Construction method for quick hole forming and concrete pouring of anti-slide pile auger drill

A construction method and a technology of rotary drilling, which are applied to drilling equipment and methods, buildings, drilling equipment, etc., can solve the problems of non-recyclability, poor environmental protection benefits, and high construction costs of concrete lock ring beams, and reduce operational safety. hidden dangers, improve work efficiency, and reduce construction costs

Pending Publication Date: 2018-04-13
中铁隧道集团一处有限公司
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Problems solved by technology

The construction cost of the concrete locking ring beam is high, it

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  • Construction method for quick hole forming and concrete pouring of anti-slide pile auger drill
  • Construction method for quick hole forming and concrete pouring of anti-slide pile auger drill

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Embodiment Construction

[0023] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:

[0024] A construction method for rapid hole formation and concrete pouring of anti-sliding pile rotary drilling drills, which is carried out according to the following construction steps:

[0025] The first step is to measure and set out to determine the position and elevation of the pile hole.

[0026] The second step is to level and compact the site at the orifice.

[0027] In the third step, the orifice steel casing is installed and fixed. The cross-section of the steel casing is rectangular (periphery is slightly larger than the size of the pile body by 2-3cm), and the pile top (body) is 100-130cm in the range of 100-130cm according to the stakeout position and size of the pile hole (the excavation depth is the length of the steel casing). About 3 / 5) of the soil body will be manually excavated, and the steel casing will be hoisted into the excavatio...

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Abstract

The invention relates to a construction method for rapid hole formation and concrete pouring by rotary drilling of anti-slide piles, which comprises the following steps: measuring and setting out, site leveling and compaction treatment at the hole position, installation of the steel casing at the hole, and surrounding the small drill bit Soil removal by cutting, soil removal from the middle of a large drill bit, edge trimming with a rectangular edge trimmer, edge soil removal from the bottom of a hole with a large drill bit, installation and fixation of the steel cage by a crane, and concrete pouring by the conduit method. The rapid construction method of anti-sliding pile hole forming by using the rotary drilling drill makes the anti-slide pile hole forming process simple, fast, safe and systematic.

Description

technical field [0001] The invention belongs to the technical field of engineering construction, and in particular relates to a construction method for drilling anti-slide piles by rotary drilling to form holes. This construction method is applicable to all homogeneous soft soil strata such as loess, and can be used in the case of strongly weathered rock masses with surrounding rock and soil strength less than 40MPa within the construction range of anti-slide piles, but it is relatively difficult for anti-slide piles to pass through groundwater. Sections with more or more quicksand and gravel layers should not be used to avoid large collapsed holes or excessive over-excavation waste of concrete. Background technique [0002] With the continuous progress of society and the continuous development of science and technology, and the increasing requirements of human beings on the working environment and safety standards, the development process of mechanization in the field of en...

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Application Information

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IPC IPC(8): E02D15/04E21B7/20
CPCE21B7/20E02D15/04
Inventor 秦亮赵立新刘龙卫杨涛尚联强霍铭
Owner 中铁隧道集团一处有限公司
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