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

A concrete and concrete reinforcement technology, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of large waste, insufficient bearing capacity, accidents, etc., and achieve the effects of reduced engineering cost, simple production, and flexible and convenient use.

Inactive Publication Date: 2014-01-08
宋功业
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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

Method used

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

Examples

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Embodiment Construction

[0016] In the accompanying drawings, a concrete wedge-shaped pad for pushing construction of a long-span steel structure bridge includes a steel frame 1, a double-layer steel mesh sheet 2, a concrete reinforcement layer 3 and a suspension ring 4; the concrete wedge-shaped pad has a wedge-shaped steel Frame 1, the steel frame 1 is laid with a double-layer steel mesh 2, and the double-layer steel mesh 2 is welded and fixed to the steel frame 1; a flat concrete reinforcement layer 3 is poured in the steel frame 1, and the The thickness of the concrete reinforcement layer 3 is equal to the depth of the steel frame 1; one side of the steel frame 1 is fixedly connected with a suspension ring 4.

[0017] The size of the concrete wedge block is: length 700-900 mm, width 500-700 mm, the minimum thickness of the wedge block is 30 mm, the maximum thickness is 80-300 mm, and the block is smooth and flat.

[0018] The steel frame 1 is welded by steel plates with a thickness of 1-2 mm, and ...

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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...

Claims

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Application Information

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IPC IPC(8): E01D21/06
Inventor 宋功业
Owner 宋功业
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