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Waterproof structure and construction method thereof

A waterproof structure and construction method technology, applied in the direction of building components, building structures, building maintenance, etc., can solve problems such as appearance problems, inability to operate, and inappropriateness, and achieve the effects of reducing tensile stress, reducing thickness, and eliminating stress concentration. Effect

Active Publication Date: 2017-10-20
TIANJIN SENJUKE SEAL COATING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a seam solution style, but it is lapped to the outer edge of the seam, and it is not suitable for appearance requirements
For some seams that cannot be bridged by mesh cloth coating or bridge technology are not allowed to be waterproof, as well as problems with the appearance of bridges, or no way to operate, etc., innovative methods are needed to solve them

Method used

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  • Waterproof structure and construction method thereof
  • Waterproof structure and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] For the waterproofing of the exterior wall panels of prefabricated buildings, the joint width is 25mm, including the transverse seams and vertical seams of the exterior walls. The actual seam width is 22-27mm, the narrow part is 22mm, the wide part is 27mm, and most of them are about 25mm. In order to ensure the durability of the waterproof function, it is proposed to adopt three elastomer film waterproofing in the multi-channel waterproofing of the present invention.

[0098] A. Insert the positioning foam rod 3, the height of the positioning foam rod 3 is 28mm, and the width is 30mm. The inner part of the cross section of the positioning foam rod 3 is an arc surface, and the outer part is a plane with chamfering, and the length of the chamfering side is 4*4mm *mm; Use the positioning device to adjust the scale of the positioning plate 12 to 62mm, press the positioning foam rod 3 into the joint 2, push the positioning plate 12 against the outer edge of the joint, push ...

Embodiment 2

[0105] The inner seams of the pipe gallery are waterproof. The inner side is a rubber waterstop, and the joint width of the pipe gallery is 50mm, which is constructed from the inside of the pipe gallery to the joint.

[0106] A. Use a roller to coat the base treatment agent SJKR EXHT on the inner wall 1 of the joint of the pipe gallery, and dry for 4-18 hours;

[0107] B. Use the positioning foam rod 3 (height 53mm, width 50mm), use the positioning device, set the scale plate scale 186mm, push the positioning foam rod 3 to the seam opening 186mm away from the construction side, and set the seam around;

[0108] C. Cut the width of the scraper 19 under the nozzle to 45mm, the distance between the scraper and the nozzle outlet is 10mm, adjust the positioning scale of the nozzle to 177mm, extend into the seam 2, inject polyurethane sealant SJK1907, and push forward , along the corridor;

[0109] D. Adjust the spacer bar 7 (height 50mm, width 50mm) to 128mm using the positioning...

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Abstract

The invention discloses a waterproof structure. The waterproof structure comprises positioning foam bars, a plurality of elastic body waterproof layers and isolating bars. The positioning foam bars are used for being placed on the inner side of a joint, the elastic body waterproof layers are adhered to the outer sides of the positioning foam bars, and the isolating bars are arranged between the elastic body waterproof layers correspondingly. The waterproof structure is composed of the multiple elastic body waterproof layers, has an over long waterproof function and is good in durability. Through the structure that a plurality of elastic bodies (sealants and coating films) and the multiple isolating bars are spaced, the thicknesses of the elastic bodies (the sealants and thick coatings) are decreased, so that the tensile stress of each elastic body is reduced, stress concentration is effectively eliminated, and the durability of the sealants is improved accordingly. According to the construction method of the waterproof structure, accurate positioning of the elastic bodies and the foam bars can be achieved, elastic layers and the positioning bars can be better combined in a sealed mode, and the overall performance of the waterproof structure is improved.

Description

technical field [0001] The invention relates to the technical field of building joint construction, in particular to a waterproof structure and a construction method thereof. Background technique [0002] Most of the existing joints are sealed with sealant to achieve the purpose of waterproofing. For the joints of non-porous base materials, such as glass curtain walls and metal curtain walls, the joint waterproofing seems to be effective. But for the joints of porous materials, such as concrete, reinforced concrete, stone, mineral wool boards, wood and other joints, the water leakage phenomenon is more serious and the durability is short. Now the usual porous material seams are still sealed with circular foam rods and sealants for waterproofing. The cross-sectional diameter of the usual circular foam rod is generally larger than the width of the seam, such as about 2 mm larger than the width of the seam, and is used for extrusion positioning to send the foam rod to a design...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/68E04B1/682E04B1/684E04G23/02
CPCE04B1/68E04B1/6801E04B1/6806E04B1/6812E04G23/0203E04G23/0211
Inventor 余建平丁海涛余浩
Owner TIANJIN SENJUKE SEAL COATING MATERIALS CO LTD
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