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强夯-塑料板排水法在粉土和粉质粘土地基加固中的试验研究
Test on Drainage Consolidation in the Foundation Treatment of Saturated Silty Soil and Silty Clay
【摘要】 针对黄河中下游粉土、粉质粘土成层地基,通过插设塑料排水板和不插排水板条件下强夯对比试验研究,证实了插设塑料排水板可以有效的降低强夯时超静孔隙水压力峰值,加快其消散,缩短强夯施工工期;提高强夯夯沉,减少振动对土体的扰动,缩短触变恢复时间,因而人工塑料排水板在强夯处理此类地基中是十分有效的。
【Abstract】 The test- results ate provided that the dynamic consolidation treats the foundation of saturated silty soil and silty clay with plastic drainage plate and without it. It is proved that the plastic drainage plate is effective on lowering the value of maximum water - pore pressure, accelerating its dissipation, boosting the compaction settlement, reducing the disturbance to soil, and shortening the disturbance resuming time. So the drainage dynamic consolidation is very efficacious to treat the foundation of saturated silty soil and silty clay.
【关键词】 地基加固;
粉土;
粉质粘土;
强夯-塑料板排水法;
静力触探实验;
【Key words】 foundation treatment; silty soil; silty clay; drainage dynamic consolidation; static penetration test;
【Key words】 foundation treatment; silty soil; silty clay; drainage dynamic consolidation; static penetration test;
- 【文献出处】 济南大学学报(自然科学版) ,Journal of Shandong Institute of Building Materials , 编辑部邮箱 ,2003年01期
- 【分类号】TU472
- 【被引频次】1
- 【下载频次】88