沉管灌注桩以其成桩效率高、承载力强、工程成本低、桩长控制灵活等优点而得到广泛地应用。
Driven cast-in-place pile is widely used because it has many advantages such as high efficiency of accomplishing pile, high carrying capacity, lower project cost, controlling pile-length agility.
以长桩结构能够承受的最大弯矩和吊点力不为负值作为限制条件，得出安全作业跨距和倾角参数控制曲线。
With the limitations of the maximal bearable bending moment and the positive lifting force, the controlling parameter curves of span and lifting Angle are then acquired to guide the safety operation.
结果表明，长短桩组合桩基础不仅可以大量减少长桩用量，而且可有效地控制基础整体沉降和差异沉降，显示了其良好的应用前景。
The results show that long-short piles foundation demands fewer long piles and can control the average settlement and differential settlement effectively.
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