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根据依托堆场工程特点和不良土特征,文章提出强夯加固饱和软土的总体方案。针对场址不同区域的不同工程地质条件和不同设计要求,分别制定了强夯置换、垫层强夯和强夯置换与预制管桩组合的3种具体实施方案。同时,探讨了防止强夯加固饱和软土严重排土的工艺措施,尤其是引入了轻型井点降排水辅助强夯工艺。方案的应用达到了预期效果,有重要的借鉴意义。
According to the reliance on the characteristics of yards and the characteristics of poor soil, the article puts forward the overall plan of dynamic consolidation of saturated soft soil. According to different engineering geological conditions and different design requirements in different areas of the site, three concrete implementation plans of dynamic compaction replacement, dynamic compaction of cushion and dynamic compaction replacement and precast pipe pile are respectively formulated. In the meantime, the technical measures to prevent severe earthwork removal by dynamic compaction are discussed, especially the light well dewatering and auxiliary dynamic compaction technology is introduced. The application of the program has achieved the expected result and has an important reference value.