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法门寺合十舍利塔位于陕西省宝鸡市扶风县,属复杂混合结构的超限高层,其主体塔基底下为无湿陷性土层,裙楼地基属Ⅲ级湿陷性黄土。主塔采用大直径钻孔灌注桩,桩端及桩侧后注浆,并先期对试桩采用自平衡检测技术。根据专家提议进行优化,考虑桩承载力效率及变刚度调平思想,选用略高于规范限值的桩身强度并取得了良好的效果。底板设计主要遵循了“地尽其力,就近分配”的原则。
Located at Fufeng County, Baoji City, Shaanxi Province, Famen Temple co-stupa is a super-high-rise complex with complex mixed structures. The main tower under the foundation is non-collapsible soil. The podium foundation is grade III collapsible loess. The main tower with large diameter bored piles, pile ends and post-grouting, and pre-test pile using self-balancing detection technology. According to the expert’s suggestion, the strength of the pile bearing capacity is taken into account, considering the bearing capacity of the pile and the variable stiffness leveling idea. The strength of the pile is chosen to be slightly higher than the standard limit and good results are obtained. Backplane design mainly follow the “to do its best, the nearest distribution ” principle.