Soft foundation treatment method: Fid-Bau Portal

Soft foundation treatment method

YE HUIPING / CHEN XIHAO / WANG XIAOLI / KE YUDONG / RAN HONGYOU

The invention relates to the technical field of foundation treatment, and particularly discloses a soft foundation treatment method. An isosceles trapezoid groove is excavated in a landscape foundation, and the landscape foundation is arranged in the center of the isosceles trapezoid groove; the two sides of the landscape foundation are backfilled in a layered mode, a mechanical ramming machine is used for ramming, when the ramming machine moves, ramming is conducted, half ramming is conducted, ramming is conducted back and forth for 5-6 times, and when the indentation of the previous time and the indentation of the next time are observed to be within 1mm through eyes, backfilling can be conducted; the next layer is repeated in the abovementioned way till the designed elevation is changed and filled; and when the landscape foundation is located in a water accumulation area, a soft plastic soil layer is shallow, soft plastic layer soil can be shoveled away, a lower-layer unmixed hard soil layer is exposed, and treatment is conducted in a cushion layer thickening mode. According to the soft foundation treatment method, the problems that when the foundation of a landscape structure is placed in a deep-backfilling area of early-stage engineering activities, the ramming construction period of the deep-backfilling area is long, and the project cost is high are solved, and the problem that the landscape foundation is difficult to construct in the water accumulation area is solved.

本发明涉及地基处理技术领域，具体公开了一种软弱地基处理方法；景观地基上开挖有等腰梯形凹槽，景观基础设置在等腰梯形凹槽中央；景观基础两侧分层回填，用机械打夯机夯实，打夯机移动时，夯压，半夯，来回夯打5‑6遍，并用眼观察前一遍和后一遍的压痕在1mm以内时，即可回填；下一层如此反复，直至换填设计标高；景观基础位于积水区域时，软塑状泥土层浅可铲除软塑层泥土，露出下层未搅动的硬土层，加厚垫层方式处理；本发明解决了景观结构的基础置于前期工程活动的深回回填区域时，深回回填区域夯实工期长，项目费用较高的问题以及景观基础在积水区域建造比较困难的问题。

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