摘要
文章以西部某重大工程为例,在详实的调查和试验基础上,研究了冰碛层的水文地质特征及其对工程的影响。研究结果表明:场区冰碛层渗透系数小,透水性微弱,且在垂向上随深度增加,呈逐渐变小趋势;工程条件下,地表水、地下水不会再在场区内冰碛层中形成新的架空块碎石结构,也不会发生渗透破坏,对工程影响微弱。
This paper focuses on engineering records of a project in a mountainous area in southwestern China. Hydrogeological behavior of a glacial till and its influence on engineering were studied based on filed investigation and laboratory-site testing. Research results show that groundwater is not appropriate for water supply during construction and operation phase. Field runoff and underground water worked together in freezing-thawing cycles which produced cavities in granular moraine layers and has reached a phase of balance.
出处
《水文地质工程地质》
CAS
CSCD
北大核心
2006年第5期90-94,共5页
Hydrogeology & Engineering Geology
关键词
冰碛层
水文地质特征
影响分析
glacial till
hydrogeological behavior
influence analysis
