One-time pouring moulding method for pipe rack segment

A forming method and corridor segment technology, applied in construction, water conservancy projects, artificial islands, etc., can solve the problems of high overall cost, long construction period, and easy water seepage at construction joints, and achieve low overall cost, short construction period, Increased overall stability effect

Inactive Publication Date: 2019-06-07
中铁四局集团市政工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, the integrated pipe gallery is often arranged in the form of multiple warehouses. The multi-storey integrated pipe gallery is poured in stages, which has the disadvantages of long construction period, easy water seepage at the construction joints, and high overall cost, which urgently needs to be solved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The one-time pouring and forming method of the pipe gallery segment, including (1) positioning and setting out; (2) binding of bottom plate and side wall reinforcement; (3) side wall formwork installation; (4) load-bearing bracket installation; (5) roof formwork installation; (6) The installation of roof reinforcement also includes the following steps:

[0025] (7) Concrete pouring: Concrete is poured in layers. When the first layer of concrete is poured in the pipe gallery, the initial concrete slump is 180mm-200mm. At this time, strengthen the vibration to ensure that the concrete is poured to fill the entire floor, and then the concrete slumps The depth is 17010mm, and it is poured to 20cm above the inner bottom of the pipe gallery, and the upper layer of concrete is poured after waiting for 45 minutes; when the first layer of concrete is poured, it is first poured from the middle partition wall, then the right outer wall, and finally the left outer wall; after that, ...

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PUM

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Abstract

The invention discloses a one-time pouring moulding method for a pipe rack segment. The method comprises the following steps: (1) positioning a pay-off line; (2) binding reinforcing steel bars of a bottom plate and a side wall; (3) installing a template of the side wall; (4) installing a load-bearing bracket; (5) installing the template of a top plate; (6) installing the reinforcing steel bars ofthe top plate, and further comprise the following steps: (7) pouring concrete. Pipe rack concrete adopts one-time integral pouring, a cross section is adopted to symmetrically pour longitudinal stratification to achieve pouring moulding in order, and compared with pouring in stages, the method has the advantages of short construction period, difficult water seepage at construction joints, and lowoverall cost.

Description

technical field [0001] The invention relates to the field of pipe gallery pouring methods, in particular to a one-time pouring forming method for pipe gallery segments. Background technique [0002] The comprehensive pipe gallery is a comprehensive corridor of underground urban pipelines, that is, to build a tunnel space underground in the city, integrating various engineering pipelines such as power, communication, gas, heating, water supply and drainage, etc., with special inspection ports, hoisting ports and The monitoring system, which implements unified planning, unified design, unified construction and management, is an important infrastructure and "lifeline" to ensure the operation of the city. [0003] In the prior art, the integrated pipe gallery is often arranged in the form of multiple warehouses. The multi-storey integrated pipe gallery is poured in stages, which has the disadvantages of long construction period, easy water seepage at the construction joints, and...

Claims

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Application Information

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IPC IPC(8): E02D29/045
Inventor 陈军解帅黄建波查显卫王伟邓梯
Owner 中铁四局集团市政工程有限公司
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