Large-angle inclined leg pier pouring construction method

A construction method and a large-angle technology, applied in bridges, buildings, bridge parts, etc., can solve the problems of inability to set up supporting structures, small space for the bearing platform, etc., and achieve good overall stability, high positioning accuracy, and small footprint. Effect

Active Publication Date: 2016-08-03
SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING (GROUP) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a construction method for pouring large-angle slanted-leg piers according to the defi

Method used

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  • Large-angle inclined leg pier pouring construction method
  • Large-angle inclined leg pier pouring construction method
  • Large-angle inclined leg pier pouring construction method

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Embodiment

[0021] Example: such as Figure 1-6 As shown, this embodiment specifically relates to a construction method for pouring a large-angle oblique-leg pier. The slope of the pier body 19 is greater than 60°, and the construction method specifically includes the following steps:

[0022] (1) Connect and position the pier foot 6 of the pier body on the basis of the cap 2:

[0023] 1a) if Figure 1-3 As shown, the cap 2 is set in the cofferdam 1. Firstly, the back cover concrete construction of the foundation of the cap 2 is carried out up to the design elevation, and then a number of embedded parts 3 are arranged on the bottom cover concrete of the cap 2 corresponding to the designed positions of the piers. , the number and arrangement positions of the embedded parts 3 correspond to the number and positions of the bottom pipes of the temporary support one by one; after that, the concrete cushion layer 4 of the platform cap 2 is poured on the back cover concrete, and the thickness o...

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Abstract

The invention discloses a large-angle inclined leg pier pouring construction method. An inclined leg pier is composed of a V-shaped pier body and a cover beam transversely erected at the top end of the pier body. The construction method is characterized by including the following steps that the bottom of the pier body of the inclined leg pier and a bearing platform are located, connected and fixed; formworks of the pier body are installed, and a supporting structure for the formworks of the pier body is erected, wherein the supporting structure comprises a supporting piece using a cofferdam on the outer side of the bearing platform and a transverse circuit purlin of the bearing platform as a counter force platform to support the formworks of the pier body, and then the pier body is poured in the vertical direction layer by layer; and a formwork of the cover beam and the supporting structure of the formwork are installed, and the cover beam is poured. The method has the beneficial effects that the special structure of the cofferdam in water around the bearing platform and the circuit purlin of the bearing platform is used for erecting a supporting structure of the inclined leg pier, the occupied area is small, the overall stability of the supporting structure is good, the locating accuracy of the structure of the inclined leg pier is high, and the construction efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering, and in particular relates to a construction method for pouring large-angle slanted-leg bridge piers. Background technique [0002] As for the "▽" large-angle slanted-leg piers (including tie beams), they are not common in bridge construction. The body itself will generate a strong horizontal thrust, which brings great difficulty to ensure the accurate positioning of the slope of the pier body and the overall stability during the construction process. Once the formwork support system has local deformation or even instability, it will lead to abnormal pier body. Quality defects such as symmetrical deformation, stress cracks, and the inability of the tie beam formwork to match the finished pier body during installation. In addition, in the pouring construction of tie beams (cover beams), due to the small distance between the bottom of a pair of slanted-leg piers, there is not enough site...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D19/02
CPCE01D19/02E01D21/00
Inventor 陈立生赵国强朱金龙黄志巍费利明张健戴慧丽
Owner SHANGHAI URBAN CONSTRUCTION MUNICIPAL ENGINEERING (GROUP) CO LTD
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