岩土力学2012，Vol.33Issue(5)：1341-1346,6.
紫色泥岩水热条件下崩解过程的分维特性
Disintegration characteristics of purple mudstone based on fractal dimension under hydrothermal condition
摘要
Abstract
This study focuses on the disintegration characteristics of sampled mudstone from the Matoushan group (K2m), the Tuodian group (J3t) and the Lufeng group (J11), Yunnan province of Southern China. These sampled rocks are subjected to the treatments of wetting-drying (WD), wetting-drying + refrigerating-heating (WDRH) and refrigerating-heating (RH) under laboratory condition, respectively. The fractal dimension method is applied to analyze the disintegration characteristics of the sampled mudstone. The results show that the fractal dimension exactly described the disintegration characteristics of purple mudstone. The larger fractal dimension value is, the higher the degree of rock fragmentation is. The rank order of the fractal dimension of the three treatments is WDRH > WD > RH, and is significantly different between the treatments, indicating the effect of hydrothermal on mudstone is greater than the influence of just water or heat. The rank order of the fractal dimension of three purple mudstones is J3t > J11 > K2ms, and significantly different between the J3t, J11 and K2m under WD and WDRH, resulting from physical characteristics, chemical elements composition and weathering maturity.关键词
紫色泥岩/崩解特性/分形维数/水热条件Key words
purple mudstone/ disintegration characteristics/ fractal dimension/ hydrothermal condition分类
天文与地球科学引用本文复制引用
张丹,陈安强,刘刚才..紫色泥岩水热条件下崩解过程的分维特性[J].岩土力学,2012,33(5):1341-1346,6.基金项目
国家自然科学基金项目(No.40971168). （No.40971168）
