摘要
目前工程中抗滑桩的设计多采用矩形横截面,但往往由于偏于保守设计而造成钢筋和混凝土一定程度的浪费。在工程上常用的矩形横截面抗滑桩基础上,进一步优化设计出了一种T形横截面的抗滑桩,与常规矩形横截面抗滑桩相比,T形横截面抗滑桩具有节省材料、能更合理布置钢筋和增强桩后土拱效应等优点。通过实例对两种横截面抗滑桩的抗弯刚度和内力进行计算与对比分析,结果表明:在同等横截面面积条件下,T形横截面抗滑桩的抗弯刚度会更大;在满足结构强度的情况下,T形横截面抗滑桩所受的内力要小于矩形横截面抗滑桩。
At present, adopting the section shape of rectangular section is the mainstream in the anti-slide piles projects. However,there is always certain waste caused by the eonserveative design scheme. On the basis of the rectangular cross-section anti-slide piles, a new optimized T-shaped cross-section anti-slide pile is proposed. Compared with the conventional rectangular anti-slide pile, the T-shaped cross-section one has the advantages of saving material, arranging steel bar reinforcement and enhancing soil arching effect, etc.. According to the comparative calculation of the T-shaped cross-section anti-slide pile and the rectangular one,under the condition of equal cross section area,the bending stiffness of the later is larger than that of the former one. Furthermore, in the case of conforming with structural strength,internal force of the T- shaped cross-section of the anti slide pile is smaller than that of the rectangular one.
出处
《安全与环境工程》
CAS
2015年第1期33-38,共6页
Safety and Environmental Engineering
基金
国家自然科学基金项目(41202198)
中央高校基本科研业务费专项资金"摇篮计划"项目(CUG130409)
关键词
抗滑桩
T形横截面
矩形横截面
截面优化
抗弯刚度
内力计算
anti-slide pile
T-shaped cross-section
rectangular cross-section
sectional optimization
bending stiffness
calculation of internal force
