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SRP working method

A construction method, the technology of S03, applied in the field of SRP construction method, can solve the problems that affect the normal construction of pile foundations, and the holes are prone to blockage or collapse, so as to ensure the quality of pile formation, eliminate collapsed holes, and ensure construction safety.

Inactive Publication Date: 2019-02-22
河北庄重工程机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In actual operation, in some geology, the soil is often relatively soft. In this way, when the drill pipe is pulled out after the drilling rig is completed, the hole is often prone to blockage or collapse, which greatly affects the normal construction of the pile foundation in the later stage.

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them.

[0022] Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the scope of protection of this application.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "above", "below", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simpl...

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Abstract

The invention discloses an SRP working method. The SRP working method comprises the following steps that S01, a drilling machine is in place, and construction parameters of the drill way are set; S02,a sleeve with specified size is screwed by the drilling machine into the foundation to form a protective wall; S03, a drill rod is drilled into the inner cavity of the sleeve by the drilling machineto take soil until the drill way reaches a specified depth; S04, the drill rod recedes, and the drill way of the inner cavity of the sleeve is cleaned; S05, a steel bar cage is arranged in the drill way; S06, concrete is poured in the drill way; and S07, the drilling machine is pulled out of the sleeve. According to the SRP working method provided by the invention, through the whole-process sleeveprotecting wall, the hole collapse, hole shrinkage, pile breaking and other potential safety hazards in the construction process can be effectively eliminated, and the pile forming quality and construction safety can be effectively ensured.

Description

technical field [0001] The invention relates to the field of construction machinery, and more specifically, relates to an SRP construction method. Background technique [0002] In building construction, the foundation composed of piles set in the rock and soil and the cap connected to the top of the pile or the single pile foundation directly connected by columns and piles is generally called pile foundation, and the construction process of organizing and implementing this pile foundation is called pile foundation. Foundation engineering, and drilling rig is a construction tool commonly used in pile foundation engineering. The drilling rig is a kind of construction machinery that can drill holes in sandy soil, cohesive soil, silty soil and other soil layers. At the same time, the maximum hole diameter of the drilling rig can reach 1.5-4m, and the maximum hole depth is 60-90m, which can meet Therefore, drilling rigs are widely used in municipal construction, highway bridges,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/38E21B33/138
CPCE02D5/38E21B33/138
Inventor 王小豪白范雄史久洲李国太李岩
Owner 河北庄重工程机械有限公司