Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Water conservancy project concrete member expansion joint or crack sealing-up and seepage-proofing method

A technology of hydraulic concrete and expansion joints, which is applied in water conservancy projects, sea area projects, buildings, etc. It can solve problems such as difficulty in ensuring surface flatness, clumsiness, and limited sealing ability of rubber plates, so as to improve water pressure resistance and strength , ideal sealing effect

Inactive Publication Date: 2010-05-05
CHINA INST OF WATER RESOURCES & HYDROPOWER RES +1
View PDF0 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, it is difficult to ensure the surface flatness of large-volume poured hydraulic concrete components, and the sealing ability of prefabricated rubber sheets is limited; when the seams are tortuous and changeable, and have non-planar spatial forms, this measure is especially clumsy invalid

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Water conservancy project concrete member expansion joint or crack sealing-up and seepage-proofing method
  • Water conservancy project concrete member expansion joint or crack sealing-up and seepage-proofing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] Firstly, set the support on the top of the expansion joint or crack of the hydraulic concrete member, and then use flexible caulking material to seal the surface of the expansion joint or crack of the concrete member around the support to form a sealed filling layer, and then seal the outer periphery of the sealing filling layer and the two sides of the seam The surface of the component with a certain width on the side is coated with a material that forms a flexible film on site as a protective layer.

[0014] The material that forms a flexible film on site is a flowable liquid before coating, and becomes a flexible solid film after being coated on the surface of an object for a period of time. The material for forming the flexible film on site is a polyurea series material. The material forming a flexible film in situ has its strength enhanced by the addition of flexible fibers and / or fiber cloth. A bonding material is used between the film-forming material and the su...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a water conservancy project concrete member expansion joint or crack sealing-up and seepage-proofing method. The invention uses a material combination of flexible filleting material and on-site coated flexible film. First, the flexible filleting material is used for sealing the surface of concrete member expansion joint or crack, then the filleting material and the member of certain width at two sides of the joint or crack are coated to form flexible film material on site, the on-site coated flexible film can be flowing liquid and change into flexible solid film after being coated on the object surface, the strength of the on-site coated flexible film can be reinforced by adding flexible fiber and / or fiber fabric, adhesive material is arranged between the filming material and the surface of the member to ensure the filming material and the member to be tightly bonded. The method improves water pressure resisting capacity of the entire seepage-proofing structure, and enhances the capacity thereof adapting to change of joint / crack opening, thus being suitable for various complex joint / crack surface with ideal sealing effect and no joint problem.

Description

technical field [0001] The invention relates to a water-proof and anti-seepage method for a hydraulic concrete component, in particular to a method for water-stop and anti-seepage by using a flexible caulking material and an on-site coating film-forming material in combination. Background technique [0002] Expansion joints or cracks are usually arranged on the concrete members of hydraulic structures such as hydropower stations, water conveyance channels, water conveyance tunnels and water conveyance aqueducts. For the sealing treatment of these joints, on the one hand, the effect of water sealing and anti-seepage must be good, and it can withstand the corresponding degree of water pressure; out of shape. Therefore, the water-stop treatment of expansion joints or cracks of hydraulic concrete members has always been a technical difficulty in the field of hydraulic engineering; this difficulty becomes particularly prominent when there is a pressure of tens of meters or even ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): E02B3/16
Inventor 孙志恒杨伟才何旭升鲍志强甄理马宇李守辉夏世法李萌赵波李敬玮
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com