论文部分内容阅读
一、膨胀土路基特性及改良机理新时期铁路建设中,路基工程作为主要的土工结构物,必须有足够的强度、稳定性和耐久性,能抵抗各种自然因素作用的影响,因此路基施工应根据填料试验了解土石特性,选择填料来源,确定改良措施、施工工艺、压实标准及检测要求。沪汉蓉铁路快速通道襄樊
First, the characteristics of expansive soil subgrade and improve the mechanism In the new era of railway construction, subgrade construction as the main geotechnical structure, must have sufficient strength, stability and durability, can resist the impact of various natural factors, so the subgrade construction should According to the filler test to understand the characteristics of earth and rock, select the source of filler, to determine the improvement measures, construction technology, compaction standards and testing requirements. Shanghai Han Railway Expressway Xiangfan