Cast-in-situ bored pile hole-forming quality detection device and method

A technology of bored piles and detection devices, which is applied in the directions of measurement, earthwork drilling, wellbore/well components, etc. It can solve the problems of not being able to meet the conditions of hole formation, increase the flexibility of use, simplify wiring, and ensure accuracy Effect

Pending Publication Date: 2021-06-22
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology

[0003] However, the current construction technology cannot satisfy the direct detection of the hole formation. Only by lowering the steel cage and observing the amount of tumbled concrete when pouring concrete can one indirectly and roughly know the situation in the underground hole. There is no mature method. The technology inspects the quality of bored cast-in-situ pile holes after the pile foundation is formed and before pouring

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  • Cast-in-situ bored pile hole-forming quality detection device and method

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Embodiment Construction

[0031] At present, the pile foundation inspection on the construction site is only for the quality inspection of the pile after pouring, and there is no inspection of the hole formation of the pile hole. Because the depth of the pile hole is different, many ultra-deep holes cannot be inspected. It is inherently complicated, coupled with complex and changeable geological landforms, the industry has not yet applied forming technology for pile foundation hole detection, or a separately designed detection device. It can be said that there is a blank in the aspect of pile hole quality inspection. During on-site construction, it is impossible to directly obtain the hole-forming situation under the pile hole, and can only indirectly judge the hole-forming situation of the pile hole through other methods. Correct construction deployment. Based on the above situation, the present invention provides a hole-forming quality detection device and detection method of bored cast-in-place pile...

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Abstract

The invention relates to a cast-in-situ bored pile hole-forming quality detection device and method. The cast-in-situ bored pile hole-forming quality detection device comprises a sonar probe, an integrated operation module and a triangular bracket, wherein the integrated operation module is used for converting information detected by the sonar probe into an image signal and transmitting the image signal to a display, and the integrated operation module is connected with the sonar probe through a cable; and a motor rotating shaft is arranged at the top end of the triangular bracket, the cable is wound on the motor rotating shaft, and the sonar probe is suspended below the motor rotating shaft. By means of the sonar principle, the cast-in-situ bored pile hole-forming quality is detected, accurate information of pile foundation hole forming can be directly and clearly detected, the blank in the professional aspect in the current construction field is filled up, operation is easy, practicability is wide, and generalizability is high.

Description

technical field [0001] The invention relates to the field of building construction, and relates to a device and a method for detecting the quality of holes formed by bored piles. Background technique [0002] Bored piles are widely used in the field of construction engineering. Due to the large pile diameter and deep penetration of bored piles, the hole-forming construction is completed in underground and underwater environments, and the quality control is difficult. Complex geological conditions or wrong construction operations may affect the quality of the pile body, and the pile foundation Excellent hole forming quality is the major premise to ensure the quality and bearing capacity of pile foundation. However, when the pile foundation is formed into holes, it will cause shrinkage or collapse due to loose ground and other reasons before pouring concrete. Therefore, it is of great significance to quickly, efficiently and accurately detect the holes of bored piles. [000...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/00E21B47/002E21B47/12E21B47/017E02D33/00
CPCE21B47/00E21B47/12E02D33/00E02D2600/10
Inventor 岳峰陈新喜李文武李兴鲁陈利伟洪恩钦王碗唐磊邓文超周军红孙晓波蔡睿欣
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD
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