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Engineering Practice of Forced Tamping Replacement on the Roadbed Construction on Very Salty Land of Plateaus
Author(s): XUE Wanpin
Pages: 108-
110,114
Year: 2011
Issue:
5
Journal: Central South Highway Engineering
Keyword: 重盐渍土; 特性及影响; 强夯置换法; 工程实践; 施工工艺; 路基施工; 载荷试验;
Abstract: 在青海格尔木盐湖地区察格(察尔汗至格尔木)高速公路施工中,由于地质条件复杂,施工难度大,但通过科研、设计、试验、施工、检测等人员的不懈努力,终于取得成果。主要通过阐述该地区盐渍土特性和成因,分析其可能造成的危害,简单介绍了盐渍土的防治方法和强夯置换法施工原理,介绍了该路段路基施工中所采用的强夯置换法施工工艺、参数及需要注意的事项。通过重型圆锥动力触探及载荷试验检测证明:所采用的强夯置换法施工工艺处理高原重盐渍土地基效果显著。
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