【摘要】 湿陷性黄土对工程建设有很大危害;对黄土的湿陷性评价是《湿陷性黄土地区建筑规范》的核心内容之一,研究该类土体在某区域内的分布和特征有着重要的社会经济意义。文章依据野外调查和勘探、室内试验和分析计算成果,阐明了在陇南地区存在着湿陷性黄土;对其分布状况和特征及其形成机理进行了探析,针对该类场地在工程建设中应注意的勘察问题进行了论述;建议将陇南地区黄土归入《湿陷性黄土地区建筑规范》附录A的"陇西地区"范围。更多还原

【Abstract】 Collapsible loess is more harmful to engineering construction.Appraising of loess collapsible is one of the key contents of "Code for building construction in collapsible loess regions".Studying the type of soil distribution and characteristics in some region has important social and economic meaning.The paper clarifies that collapsible loess exists in Longnan region according to field investigation and exploration,indoor experiment and analytical calculation.The distribution,characteristics and formation mechanism of collapsible loess are analyzed and some problems of this type of site in engineering construction are discoursed.It is suggested that loess of Longnan should be taken in "Code for building construction in collapsible loess regions"appendix A "Longxi region".更多还原