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Caulking strip for bridge type steel expansion joint

An expansion joint and section steel technology, applied in bridges, bridge construction, bridge parts, etc., can solve the problems of inability to adapt to the displacement deformation of bridge expansion joints, poor displacement deformation performance, poor elastic recovery performance, etc., to improve labor efficiency, good elasticity and The effect of deformation recovery ability and convenient construction

Inactive Publication Date: 2017-05-24
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The displacement and deformation performance and elastic recovery performance of the original cement concrete pavement caulking strips are poor, and they cannot adapt to the large displacement and deformation of bridge expansion joints

Method used

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  • Caulking strip for bridge type steel expansion joint
  • Caulking strip for bridge type steel expansion joint
  • Caulking strip for bridge type steel expansion joint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Referring to the accompanying drawings, a caulking liner for bridge-shaped steel expansion joints, a pair of shaped steel 4 are arranged on both sides of the expansion joint as mirror images of each other to form a shaped steel expansion joint, and the inner sides of the shaped steel 4 are provided with grooves with openings facing the expansion joints The two ends of the sealing strip 5 are respectively embedded in the groove, and the middle of the sealing strip 5 is lower than the two ends, so as to form an upward slot with the shaped steel surround 4 on both sides;

[0026] The caulking strip is used to be arranged in the slot, and the caulking strip has elasticity; the caulking strip includes a main body 1, and the two outer sides of the main body 1 along the horizontal direction are provided for contact with the slot. The adhesive layer 3 bonded to the inner wall surface of the body 1, the top surface of the body 1 is a convex arc surface; the body 1 is provided wit...

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Abstract

The invention relates to a caulking strip for a bridge type steel expansion joint. A pair of shape steel is arranged on two sides of the expansion joint in a mirror image manner to form a shape steel expansion joint, and a groove with an opening facing the expansion joint is formed in in the inner side of each shape steel; two ends of a sealing strip are respectively embedded into the grooves, the middle of the sealing strip is lower than two ends of the sealing strip, and the sealing strip and the shape steel on two sides form a seam with an upward opening in an enclosed manner; the elastic caulking strip is arranged in the seam. The caulking strip comprises a body and is characterized in that two outer sides, along a horizontal direction, of the body are provided with adhesive layers used for being adhered to the inner wall face of the seam, and the top surface of the body is an outward-protruding arc-shaped face; a plurality layers of support binding strips are vertically arranged in the body at intervals, and the elastic support binding strips extend from one side of the body to the other side of the body along a horizontal direction.

Description

technical field [0001] The invention relates to a caulking lining strip for bridge steel expansion joints. Background technique [0002] Bridge expansion joints are an important part of bridge design. Expansion joints can adapt to the relative movement of the bridge deck caused by temperature changes, vehicle loads and other factors, so that the bridge components remain in a constant state under expansion and contraction. Expansion joints are exposed to the air for a long time, the use environment is harsh, easy to damage and difficult to repair, which directly affects the driving safety and the health of the bridge structure. The caulking and sealing construction of the bridge expansion joints can effectively avoid the failure of the expansion joints caused by the blockage of gravel and other debris, and protect the lower structure from the corrosion of rain, snow, water, dust, and corrosive deicing chemicals. [0003] In the field of bridge expansion joints, there is no ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/06
CPCE01D19/06
Inventor 卢彭真
Owner ZHEJIANG UNIV OF TECH
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