Wedge-shaped concrete cushion block for long-span steel structure bridge incremental launching construction

Abstract

The invention relates to a wedge-shaped concrete cushion block for long-span steel structure bridge incremental launching construction. The wedge-shaped concrete cushion block comprises a steel frame, a double-layer steel bar mesh sheet, a concrete strengthening layer and a flying ring. The wedge-shaped concrete cushion block is provided with the wedge-shaped steel frame, the interior of the steel frame is paved with the double-layer steel bar mesh sheet, and the double-layer steel bar mesh sheet and the steel frame are fixed in a welding mode. The smooth concrete strengthening layer is poured into the steel frame, and the thickness of the concrete strengthening layer is equal to the depth of the steel frame. One side face of the steel frame is fixedly connected with the flying ring, the wedge-shaped concrete cushion block is easy to manufacture, and different cushion blocks with different thicknesses can be manufactured so that the construction requirement can be met; the using process is flexible and convenient, and the rectangular concrete cushion block can be used repeatedly so that the construction cost can be greatly reduced.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a concrete wedge-shaped pad for jacking construction of a long-span steel structure bridge. Background technique [0002] Existing long-span steel structure bridge jacking construction must use multiple columns to support the bridge body, and these columns not only bear the weight of the bridge body, the vertical load during construction, but also bear the lateral load. Insufficient carrying capacity in any aspect will lead to accidents. Between the column and the equipment, and between the equipment and the bridge body, spacers are required to adjust the height. The existing technology uses steel spacers. After a large number of steel plates with different thicknesses are cut into spacers, it is difficult to use them for other purposes, and it is a lot of waste. big. Contents of the invention [0003] In order to solve the above problems, the present invention proposes a...

AI Technical Summary

Problems solved by technology

Insufficient carrying capacity in any aspect will lead to accidents

Between the column and the equipment, and between the equipment and the bridge body, spacers are required to adjust the height. The existing technology uses steel spacers. After a large number of steel plates with different thicknesses are cut into spacers, it is difficult to use them for other purposes, and it is a lot of waste. Big

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