Construction technology for super-long steel pipe pile penetrating riprap layer
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    Abstract:

    In recent years,super-long and large-diameter steel pipe piles have enjoyed increasingly wide application in port projects.However,the construction of this kind of pile foundations requires a large-scale piling barge and a large water area for construction operations.Drawing on an example of an additional piling project of a wharf,this paper addresses the difficulties involving the narrow space in the rear water area,the penetration of the riprap layer by the cast-in-place pile as needed,and the super-long steel pipe pile.For this purpose,the paper puts forward the methods of impacting a guide hole to penetrate the riprap layer and lifting and driving a steel pipe pile in a piecewise manner and describes the technological process of pile driving construction,the main construction technology,and the construction equipment.Owing to the employment of the proposed methods,the project achieves a satisfactory construction effect and meets the requirements of the design and specifications.

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魏启名.穿透抛石层超长钢管桩施工技术[J].水运工程,2023,(3):183-187

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  • Online: March 14,2023
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