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High-pressure rotating spraying pile construction method applied to green engineering foundation reinforcement

A technology for high-pressure rotary jetting piles and foundation reinforcement, which is applied in infrastructure engineering, sheet pile walls, buildings, etc., can solve the problems of incomplete green construction, insufficient standard construction methods of high-pressure rotary jetting piles, etc., and it is not easy to achieve safe construction. Hidden danger, significant reinforcement effect, good environmental benefits

Inactive Publication Date: 2019-10-01
广东鑫基建设集团有限公司
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AI Technical Summary

Problems solved by technology

[0005] However, the current construction method of high-pressure jet grouting piles is not standardized enough, and has not fully met the requirements of green construction, and still needs to be improved

Method used

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Examples

Experimental program
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Embodiment 1

[0061] A construction method for high-pressure jet grouting piles applied to foundation reinforcement of green engineering, characterized in that it comprises the following steps:

[0062] A. Construction preparation;

[0063] B. Construction survey and release;

[0064] C. Grouting process;

[0065] The grouting process includes: rotary spraying, re-spraying, controlling the amount of cement, grouting treatment, shape control of the consolidated body, ensuring the strength of the pile top, preventing string holes, and pile quality inspection;

[0066] D. Quality control.

[0067] Further, the method for construction preparation includes the following aspects:

[0068] A1. Do a good job of site cleaning and leveling based on the actual situation of the site;

[0069] A2. Combining design requirements and relevant technical regulations, do a good job in technical and safety disclosure and safety and civilization education;

[0070] A3. According to the requirements put for...

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Abstract

The invention provides a high-pressure rotating spraying pile construction method applied to green engineering foundation reinforcement. The high-pressure rotating spraying pile construction method applied to the green engineering foundation reinforcement is characterized by including the following steps: A, construction preparation; B construction measuring and lofting; C, a grouting process, wherein the grouting process comprises rotating spraying, repeated spraying, cement using quantity control, mud spillover treatment, shape control of a consolidated body, pile top strength guaranteeing,hole clustering preventing and pile forming quality inspection; and D quality control. In actual applying of the method, no influences are caused on a surrounding building structure. Vibration and noise of construction are small, and no disturbing is caused on surrounding residents; and besides, in the construction process, no lots of pollutants are generated, the environmental benefits are good,and the method is a green construction technology.

Description

technical field [0001] The invention belongs to the technical scope of green construction, and in particular relates to a construction method of high-pressure rotary grouting piles applied to the foundation reinforcement of green engineering. Background technique [0002] Due to its economical and practical performance, simple and flexible design method, and almost no environmental pollution during construction, the high-pressure rotary grouting pile has been more and more widely used in engineering. [0003] The high-pressure rotary grouting pile composite foundation is a kind of pile-soil composite material formed by mixing and consolidating high-pressure cement slurry and foundation soil. It is suitable for treating silt, silty soil, cohesive soil, silt, loess, sandy soil, artificial fill and gravel soil. It has simple construction technology, short construction period, low investment, Strong applicability and other advantages. [0004] After the grouting pipe with a sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/36E02D5/46E02D15/04
CPCE02D5/36E02D5/46E02D15/04E02D2250/0023
Inventor 吴炳锋
Owner 广东鑫基建设集团有限公司
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