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Concrete layered pouring type arch ring construction method

A technology of layered pouring and construction method, applied in arch bridges, buildings, bridge forms, etc., can solve the problems of steel arches being unable to carry loads, twisting deformation, collapse, etc. force effect

Inactive Publication Date: 2020-11-06
中铁十七局集团第三工程有限公司
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a concrete layered pouring arch ring construction method, which aims to solve the technical problem that the steel arch frame cannot bear the load during the concrete pouring process and will be distorted, deformed or even collapsed

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  • Concrete layered pouring type arch ring construction method

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Embodiment Construction

[0024] The concrete layered pouring arch ring construction method provided by the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] see figure 1 , a kind of concrete layered pouring type arch ring construction method provided by the invention, comprises the following steps:

[0026] construction of abutments;

[0027] Install steel arches;

[0028] Install steel bars and embedded parts;

[0029] Install the template;

[0030] The arch ring concrete is poured in layers and sections;

[0031] After curing, the formwork and steel arches are removed.

[0032] Further, the concrete pouring of the arch ring adopts symmetrical segmented ring construction, and the arch ring is divided into 5 sections in the longitudinal direction, and the vertical ring is divided into 2 rings. First, the first ring is poured and formed into a ring to achieve the design The pouring of the second ring is carried out a...

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Abstract

The invention provides a concrete layered pouring type arch ring construction method, which belongs to the technical field of arch bridge construction devices. The method comprises the steps of carrying out arch support construction; mounting a steel arch frame; installing reinforcing steel bars and embedded parts; mounting a formwork; pouring arch ring concrete in a layered and segmented mode; and after maintenance, removing the formwork and the steel arch frame. The technical problem that in the concrete pouring process, the steel arch frame cannot bear loads, and consequently distortion anddeformation and even collapse happen is solved.

Description

technical field [0001] The invention belongs to the technical field of arch bridge construction devices, and more specifically relates to a concrete layered pouring type arch ring construction method. Background technique [0002] Arch bridges are the most common construction projects that cross rivers and mountains. The construction process of arch bridges needs to be rigorous and follow the design standards. Uneven stress causes the supporting steel arch to tilt, bend, twist or even collapse due to overload. Contents of the invention [0003] The object of the present invention is to provide a concrete layered pouring method for arch ring construction, aiming to solve the technical problem that the steel arch frame cannot bear the load during the concrete pouring process, and thus twists, deforms or even collapses. [0004] In order to achieve the above object, the technical solution adopted by the present invention is to provide a concrete layered pouring arch ring con...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D4/00E01D101/26
CPCE01D4/00E01D21/00E01D2101/26
Inventor 周永明续志勇徐君诚齐丙涛郑春海余斌
Owner 中铁十七局集团第三工程有限公司
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