, but also can support the mechanical pressure (such as vehicles and pedestrians) on the upstream surface and the pressure of the depth of water, has good effect on protecting the flexible waterproof film below, and greatly improves the durability of the flexible waterproof film in the deformation joint, thereby prolonging the waterproof function.
3. The flexible waterproof structure of the deformation joint and the manufacturing method thereof adopt elastic mortar to fill in the deformation joint groove and smear, can eliminate stress concentration when the whole deformation joint changes, can also protect a coating waterproof layer and a metal plate in the deformation joint groove, and the uppermost layer is covered by a main waterproof layer at two sides of the deformation joint, thereby having temporary waterproof work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a flexible waterproof structure of a deformation joint according to the present invention;
fig. 2 is a top plan view of the semi-prefabricated flexible waterproofing membrane of the present invention prior to installation;
figure 3 is a schematic representation of a semi-prefabricated flexible waterproofing membrane of the present invention in cross-section after bending prior to installation.
Reference numerals illustrate: 1. a main body waterproof layer; 2. a base; 3. elastic mortar; 4. semi-prefabricated flexible waterproof membrane I; 5. semi-prefabricated flexible waterproof membrane II; 6. semi-prefabricated flexible waterproof membrane III; 7. an adhesive; 8. a spacer block; 9. a flexible filler material; 10. a metal plate; 11. an isolation diaphragm I; 12. a nail; 13. an isolation diaphragm II; 14. a base fabric; 15. a flexible waterproof membrane.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-3, this embodiment provides a flexible waterproof structure of deformation joint, including the deformation joint that comprises base member 2, the deformation joint includes the deformation joint fluting of top and the deformation joint gap of below, the deformation joint fluting is the rectangular channel, deformation joint fluting top is provided with main part waterproof layer 1, be provided with spacer 8 in the deformation joint gap, spacer 8 top has set gradually half prefabricated flexible waterproof membrane iii 6, half prefabricated flexible waterproof membrane ii 5, half prefabricated flexible waterproof membrane i 4, half prefabricated flexible waterproof membrane is the U type, be provided with flexible filler material 9 between the two-layer half prefabricated flexible waterproof membrane that are adjacent, half prefabricated flexible waterproof membrane both sides are provided with child base cloth 14, half prefabricated flexible waterproof membrane is pasted on the inner wall of deformation joint gap and the lower plane of deformation joint fluting through adhesive 7, child base cloth 14 is pasted on the inner wall of deformation joint fluting and overlap joint with main part waterproof layer 1.
The deformation joint is internally provided with a plurality of semi-prefabricated flexible waterproof films, each semi-prefabricated flexible waterproof film and tyre base cloth 14 on two sides are bonded with a deformation joint base layer through site construction and are lapped with a main waterproof layer 1 on the upstream surface of the deformation joint, so that a completely closed waterproof system is formed, flexible filling materials 9 are adopted between two adjacent semi-prefabricated flexible waterproof films to fill the flexible waterproof films, so that the flexible waterproof layers are fully stretched in deformation joint deformation, a plurality of integral, flexible and U-shaped allowance waterproof layers which change along with the deformation joint are formed at the deformation joint, large displacement deformation of the deformation joint can be adapted, and by adopting a plurality of flexible waterproof films, even if one waterproof layer is damaged, the flexible waterproof films on other layers still exert efficacy, and the durability of the waterproof structure is improved.
The metal plate 10 is arranged on the deformation joint slot, the metal plate 10 spans the deformation joint slot, the metal plate 10 is fixed on one side of the deformation joint slot through the nail 12, a sealant is coated on one side of the nail 12 for sealing the hole of the nail 12, an isolation diaphragm I11 is laid between the groove inner plane of the U-shaped waterproof layer extending part of the other side of the deformation joint slot and the metal plate 10 in advance, an isolation diaphragm II 13 is laid above the metal plate 10, the metal plate 10 is separated from the deformation joint slot by arranging the isolation diaphragm I11, the isolation diaphragm II 13 is arranged to separate the metal plate 10 from the elastic mortar 3, meanwhile, the metal plate 10 on the other side is not mechanically fixed, when the structures of the base bodies 2 on the two sides are deformed, the metal plate can freely slide, and therefore, the metal plate 10 can adapt to displacement deformation, and simultaneously props up the mechanical pressure of the upstream surface and the pressure of water depth, has good efficacy on protecting the underlying flexible waterproof film, the durability of the flexible waterproof film in the deformation joint is greatly improved, and the waterproof function is prolonged.
The elastic mortar 3 is filled in the deformation joint grooves and trowelled, so that stress concentration during deformation joint change can be eliminated, the waterproof layers in the deformation joint grooves and the metal plate 10 can be protected, the uppermost layer is covered by the main waterproof layers 1 on two sides of the deformation joint, and temporary waterproof work efficiency is achieved.
In this embodiment, as shown in fig. 2, the semi-prefabricated flexible waterproof membrane has a rectangular structure, the thickness of the semi-prefabricated flexible waterproof membrane is 0.5-10mm, the width of the semi-prefabricated flexible waterproof membrane is greater than the width of the gap of the deformation joint, and the width of the tire base cloth 14 at two sides of the flexible waterproof membrane 15 is more than 30 mm. The semi-prefabricated flexible waterproof membrane is prefabricated and formed by adopting high molecular flexible materials, wherein the high molecular flexible materials are polyurethane materials, polyurethane urea materials, polyurea materials, acrylic materials, polysulfide materials, organosilicon materials, polyvinyl chloride materials, chlorosulfonated materials, polyisobutylene materials, neoprene materials, EPDM materials, butylbenzene materials, SBS, SEBS, SIS materials, rubber asphalt materials or asphalt polyurethane materials. The semi-prefabricated flexible waterproof film is a high-strength high-flexibility coating film, as shown in fig. 3, and can be easily tidied and bent to any radian and any deformation joint shape by adopting a manual or machine during site construction, so that the semi-prefabricated flexible waterproof film is suitable for the deformation joint.
The elastic mortar 3 is slurry formed by mixing flexible liquid materials with graded sand grains, and is a flexible material after solidification, wherein the compressive strength is more than 1.0MPa, the optimal compressive strength is more than 10MPa, the elongation at break is more than 1%, and the optimal elongation at break is more than 10%. The sand grains are quartz sand, silicon carbide, ceramic sand, porcelain sand, glass sand or small stones, and the flexible liquid material is polyurethane, polyurethane urea, polyurea, acrylic, polysulfide, organosilicon, rubber, asphalt or modified matters of the materials.
The spacer 8 is made of styrene foam material, polyurethane foam material, polyolefin material, phenolic material, cement mortar, polymer mortar, rubber asphalt or asphalt concrete.
The flexible filling material 9 is made of polystyrene foam rods, polystyrene particles, foam mortar, polyurethane foam, polymer mortar, rubber asphalt or asphalt mortar.
The adhesive 7 is a sealant or a thick paste coating, the sealant is polyurethane sealant, MS modified silane sealant, silicone sealant, polysulfide sealant, acrylic ester sealant, butyl sealant or neoprene sealant, and the thick paste coating is made of polyurethane, polyurethane urea, polyurea, acrylic acid, polysulfide, organosilicon, polyvinyl chloride, chlorosulfonation, polyisobutylene, neoprene, EPDM, butylbenzene, SBS, SEBS, SIS, rubber asphalt or asphalt polyurethane materials.
The isolating diaphragm I11 and the isolating diaphragm II 13 are made of PE polyethylene, PP polypropylene, polystyrene, ethylene propylene diene monomer, TPO, PVC, tetrafluoroethylene, silicone, polyurethane, natural rubber, chloroprene rubber, styrene butadiene rubber, acrylonitrile, polyester, nylon or ABS materials.
The material of the base body 2 is concrete or metal.
The embodiment also provides a manufacturing method of the flexible waterproof structure of the deformation joint, which is characterized by comprising the following steps:
1) The isolation block 8 is arranged in a deformation joint gap, a semi-prefabricated flexible waterproof film is placed in the deformation joint gap, an adhesive 7 is coated on the upper part of the inner wall of the deformation joint gap, the lower plane of a deformation joint groove and the corner where the upper plane and the lower plane are connected, the semi-prefabricated flexible waterproof film is compacted on the adhesive 7, and the semi-prefabricated flexible waterproof film is U-shaped in the deformation joint gap; adhering the tire base cloth 14 to the inner wall of the deformation joint groove by using an adhesive 7 and overlapping the tire base cloth 14 with the main body waterproof layer 1, and thoroughly covering the tire base cloth 14 when the adhesive 7 is coated, so that the thickness is 0.5-10mm;
2) A flexible filling material 9 is put on the semi-prefabricated flexible waterproof membrane, a second layer of semi-prefabricated flexible waterproof membrane is installed according to the same method, and the like, and a plurality of layers of semi-prefabricated flexible waterproof membranes are arranged until the uppermost semi-prefabricated flexible waterproof membrane is flush with the upper part of the deformation joint gap;
3) Placing a metal plate 10 on a deformation joint slot, wherein the metal plate 10 spans the deformation joint slot, fixing the metal plate 10 on one side of the deformation joint slot through nails 12, pre-coating sealant on one side of the nails to seal nail holes, pre-paving an isolation diaphragm I11 between the other side of the deformation joint slot and the metal plate 10, and paving an isolation diaphragm II 13 above the metal plate;
4) And filling elastic mortar 3 in the deformation joint grooves, and finally, integrally forming a layer of main body waterproof layer 1, covering the elastic mortar 3, wherein the elastic mortar 3 and the main body waterproof layer 1 are leveled with the matrix 2, and the main body waterproof layer 1 and the waterproof layer formed by the tire base cloth 14 coated by the adhesive 7 are in seamless lap joint to form an integral body.
It can be seen that, in this embodiment, a flexible waterproof structure for a deformation joint and a manufacturing method thereof are provided, a plurality of semi-prefabricated flexible waterproof films, a metal plate 10 with one side fixed and protection function, elastic mortar 3 and a main waterproof layer 1 are sequentially arranged from bottom to top to form a plurality of protections, so that the flexible waterproof structure can adapt to large displacement deformation of the deformation joint, and simultaneously, the mechanical pressure of an upstream surface and the pressure of water depth are resisted, so that the waterproof layer of the deformation joint is effectively protected, and the durability of the waterproof structure is greatly prolonged.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. The flexible waterproof structure of the deformation joint is characterized by comprising a deformation joint formed by a matrix, wherein the deformation joint comprises a deformation joint slot at the upper part and a deformation joint slot at the lower part, a main waterproof layer is arranged at the upper part of the deformation joint slot, a separation block is arranged in the deformation joint slot, a plurality of layers of semi-prefabricated flexible waterproof films are sequentially arranged at the upper part of the separation block, the semi-prefabricated flexible waterproof films are U-shaped, flexible filling materials are arranged between two adjacent layers of semi-prefabricated flexible waterproof films, two sides of each semi-prefabricated flexible waterproof film are provided with a base fabric, the semi-prefabricated flexible waterproof films are adhered to the inner wall of the deformation joint slot and the lower plane of the deformation joint slot through adhesives, and the base fabric is adhered to the inner wall of the deformation joint slot through adhesives and is lapped with the main waterproof layer; be provided with the metal sheet on the movement joint fluting, the metal sheet strides the movement joint gap, will through the nail the metal sheet is fixed in one side of movement joint fluting, the nail is gone into to one side coating of nail has the sealant and is used for sealing the nail eyelet, the movement joint fluting opposite side with isolation diaphragm I has been laid between the metal sheet, isolation diaphragm II has been laid to the metal sheet top, the movement joint fluting intussuseption is filled with elastic mortar, elastic mortar with the main part waterproof layer with the base member is leveled.
2. The flexible waterproof structure of a deformation joint according to claim 1, wherein the deformation joint is grooved as a rectangular groove or a trapezoid groove.
3. The flexible waterproof structure of the deformation joint according to claim 1, wherein the semi-prefabricated flexible waterproof membrane is of a rectangular structure, the thickness of the semi-prefabricated flexible waterproof membrane is 0.5-10mm, the width of the semi-prefabricated flexible waterproof membrane is larger than the width of the deformation joint gap, the width of the tire base cloth on two sides of the semi-prefabricated flexible waterproof membrane is more than 30mm, the semi-prefabricated flexible waterproof membrane is made of a high-molecular flexible material, and the high-molecular flexible material is polyurethane, polyurethane urea, polyurea, acrylic, polysulfide, organosilicon, polyvinyl chloride, chlorosulfonation, polyisobutylene, chlorobutyl, EPDM, butylbenzene, SBS, SEBS, SIS, rubber asphalt or asphalt polyurethane materials.
4. The flexible waterproof structure of the deformation joint according to claim 1, wherein the elastic mortar is slurry formed by mixing flexible liquid materials and graded sand grains, the sand grains are quartz sand, silicon carbide, ceramic sand, porcelain sand, glass sand or small stones, and the flexible liquid materials are polyurethane, polyurethane urea, polyurea, acrylic, polysulfide, organosilicon, rubber, asphalt or modified substances of the materials.
5. The flexible waterproof structure of the deformation joint according to claim 1, wherein the isolation block is made of styrene foam material, polyurethane foam material, polyolefin material, phenolic material, cement mortar, polymer mortar, rubber asphalt or asphalt concrete.
6. The flexible waterproof structure of the deformation joint according to claim 1, wherein the flexible filling material is polystyrene foam rod, polystyrene particles, foam mortar, polyurethane foam, polymer mortar, rubber asphalt or asphalt mortar.
7. The flexible waterproof structure of the deformation joint according to claim 1, wherein the adhesive is a sealant or a mastic coating, the sealant is a polyurethane sealant, a modified silane sealant, a silicone sealant, a polysulfide sealant, an acrylate sealant, a butyl sealant or a neoprene sealant, and the mastic coating is made of polyurethane, polyurethane urea, polyurea, acrylic, polysulfide, organosilicon, polyvinyl chloride, chlorosulfonated, polyisobutylene, neoprene, EPDM, styrene-butadiene, SBS, SEBS, SIS, rubber asphalt or asphalt polyurethane materials.
8. The flexible waterproof structure of deformation joints according to claim 1, wherein the isolation diaphragm i and the isolation diaphragm ii are made of PE polyethylene, PP polypropylene, polystyrene, ethylene propylene diene, TPO, PVC, tetrafluoroethylene, silicone, polyurethane, natural rubber, neoprene, styrene butadiene rubber, acrylonitrile, polyester, nylon or ABS.
9. The flexible waterproof structure of the deformation joint according to claim 1, wherein the material of the base body is concrete or metal.
10. A method of manufacturing a flexible waterproof structure for a deformation joint according to any one of claims 1 to 9, comprising the steps of:
1) The isolation block is arranged in the deformation joint gap, the semi-prefabricated flexible waterproof membrane is placed in the deformation joint gap, the adhesive is coated on the upper part of the inner wall of the deformation joint gap, the lower plane of the deformation joint groove and the corner where the lower plane of the deformation joint groove is connected with the upper part of the deformation joint gap, the semi-prefabricated flexible waterproof membrane is compacted on the adhesive, and the semi-prefabricated flexible waterproof membrane is in a U shape in the deformation joint gap; the tire base cloth is stuck on the inner wall of the deformation joint groove by adopting the adhesive and is overlapped with the main waterproof layer, and when the adhesive is coated, the tire base cloth is thoroughly covered, and the thickness is 0.5-10mm;
2) Placing the flexible filling material on the semi-prefabricated flexible waterproof membrane, installing a second layer of the semi-prefabricated flexible waterproof membrane according to the same method, and so on, and arranging a plurality of layers of the semi-prefabricated flexible waterproof membranes until the uppermost semi-prefabricated flexible waterproof membrane is flush with the upper part of the deformation joint gap;
3) Placing the metal plate on the deformation joint slot, enabling the metal plate to cross the deformation joint slot, fixing the metal plate on one side of the deformation joint slot through the nails, pre-coating the sealant on one side of the nails to seal the nail holes, pre-paving the isolation diaphragm I between the other side of the deformation joint slot and the metal plate, and paving the isolation diaphragm II above the metal plate;
4) And filling the elastic mortar in the deformation joint grooves, and finally, integrally forming a layer of main body waterproof layer to cover the elastic mortar, wherein the elastic mortar and the main body waterproof layer are leveled with the matrix, and the main body waterproof layer and the waterproof layer formed by the tire base cloth under the coating of the adhesive are in seamless lap joint to form an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232638.8A CN107842043B (en) | 2017-11-30 | 2017-11-30 | Flexible waterproof structure of deformation joint and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232638.8A CN107842043B (en) | 2017-11-30 | 2017-11-30 | Flexible waterproof structure of deformation joint and manufacturing method |
Publications (2)
| Publication Number | Publication Date |
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| CN107842043A CN107842043A (en) | 2018-03-27 |
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| CN108560738A (en) * | 2018-03-13 | 2018-09-21 | 广西金雨伞防水装饰有限公司 | A kind of seam class water proof structure and its construction technology and application |
| CN108867337B (en) * | 2018-09-10 | 2024-01-12 | 天津森聚柯密封涂层材料有限公司 | Waterproof structure of bridge joint and construction method |
| CN110499894A (en) * | 2019-08-30 | 2019-11-26 | 深圳市威尔地坪材料有限公司 | A kind of gas station's floor structure |
| CN112609847A (en) * | 2020-12-03 | 2021-04-06 | 中国建筑第八工程局有限公司 | Deformation joint structure capable of being simply manufactured and installed and construction method |
| CN113404171A (en) * | 2021-05-25 | 2021-09-17 | 机械工业第九设计研究院有限公司 | Novel drying room thermal expansion compensation structure |
| CN117645799A (en) * | 2024-01-29 | 2024-03-05 | 山西中科鹏宇建筑科技有限公司 | Resin modified rubber asphalt sealant for bridge expansion joints and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2649639Y (en) * | 2003-07-28 | 2004-10-20 | 赵志刚 | Improved durable, water-proofing, dust-free and shockproof expansion apparatus |
| CN201165709Y (en) * | 2007-08-13 | 2008-12-17 | 李树林 | Water-proof structure between underground penetrating structures |
| JP5343262B2 (en) * | 2009-05-28 | 2013-11-13 | 西武ポリマ化成株式会社 | Repair structure and repair method for flexible waterproof joint |
| CN102331328B (en) * | 2011-06-17 | 2013-05-08 | 吴兆圣 | Field hydrostatic test method for water-proof system of building deformation joint |
| CN103469973B (en) * | 2013-09-24 | 2016-03-02 | 扬州大学 | A kind of flat seam type, detachable deformation joint of roof and building method thereof |
| CN104631498B (en) * | 2014-12-29 | 2016-06-01 | 大连理工大学 | A kind of interchangeable enhancement type immersed tube tunnel water proofing joint |
| CN204919837U (en) * | 2015-09-09 | 2015-12-30 | 中国建筑一局(集团)有限公司 | Waterproof structure of outdoor movement joint of high type such as roofing |
| CN106013473A (en) * | 2016-07-06 | 2016-10-12 | 铁道第三勘察设计院集团有限公司 | Deformation joint structure for light rail elevated station and construction method thereof |
| CN206279639U (en) * | 2016-11-08 | 2017-06-27 | 北京博大经开建设有限公司 | Vestibule movement joint |
| CN206448603U (en) * | 2016-12-31 | 2017-08-29 | 中国能源建设集团山西省电力勘测设计院有限公司 | A kind of concrete flue movement joint |
| CN107355014A (en) * | 2017-06-21 | 2017-11-17 | 中国十七冶集团有限公司 | A kind of construction method of prefabricated superimposed sheet movement joint crack resistence water-impervious |
| CN207525791U (en) * | 2017-11-30 | 2018-06-22 | 天津森聚柯密封涂层材料有限公司 | A kind of flexible water structure of deformation joint |
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