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Novel lining device of cast-in-place large-diameter pipe pile and pipe pile construction method

A large-diameter pipe and construction method technology, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of material waste, inability to further save costs, inability to effectively recover non-pipe pile materials, etc., to ensure concrete strength, Achieve the effect of material recovery and reduction of air bubbles

Active Publication Date: 2020-12-18
CHINA RAILWAY TIMES BUILDING DESIGIN INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a new type of lining device for cast-in-situ large-diameter pipe piles and a construction method for pipe piles, so as to solve the problem of inability to effectively recycle construction in the prior art under the premise that steel cages are installed in pipe piles to improve structural strength. The non-pipe pile materials used lead to the waste of some materials and cannot further save the technical problem of cost

Method used

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  • Novel lining device of cast-in-place large-diameter pipe pile and pipe pile construction method
  • Novel lining device of cast-in-place large-diameter pipe pile and pipe pile construction method
  • Novel lining device of cast-in-place large-diameter pipe pile and pipe pile construction method

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Embodiment Construction

[0039] The specific embodiments of the present invention will be further described in detail by describing the embodiments below with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0040] Such as Figure 1-8 As mentioned above, the present invention provides a new type of lining device for cast-in-place large-diameter pipe piles, including a lining pipe 5 spliced ​​by two lining steel molds 51, and the outer wall of the lining pipe 5 slides It is connected with a conduit 6 extending in the same direction. During pouring, the conduit 6 is pulled up with the liquid level of the concrete. The inner liner 5 is provided with a cross brace 81, and the inner steel mold on the two pages passes through the cross brace 81 It is detachably fixedly connected, and the bottom end of the inner liner pipe 5 is fixedly connected...

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Abstract

The invention discloses a novel lining device of a cast-in-place large-diameter pipe pile and a pipe pile construction method. The novel lining device comprises a lining pipe formed by splicing two lining steel molds, a guide pipe extending in the same direction is slidably connected to the outer side wall of the lining pipe, the guide pipe is pulled up along with the liquid level height of concrete in the pouring process, and a cross support is arranged in the lining pipe. The two lining steel molds are detachably and fixedly connected through the cross support, the bottom end of the lining pipe is fixedly connected with a pile bottom sealing formwork, the pile bottom sealing formwork is disconnected with the lining pipe and is taken out when recycled, before pouring, the outer wall of the lining pipe is coated with a release agent and a reinforcement cage sleeves the outer wall of the lining pipe, and the lower end of the guide pipe extends to the bottom end of the lining pipe. The strength of the pipe pile is guaranteed, meanwhile, material recycling is achieved to the maximum extent, and the manufacturing cost is effectively saved.

Description

technical field [0001] The invention relates to a novel lining device for cast-in-situ large-diameter pipe piles and a construction method for the pipe piles. Background technique [0002] The Yangtze River Delta region and the Yangtze River Basin have wide distribution of soft soil, poor geological conditions, distinct seasons, and dense second- and third-tier cities. The characteristics of foundation pits in these areas are: the second-floor basement, soft soil is widely distributed, but the thickness is not too large. How to find a The support form that can not only ensure the safety of the foundation pit but also save the cost is the key problem that the industry needs to solve urgently. At present, the cast-in-place construction of large-diameter foundation pit support pipe piles can not only save the cost, but also ensure a certain strength of the pipe piles. It is also more convenient to implement, and it is a support form close to the requirements. However, it is di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/38E02D5/66
CPCE02D5/38E02D5/385E02D5/665
Inventor 汪磊夏京胡俊
Owner CHINA RAILWAY TIMES BUILDING DESIGIN INST CO LTD
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