Study on microscopic characteristics and physical and mechanical parameters of carbonaceous rocks

被引：0
|
作者：
Luo J. [1 ,2 ]
Mi D. [2 ]
Ye Q. [2 ]
Sun G. [3 ]
Chen D. [4 ]
机构：
[1] Guangxi Xinfazhan Communications Group Co., Ltd
[2] Guangxi Communication Design Group Co., LTD, Nanning, 530029, Guangxi
[3] State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, Hubei
[4] College of Civil Engineering and Architecture, Guangxi University, Nanning, 530029, Guangxi
来源：
Materials Science Forum | 2020年 / 980卷
关键词：
Carbonaceous rock; Electron microscopy; Illite; Microscopic composition; Physical and mechanical parameters;
D O I：
10.4028/www.scientific.net/MSF.980.368
中图分类号：
学科分类号：
摘要：
In order to study the distribution of carbonaceous rocks in Guangxi, and reveal the microstructure of carbonaceous rocks, and explore the laws of physical and mechanical properties of carbonaceous rocks, and study the characteristics of carbonaceous rocks, the Regional division of the typical carbonaceous rocks in Guangxi was carried out. Subsequently, an electron microscopy scan test was conducted to analyze the microstructure characteristics of carbonaceous mudstone, shale and limestone. At the same time, the mineral composition of the carbonaceous rock, the chemical composition test was analyzed, and the physical and mechanical parameters test was conducted. Finally, the microscopic classification of carbonaceous rocks was linked to the physical and mechanical parameters. The results show that: (1) Guangxi carbonaceous rocks can be divided into three typical areas: Hechi District, Baise District and Liuzhou District. (2) The microstructure of carbonaceous limestone in Guangxi was mostly scaly, the mineral crystals of carbonaceous mudstone microstructure were mainly petal-like, and the clay minerals of carbonaceous shale microstructure was striped. (3) The microscopic chemical elements of Guangxi carbonaceous rocks were mainly carbon, silicon, and mineral components were mainly illite, and the illite content was linear with density. © 2020 Trans Tech Publications Ltd, Switzerland.
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页码：368 / 376
页数：8
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