E3S Web Conf.
Volume 109, 2019International Conference Essays of Mining Science and Practice
|Number of page(s)||7|
|Published online||09 July 2019|
Investigation of the deformation characteristics of water-saturated coal samples with a hole for estimating the discharge of the reservoir during hydrolysis
Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, 49005, Dnipro, Simferopolska Str., 2a, Ukraine
2 State University of Internal Affairs, 49005, Dnipro, Gagarina Ave, 26
* Corresponding author: email@example.com
The deformation characteristics of the uniaxial compression of the same sample with a central hole at different humidity are presented. The sample was saturated with water under pressure through the hole. The deformation curve has the form of a one-term power dependence. Increasing the humidity by 2 % reduces axial stresses by 3.2 times, and the modulus of elasticity - by 2.5 times with the same deformation.
© The Authors, published by EDP Sciences, 2019
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