Development and application of static load test equipment for prefabricated intelligent leveling anchor pile
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(1.Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China;2.College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China )

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TU473.1

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    Abstract:

    In view of the limitations in detecting the bearing capacity of gravel piles using the stacking method, a prefabricated intelligent leveling anchor pile static load test equipment suitable for detecting the bearing capacity of gravel piles has been developed by integrating an intelligent leveling system. The equipment capable of burying the anchor cable in the anchor pile around the test pile can provide pull-out force during the static load testing process. The intelligent leveling system is capable of automatically adjusting the angle of the reaction beam, effectively preventing it from tilting. The results of the field test demonstrate that the static load testing performed by the equipment for the anchor pile method aligns with the settlement change law determined from the static load test using the traditional stacking method. The error identified is reasonable, and the bearing capacity obtained meets the engineering design requirements. The compactness of the anchor pile after the anchor cable is pulled out does not significantly decrease, and its bearing capacity still meets the engineering design requirements. The use of this equipment for static load testing can effectively shorten the time required for equipment erection, reduce the site area needed for testing, and improve both the safety and stability of the test.

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吴跃东,毛伟,刘坚,等.装配式智能调平锚桩静载试验设备研发与应用[J].河海大学学报(自然科学版),2025,53(2):71-77.(WU Yuedong, MAO Wei, LIU Jian, et al. Development and application of static load test equipment for prefabricated intelligent leveling anchor pile[J]. Journal of Hohai University (Natural Sciences),2025,53(2):71-77.(in Chinese))

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History
  • Received:October 21,2024
  • Revised:
  • Adopted:
  • Online: March 26,2025
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