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Expansion-joint-free bridge and construction method

A technology of expansion joints and bridges, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of poor vertical bearing capacity and horizontal deformation resistance of pile foundations

Pending Publication Date: 2020-03-17
SHENZHEN MUNICIPAL DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Based on this, it is necessary to provide a bridge without expansion joints and a construction method for the poor vertical bearing capacity and horizontal deformation resistance of pile foundations.

Method used

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  • Expansion-joint-free bridge and construction method
  • Expansion-joint-free bridge and construction method
  • Expansion-joint-free bridge and construction method

Examples

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Embodiment Construction

[0040] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0041] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of ill...

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Abstract

The invention relates to an expansion-joint-free bridge and a construction method. The expansion-joint-free bridge comprises a bridge deck slab, an integral abutment, and a main beam, wherein the integral abutment comprises a first connecting column, a second connecting column, a connecting assembly and a pile foundation; the first end of the first connecting column is fixed to the pile foundation; the second end of the first connecting column and the second end of the second connecting column are connected through the connecting assembly; the connecting assembly comprises an arch part, and the arch part is provided with an arc surface; and the main beam is connected with the second connecting column and the bridge deck slab. The expansion-joint-free bridge construction method comprises the steps that a first connecting column is fixed to a pile foundation; the main beam is fixed to a second connecting column; the second connecting column is connected with the first connecting column through a connecting assembly; the connecting assembly comprises an arch-shaped part, and the arch-shaped part is provided with an arc-shaped face, and the second connecting column can swing along thearc-shaped face relative to the first connecting column; a bridge deck slab is poured; gaps among the first connecting column, the connecting assembly and the second connecting column are sealed and solidified; and the end beam is poured. The expansion-joint-free bridge and the construction method are high in the horizontal deformation resistance.

Description

technical field [0001] The invention relates to the technical field of bridges, in particular to a bridge without expansion joints and a construction method. Background technique [0002] Bridges will undergo expansion and deformation when the temperature changes. In order to eliminate the impact of deformation on the structure, expansion joints are generally installed in the bridge structure, and expansion devices are installed on the expansion joints. However, the expansion devices are easily damaged or fail, which affects the normal use of the bridge. At present, seamless bridges without expansion joints are mostly used. Due to the cancellation of expansion devices, the expansion and contraction deformation of the bridge superstructure is mainly borne by the pile foundation. In order to meet the expansion and contraction deformation of the bridge body and improve the seismic performance, flexible pile foundations are generally used, but the pile foundation has to bear the...

Claims

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Application Information

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IPC IPC(8): E01D19/00E01D19/02E01D19/12
CPCE01D19/00E01D19/02E01D19/125
Inventor 陈宜言许有胜何晓晖赵秋丁俊凯王远洋于芳
Owner SHENZHEN MUNICIPAL DESIGN & RES INST
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