Large-diameter tubular pile foundation with interaction force-dependent sinkage
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摘要: 自平衡下沉大直径管桩是我们独立研发的新型桩基础。该桩运用全新的成桩理念,在成桩过程中“先分后连,交替下沉”,打破了在成桩过程中需要克服的对象自始至终是“桩的整体”这一传统成桩模式,解决了混凝土大直径、薄壁、空心桩的成桩难题。该桩适宜桩径Φ3～15 m,桩长可大于100 m,壁厚可为1/20桩径,可在无水地层、含水地层和深水条件下成桩,可广泛应用于桥梁工程,在水利、港工、建筑、海洋工程和各种竖井中也有广阔的应用前景。Abstract: The large-diameter tubular pile foundation with interaction force-dependent sinkage is the authors' independent research and development of a new type of pile foundation. The use of the whole new pile method and the pile into a pile process—first decompose and then connect, alternately sink—breaks the traditional pile models, which requires objects to overcome in the process of pile throughout the pile integrity. This solves the problem of making large-diameter concrete, thin-walled, hollow piles. This type of pile is Φ3～15 m in diameter, more than 100 m in length, and the wall thickness is 1/20 of the diameter. The piles can be constructed in anhydrous stratum, aquifer and deep water conditions, and can be widely used in bridge engineering, water conservancy port works, construction, marine engineering and various shafts.
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