摘要
随着我国西部大开发战略的实施,近年来广西红层地区工程建设逐渐增加,本文以红层岩组为基础,对广西地区红层分布进行分析,认为十万大山地区和桂东-桂东南区域分布较为密集。通过物理化学试验及力学试验对红层泥岩进行工程特性统计分析,得出上述区域泥岩膨胀性和崩解性特征,并通过击实特性、CBR承载比、软化系数等指标得知两区域泥岩填料级别主要为C3和C2,从而为相关红层区域工程建设提供一定的理论依据。
With the implementation of the strategy of developing the west of China, the construction in Guangxi red bed area has gradually increased in recent years. The paper holds that red bed is distributing centre in Shiwandashan area and southeast- ern Guangxi based on the analysis of red rock group. Through physical chemistry experiment and mechanical test of mudstone in that region , the expansibility and disintegration was obtained. And the filler grade is mainly C3 and C2, according to the heavy tamping property, CBR bearing ratio and softening coefficient. Then a certain theoretical basis for the engineering con- struction can be provided in relevant regional.
出处
《地质灾害与环境保护》
2017年第2期48-52,共5页
Journal of Geological Hazards and Environment Preservation
关键词
红层泥岩
岩组
分布
工程特性
路用性
red mudstone
petrofabric
distribution
engineering characteristics
build emban kment capability