Method for detecting static load force of self-balancing pile foundation

By designing a simple load box and reference beam, and using the self-balancing detection method of high-pressure oil pump and data collector, the problems of large site occupation and tight construction period of traditional detection methods are solved, achieving efficient, safe and pollution-free static load capacity detection of pile foundations.

CN119686385APending Publication Date: 2025-03-25CHINA RAILWAY NO 9 BUREAU GRP NO 1 CONSTR CO LTD
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Patent Information

Application Number
CN202411780081.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The traditional pile foundation static load capacity detection methods have problems such as large material occupation, serious site occupation, and may affect surrounding buildings and traffic. The construction period requirements are tight, making it difficult to meet the needs of efficient inspection.

Method used

A self-balancing pile foundation static load force detection method is proposed. By designing a simple load box and reference beam, using a high-pressure oil pump and data acquisition instrument for detection, it can be tested at any site, saving detection time, and the device is small and heavy, and easy to disassemble and transport.

Benefits of technology

It realizes static load capacity detection of pile foundation without occupying a large amount of site, saving detection time and material, and the detection process is simple, safe and pollution-free, and is suitable for multiple piles to be tested simultaneously.

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Abstract

The invention discloses a self-balancing pile foundation static load force detection method, which comprises the following steps: step 1, preliminarily designing a detection scheme, manufacturing a load box and a protection structure according to detection requirements, and inspecting and calibrating a test instrument, step 2, performing first-stage construction on site, installing the load box, welding a steel cage outside the load box to protect the load box, and step 3, performing second-stage construction on site, (3) carrying out on-site second-stage construction, downwards inserting a discharging pipe of concrete, and filling the concrete through a filling device to form a pile body; and (4) mounting a datum line beam and a displacement sensor, integrating and analyzing data measured by each test unit through a data analysis device, and solving the ultimate bearing capacity of the pile foundation. And the used device is simple and does not occupy the space. The detection equipment is small in size and light in weight, and can be used for testing in any place. And meanwhile, as the loaded related structure is simple, a plurality of piles can be tested at the same time, and remarkable superiority is achieved.
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