超长细桩成孔垂直度施工控制

Construction Control on Excavation Verticality for Super-long Thin Pile

摘要:

通过天津高银商务区117主塔楼基础桩施工实践，就超长细桩成孔垂直度控制问题进行试验、研究，提出一些具体的控制措施，总结了施工经验和体会。

关键词:桩基;超长细桩;成孔;垂直度;控制措施

Abstract:

By the construction practice of a tower foundation pile in Tianjin, the verticality control for super-long thin pile was tested and studied, some measures were put forward and construction experience was summed up.

Key words:pile foundation; super-long thin pile; borehole forming; verticality; control measure