Two-way stretchable rubber water-stop sheet used at the intersection of bridge expansion joints and settlement joints and its construction method

Abstract

The invention relates to a bi-directional expansion rubber water stop strip applicable to the intersection of an expansion joint and a settlement joint of a bridge, and a construction method of the bi-directional expansion rubber water stop strip. The expansion joint and the settlement joint are both cut off and spaced, and the bi-directional expansion rubber water stop strip is in a U shape and is provided with a folded area in the length direction. Due to the fact that the expansion joint and the settlement joint are both directly cut off and spaced, the requirement for bi-directional expansion is met, and water prevention is achieved by adopting the curved bi-directional expansion waterproof rubber water stop strip. U-shaped rubber is provided with a curved U-like section, so that original stretching or settlement is ensured, on this basis, the folded area of the certain length is additionally arranged at the intersection in the length direction of the rubber, the requirement for expansion in the length direction is met, and tensile fracture of the rubber at the intersection in the length direction is avoided.

Description

technical field [0001] The invention relates to the field of bridge construction, and more specifically relates to a bidirectional stretchable rubber water-stop sheet used at the intersection of bridge expansion joints and settlement joints. Background technique [0002] In order to meet the demand of increasing traffic volume, a large number of new highway bridges are put into use every year. Although this can alleviate the traffic to a certain extent, the investment is large, the cost is high, and it will waste resources on the original old bridges, which is not conducive to For the sustainable development of highway and bridge construction, with the improvement of the national highway network, the number of newly built highway bridges must gradually decrease. It seems very necessary. [0003] Due to the long-term working condition of the old bridge, the consolidation of the foundation and the settlement of the foundation have been basically completed under the long-term ...

AI Technical Summary

Problems solved by technology

U-shaped rubber is used for the waterproofing of settlement joints and expansion joints, but at the intersection of the two, the waterproof rubber of the settlement joints cannot meet the settlement deformation of the old and new bridges, and the rubber of the settlement joints cannot meet the tensile deformation in the direction of the expansion joints, and the U The type rubber cannot be cut off, and only one plane cannot solve the problem of two-way stretching of the water-stop sheet

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