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One-time pouring large-caliber steel pipe concrete encapsulating method

A steel pipe concrete, large-diameter technology, applied in construction, pipeline laying and maintenance, pipes/pipe joints/fittings, etc., can solve problems such as unguaranteed construction quality, difficulty in completing construction tasks according to schedule, and displacement of steel pipes. It is beneficial to the quality control of concrete, simplifies the construction process, saves the construction period and the cost

Active Publication Date: 2019-05-28
北京通成达水务建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Due to the fact that the pipeline will float up during the construction of the encapsulated concrete, the steel pipe will be displaced, the construction quality cannot be guaranteed, and it is difficult to complete the construction task according to the schedule

Method used

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  • One-time pouring large-caliber steel pipe concrete encapsulating method
  • One-time pouring large-caliber steel pipe concrete encapsulating method
  • One-time pouring large-caliber steel pipe concrete encapsulating method

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0036] like Figure 1-4 As shown, it is a one-time pouring large-diameter steel pipe concrete encapsulation method disclosed by the present invention, comprising steps:

[0037] 1) Pouring of support 2 and installation of support 3: pour multiple reinforced concrete supports 2 along the axial direction of the preset steel pipe 1. Vertical lower transverse ribs 100, a plurality of hollow tubes 21 for piercing the lower longitudinal ribs 101 are embedded in the lower part of the support 2, and the hollow tubes are PVC pipes. After the support 2 is dried and meets the design requirements, the top of the support 2 The arc-shaped support seat 3 is fixedly installed on the surface, and the support seat 3 is provided with a plurality of through holes 31 for piercing the inner longitudinal ribs 401; in this embodiment, the plurality of through holes 31 are equidista...

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Abstract

The invention relates to a one-time pouring large-caliber steel pipe concrete encapsulating method. The method includes support pouring and supporting seat installation, steel pipe lifting, steel barinstallation, side steel die plate installation and strengthening, embedded joint bar and anti-floating bar installation; upper cross bar and upper longitudinal bar installation; steel pipe transverseend cap die plate installation and concrete pouring, wherein concrete pouring is conducted till the design height is reached. By means of the one-time pouring large-caliber steel pipe concrete encapsulating method, displacement generated by floating of a steel pipe in the concrete pouring process can be effectively controlled, the construction quality is ensured, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of engineering construction, in particular to an encapsulation method for one-time pouring of large-diameter steel pipe concrete. Background technique [0002] For super-large projects of long-distance water transfer across river basins, it is necessary to build storage projects along the line. During normal maintenance of the main canal and supporting projects or when emergencies occur, it is necessary to ensure the water supply safety of the water-receiving cities and improve the water-receiving capacity. The water shortage in the region has been effectively alleviated, the ecological landscape effect has been improved, and a good water environment has been provided for citizens' leisure and entertainment. [0003] Stabilizing the supply of water sources will reduce the exploitation of groundwater in the water-receiving area, and play an important role in alleviating the tension of water resources in the r...

Claims

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Application Information

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IPC IPC(8): F16L1/024E02D15/02
Inventor 何琛凌颂益张磊华广胜
Owner 北京通成达水务建设有限公司
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