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Alternative TitleAn Experimental Study on Variance of Disintegration Characteristics in Purple Mudstone
张丹1,2; 陈安强1,3; 刘刚才1
Corresponding Author刘刚才
Source Publication土壤通报
Other Abstract



It was studied that the disintegration characteristics of purple mudstone from the Matoushan group (K_2m), the Tuodian group (J_3t) and the Lufeng group (J_1l), Yunnan Province of Southern China. The experiment was designed according to the interaction degree between hydrothermal and mudstone. The disintegration differences of 3 mudstones were analyzed in 7 treatments. The results showed that the disintegration rate of J_3t was higher than K_2m and J_1l. The disintegration rate of purple mudstone under different treatments had great difference. The main factors caused the significant difference of 3 groups were that mudstone was soaked and there was a big change of temperature difference after parent rock was soaked. Especially, the existence of frost wedging brought the quick disintegration of mudstones parent rock. It discovered that the water made a more important contribution than temperature in the process of rocks disintegration, and the change of temperature could promote the disintegration. By the clay mineral composition, Saf value (J_1l (2.67) > K_2m (2.50) > J_3t (2.45)), ba value and maturity (J_3t (0.87, 15.42) > K_2m (0.85, 11.46) > J_1l (0.50, 7.03)) analysis of 3 mudstones, these weathering indictors showed that J_3t was most easily disintegration, followed by K_2m and J_1l. Using the cluster analysis, the disintegration rates of 3 mudstones in the 7 treatments were divided into 3 groups. There was significant difference in the disintegration rates of 3 groups.

Keyword紫色泥岩 崩解特性 水热作用 冰劈作用
Subject AreaP618.13
Indexed ByCSCD ; 北大中文核心
Funding Organization国家自然科学基金项目(40971168)
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
张丹,陈安强,刘刚才. 紫色泥岩崩解特性差异的试验研究[J]. 土壤通报,2013,44(22):261-266.
APA 张丹,陈安强,&刘刚才.(2013).紫色泥岩崩解特性差异的试验研究.土壤通报,44(22),261-266.
MLA 张丹,et al."紫色泥岩崩解特性差异的试验研究".土壤通报 44.22(2013):261-266.
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