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Construction method of bridge bearing platform

A construction method and technology for bridges, applied in infrastructure engineering, construction, etc., can solve problems such as difficulty in ensuring the quality of concrete structures, and achieve the effects of ensuring solidification and hardening quality, reducing thermal stress, and improving strength

Active Publication Date: 2016-05-04
广西长兴工程建设有限公司 +1
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Problems solved by technology

[0006] The purpose of the present invention is to provide a construction method for bridge caps in view of the problem that the quality of the concrete structure is difficult to be guaranteed due to the heat of hydration in the current construction process of large-volume concrete structures

Method used

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  • Construction method of bridge bearing platform
  • Construction method of bridge bearing platform
  • Construction method of bridge bearing platform

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Embodiment Construction

[0064] Below in conjunction with accompanying drawing, the present invention is described in detail.

[0065] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0066] Examples such as Figure 1-4 as shown,

[0067] A construction method for a bridge cap: comprising the steps in turn:

[0068] A: Stratify the bridge cap to be poured in the vertical direction;

[0069] B: According to the layering of step A, pour the bottom layer of concrete;

[0070] C: After the concrete in step B is solidified, continue to repeat the concrete pouring method in step B, and pour concrete layer by layer until the cap is poured.

[0071] In the step B, during the concret...

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Abstract

The invention relates to the technical field of bridge construction, in particular to a construction method of a bridge bearing platform. The construction method sequentially includes the following steps that A, the bridge bearing platform to be cast is layered in the vertical direction; B, according to layering in the step A, concrete of the bottommost layer is poured; and C, after the concrete poured in the step B is solidified, a concrete pouring method in the step B is repeated, and concrete is poured layer by layer until casting of the bearing platform is completed. According to the scheme of the invention, when casting construction of the bridge bearing platform is carried out, the bridge bearing platform is layered firstly; besides, cooling devices are arranged to cool the interior of the concrete, temperature differences between various positions in a concrete structure are reduced, and thus the thermal stress in the concrete structure is reduced, the residual stress after the concrete structure is hardened is reduced, and the risk that cracks occur in the concrete structure is reduced; and in this way, the structural quality of the concrete structure is guaranteed.

Description

technical field [0001] The invention relates to the technical field of bridge building construction, in particular to a construction method for a bridge cap. Background technique [0002] As a common structure spanning complex terrain, bridges are important transportation infrastructure for modern construction. During the construction of bridges, a large number of concrete pouring processes will be involved. For large concrete structures such as bridge caps, how to Ensuring the pouring quality of concrete is an unavoidable problem in bridge construction at present. [0003] At present, the usual solution includes two aspects. One is the improvement of the material components of the concrete itself. By using different proportions of components and different additives, the performance of the concrete itself is improved to ensure this type of large volume. The performance of the concrete structure; on the other hand, it is to improve the curing process after the pouring is com...

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Application Information

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IPC IPC(8): E02D27/14E02D15/02
CPCE02D15/02E02D27/14E02D2250/0023
Inventor 李莘哲黄绍结蒋玮陈林黄业圣李雪芬吕中玉黄江莫桥清
Owner 广西长兴工程建设有限公司
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