Pile bottom hole clearing system and process of pile bottom hole clearing

A hole cleaning and process technology, applied in sheet pile walls, infrastructure engineering, wellbore/well components, etc., can solve the problem of difficulty in controlling the quality of hole cleaning at the bottom of the pile, and achieve clean and thorough slag cleaning, easy access to materials, and significant economic effect

Active Publication Date: 2012-03-21
CSCEC STRAIT CONSTR & DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this regard, at present, a single positive and reverse circulation hole cleaning process is often used to deal with it. However, under normal circumstances, a single positive and reverse circulation hole cleaning process is used to clean the hole. The cleaning time at the bottom of the pile is generally more than 4 hours, and the pile Difficult to control the quality of bottom cleaning holes

Method used

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  • Pile bottom hole clearing system and process of pile bottom hole clearing
  • Pile bottom hole clearing system and process of pile bottom hole clearing
  • Pile bottom hole clearing system and process of pile bottom hole clearing

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Embodiment Construction

[0023] The content of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0024] as attached figure 1 , 2 As shown, the present invention includes reverse circulation pump 6, mud pump 5, valve switch 14, valve switch 8, valve switch 9, pipeline 4, pipeline 7, pipeline 10, pipeline 13, pipeline 15, mud ditch or pipeline 1, sedimentation tank 2 and conduit 12; the bottom of pile position 11 places reinforcement cage, and the height of reinforcement cage is determined according to pile length, is generally about 30-50 meters, conduit 12 is put into from the top of pile, puts into the middle of reinforcement cage to the bottom of conduit and distances The bottom of the pile position 11 is 30-50 cm away, and the bottom of the conduit 12 communicates with the pile position 11. Because the pile is filled with mud, the conduit 12 is also filled with mud at this time; the mud ditch or pipeline 1 is connected...

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Abstract

The invention relates to a pile-bottom borehole-cleaning system and a pile-bottom borehole-cleaning technique, adopting a direct-reverse circulation-combined borehole cleaning technique for carrying out pile-bottom borehole cleaning. The pile-bottom borehole cleaning system comprises a reverse circulation pump, a mud pump, a valve switch, a pipeline, a mud ditch or a mud pipeline, a sedimentationbasin and a conduit; the conduit is communicated with a pipeline at the right side and connected with the reverse circulation pump, the mud pump and a three-way valve switch; the interconversion of the direct-reverse circulation borehole cleaning is realized by controlling the valve switch. Compared with the prior art, the pile-bottom borehole cleaning system and technique can carry out fast slagremoval cleanly and thoroughly, thereby increasing the slag removal efficiency by 3 to 5 times, and ensuring the quality of the pile basement; the used borehole cleaning device has simple and functional installment and operation, easily accessible materials, low price and convenient process.

Description

technical field [0001] The invention relates to a system and a hole cleaning process for removing sediment at the bottom of a punching (drilling) hole pouring pile. Background technique [0002] Punching (drilling) hole grouting piles have the advantages of reliable pile quality, strong earthquake resistance, pile ends can pass through various complex strata and form a large single pile bearing capacity, adapt to various geological conditions and buildings of different scales, etc. It has been widely used in medium and high-rise buildings and super high-rise buildings under foundation conditions, and has become an important pile type. But after this kind of pile is holed, all have very thick sediment and silt at the bottom of its pile. In this regard, at present, a single positive and reverse circulation hole cleaning process is often used to deal with it. However, under normal circumstances, a single positive and reverse circulation hole cleaning process is used to clean t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B21/00E02D5/34
Inventor 赵红岗
Owner CSCEC STRAIT CONSTR & DEV
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