Double-column type pier prefabricated bearing platform structure and construction method thereof

A technology of prefabricated caps and construction methods, applied in manufacturing tools, infrastructure engineering, ceramic molding machines, etc., can solve problems such as difficult control of maintenance quality, achieve the effects of ensuring connection and installation procedures, reducing on-site construction, and improving positioning accuracy

Pending Publication Date: 2019-09-06
ZHEJIANG PROVINCIAL INST OF COMM PLANNING DESIGN & RES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] 2) For areas with poor construction conditions such as mountainous areas and hills, there are turnover and transportation problems of construction equipment such as formwork;
[0014] 4) On-site maintenance is required for the cap after pouring, and the maintenance quality is difficult to control

Method used

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  • Double-column type pier prefabricated bearing platform structure and construction method thereof
  • Double-column type pier prefabricated bearing platform structure and construction method thereof
  • Double-column type pier prefabricated bearing platform structure and construction method thereof

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Embodiment Construction

[0044] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] The basic structure of the double-column pier prefabricated cap of the present invention is as follows: Figure 4As shown, the plane shape of the prefabricated cap 1 of this double-column pier adopts a dumbbell shape, and openings are reserved at the corresponding positions of the pile foundation and the pier body column, and the size of the inner cavity 2 of the opening should be slightly larger than the diameter of the pile body, so The overall dimension of the bearing platform needs to be slightly larger than the size of the traditional bearing platform, but the overall weight can still be equal to or even lighter than the traditional bearing platform, so it is convenient to control the weight of the prefabricated bearing platform with openings b...

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Abstract

The invention discloses a double-column type pier prefabricated bearing platform structure and a construction method thereof, and can realize factory prefabrication of the double-column type pier bearing platform. The construction method comprises the steps that the formwork erecting of the bearing platform is carried out, steel bars binding and pouring are carried out and the positioning of the prefabricated pier body stand column pre-buried steel bar are carried out in a factory standardized process. According to the double-column type pier prefabricated bearing platform structure and the construction method thereof, the conventional cast-in-place double-column type bridge pier bearing platform is prefabricated, and meanwhile, the situation that a former double-column type bridge pier bearing platform needs on-site formwork erecting, steel bar binding, pouring vibrating and curing is changed into a prefabrication mode in a factory; the prefabricated bearing platform is provided withintegral transportation and hoisting conditions, the prefabricated bearing platform is matched with the integrated bridge girder erection machine and can be used for realizing the transportation and integrated erection of the prefabricated bearing platform girder.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering, and in particular relates to a double-column pier prefabricated cap structure and a construction method thereof. Background technique [0002] The fully prefabricated assembly technology of land bridges has been gradually promoted and applied in our country. At present, the pier column, cover beam and superstructure have been prefabricated, and the reliable connection between the prefabricated components can be guaranteed by grouting sleeve connection and other processes, but the caps are still cast on site. Taking the column-type pier cap as an example, the traditional double-column pier cap needs to be poured on-site after the pile foundation construction is completed. The specific construction process is as follows: [0003] 1) After the pile foundation construction is completed and the strength conditions are met, the process of setting up the formwork of the cap, processing and b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B23/02E02D27/14E02D27/42
CPCB28B23/02E02D27/14E02D27/42
Inventor 李磊庄万律魏益峰卢也森王昌将陈向阳
Owner ZHEJIANG PROVINCIAL INST OF COMM PLANNING DESIGN & RES CO LTD
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