Insertion-type detachable expansion joint plate and construction method

Abstract

The invention discloses an insertion-type detachable expansion joint plate. The insertion-type detachable expansion joint plate is a flat plate formed by splicing an upper plate body with a lower plate body through concave-convex grooves, wherein the width of the flat plate is equal to the thickness of a road panel; the width of the upper plate body is equal to the height of a filling joint; the concave-convex grooves which can be matched with each other are formed in the long thick surface of the upper plate body and the long thick surface of the lower plate body. By adopting the expansion joint plate for construction, the construction processes can be reduced, the construction time can be shortened, and the construction efficiency of road construction can be improved.

Description

technical field [0001] The invention belongs to the technical field of cement concrete pavement construction, and relates to a cement pavement expansion joint structure and a construction method thereof, in particular to a socket type detachable expansion joint plate and a construction method. Background technique [0002] The statements herein merely provide background information related to the present invention and may not necessarily constitute prior art. [0003] Expansion joints refer to the expansion joints set on the cement concrete road slab, and its function is to make the cement concrete slab expand freely when the temperature rises. [0004] According to the analysis of the failure mechanism of expansion joints, the construction of expansion joints should do the following: [0005] (1) Dowel bar: Whether the positioning of the expansion joint dowel bar is accurate is the key to the success or failure of the expansion joint construction. The dowel bar must be cle...

AI Technical Summary

Problems solved by technology

[0008] Among them, the two methods for the width of the expansion joints have the following disadvantages. The first method is to use foam boards: the strength of the foam boards is not high, and it is easy to bend and deform during construction, resulting in uneven expansion joints and affecting the appearance

The second method of directly chiseling out the expansion joint board: it is necessary to chisel off the height of 20-40mm, the construction is difficult, the quality is difficult to guarantee, and the road surface is easy to be damaged during the construction process

Images