E3S Web Conf.
Volume 136, 20192019 International Conference on Building Energy Conservation, Thermal Safety and Environmental Pollution Control (ICBTE 2019)
|Number of page(s)||6|
|Section||Urban Public Safety|
|Published online||10 December 2019|
Mechanical Properties and Failure Mechanism of Sandstone with Mudstone Interlayer
1 School of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao, Shandong, 266590, China
2 Graduate School of Engineering, Nagasaki University, Nagasaki 852-8521, Japan.
* Corresponding author’s e-mail: firstname.lastname@example.org
In order to study the strength and failure characteristics of sandstone with mudstone interlayer. According to mudstone interlayer dip and distribution form, it can be divided into three kinds of sandstone: sandstone with horizontal mudstone interlayer is Class I; sandstone with inclined mudstone interlayer is Class II; sandstone with irregular distribution mudstone is Class III. The three kinds of sandstone uniaxial test were carried out and combined with the theory of layered rock mass failure, it revealed mechanical properties and failure mechanism of sandstone with mudstone interlayer. The results show that: crack generated from interface in Class I and II and crack generated from irregular distribution mudstone interlayer in Class III; The sandstone with higher strength is destroyed before the mudstone interlayer; sandstone at unbonded interface is failure before sandstone at bonded interface; Three kinds of sandstone vary in compressive strength, Class II is greater than Class III while Class III is greater than Class I.
© The Authors, published by EDP Sciences, 2019
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