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Construction method for fabricating composite waterproof curtain by embedding rigid piles into low-strength concrete piles

A technology of concrete piles and water-stop curtains, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as high construction costs, waste of resources, and environmental pollution, and achieve material cost reduction, resource conservation, and natural resource conservation Effect

Active Publication Date: 2013-09-18
北京市机械施工集团有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used to solve the problems of high construction cost, low efficiency, waste of resources, and environmental pollution of existing concrete formwork water-stop occlusal piles; this construction method is a safe, reliable, economical and reasonable, widely applicable, and pollution-reducing underground structure water-stop construction method

Method used

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  • Construction method for fabricating composite waterproof curtain by embedding rigid piles into low-strength concrete piles
  • Construction method for fabricating composite waterproof curtain by embedding rigid piles into low-strength concrete piles
  • Construction method for fabricating composite waterproof curtain by embedding rigid piles into low-strength concrete piles

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Embodiment Construction

[0060] refer to Figure 1 to Figure 12 , the overall implementation method of the present invention is:

[0061] Measurement and setting out --- use long screw pile machine to drill low-strength concrete pile holes --- long screw pile machine pumps low-strength concrete while lifting the auger drill until the design pile bottom elevation is reached --- in low-strength concrete piles Implant the reserved groove forming rod in the middle---low-strength concrete pile into pile---pull out the reserved groove forming rod to form the reserved groove---drill the rigid pile hole---clean the reserved groove--- Hanging the reinforcement cage---injecting the rigid pile---maintenance.

[0062] The construction process of the present invention is specifically described below in conjunction with the accompanying drawings:

[0063] refer to figure 1 , mark the low-strength concrete pile 1 and the rigid pile 2 on the ground 3 in turn according to the design position at the site design posi...

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Abstract

The invention discloses a construction method for fabricating a composite waterproof curtain by embedding rigid piles into low-strength concrete piles. The construction method comprises the following steps of 1) surveying and paying off, 2) drilling low-strength concrete pile holes, and pouring the low-strength concrete piles, 3) embedding preformed groove forming rods into the low-strength concrete piles, 4) extracting the preformed groove forming rods, and forming the low-strength concrete piles, 5) drilling rigid pile holes, and placing a reinforcing cage in a hanging manner, and 6) pouring the rigid piles, and curing the rigid piles. The construction method solves the problems that the available concrete template waterproof occlusion piles are relatively high in construction cost and low in efficiency, resources are wasted and an environment is polluted, and the underground structure waterproof construction method is safe, reliable, economical, reasonable and wide in application, and reduces pollution.

Description

technical field [0001] The invention relates to the construction field of building geotechnical engineering, in particular to a construction method for making a composite water-stop curtain by using rigid piles embedded in low-strength concrete piles. Background technique [0002] Due to the limitation of stratum conditions or for the purpose of protecting groundwater resources, some foundation pit projects need to use water-stop curtains instead of precipitation. At present, the commonly used groundwater sealing methods for building foundation pit slopes include: underground diaphragm wall, inter-pile rotary spraying pile, inter-pile stirring and spraying pile, concrete occlusal pile, concrete formwork water-stop occlusal pile and other construction methods. [0003] The underground diaphragm wall is a relatively advanced and mature underground engineering structure form and construction technology. The underground diaphragm wall has the characteristics of high structural ...

Claims

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Application Information

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IPC IPC(8): E02D5/38E02D11/00E02D19/18
Inventor 刘海龙何小飞李檀张治华常乃麟于伟韩宁为邵九婷
Owner 北京市机械施工集团有限公司
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