摘要
锥形桩外形合理，集摩擦桩和端承桩两者的优点，使单位体积承载力提高０５～２５倍，基础工程造价降低４０％～６０％；锥形桩还减小土体冻胀性和融沉性，有利于基础的抗拔及稳定。其锥角以５°～１５°之间较合理，地基土冻胀性高时采用大锥角桩，冻胀性低时采用小锥角桩。
Short cone pile has a retional shape and the advantage of both the frictional pile and the upright loading pile It can increase the bearing capacity per unit volume by 0 5～2 5 times, and the cost of foundation can be decreased by 40%～60% At the same time, it can reduce frost heaving and thaw settlement of soil, favourable to the stability of foundation The improvement has something to do with the taper of a cone pile The reasonable taper is between 5° and 15° Formula for calculating bearing capacity and its difference with experiment are presented in this paper, together with its management
出处
《冰川冻土》
CSCD
北大核心
1997年第4期354-358,共5页
Journal of Glaciology and Geocryology
关键词
锥形桩
承载力
冻胀性改良
桩基
融沉性
bearing capacity of cone pile, improvement of frost heaving, taper of a cone pile
