Results 191 to 200 of about 50,017 (258)

Study on Damage and Tensile Properties of Thermal-Treated Granite Under Different Thermal Shock Conditions. [PDF]

Materials (Basel)
Li K, Zhao X, Wang H, Li D, Dang D, Xi Y.   +5 more
europepmc   +1 more source

Catalytic Pyrolysis of Waste Polystyrene Over Fe–B Composite Catalyst for Enhanced Liquid Fuel Production

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Healthcare derived polystyrene waste represents a growing and under addressed fraction of plastic waste streams due to contamination risks and limited recyclability. This study aims to investigate the valorization of waste polystyrene foam through catalytic and noncatalytic pyrolysis pathways to evaluate product yield distribution and identify
Salman Khan, Zahid Hussain, Bilal Ahmad, Naveed Ahmad, Shohreh Azizi   +4 more
wiley   +1 more source

Design and application study of the key technical parameters of dense drilling for pressure relief in coal mine roofs: a case study. [PDF]

Sci Rep
Ma J, Wang H, Li X, Dong G, Yuan Y.
europepmc   +1 more source

Study on the hydraulic action mechanism and support measures of weakly cemented muddy surrounding rock. [PDF]

Sci Rep
Zaijiang Y, Weiguang Z, Zhijiang L, Shuaigang L, Rui W, Shuai W, Leilei Z.   +6 more
europepmc   +1 more source

Study on the design of section coal pillars and support technology for roadways along gob in inclined thick coal seams. [PDF]

Sci Rep
Jiang B, Ren X, Li W, Gu S, Guo Z, Zhang H.   +5 more
europepmc   +1 more source

Mechanical Response and Failure Characteristics of Granite Under In Situ High-Temperature and High-Pressure True Triaxial Conditions. [PDF]

Materials (Basel)
Ma Y, Fu X, Wu Y, Zhou C, Xue J, Zhang X, Yang J, Li S, Li X, Mao T, Hu Y, Diao Y, Sun X.   +12 more
europepmc   +1 more source

Numerical analysis and engineering application of bolt support technology for controlling coal body sliding. [PDF]

Sci Rep
Wang C, Ma S.
europepmc   +1 more source

Experimental study on the damage and failure mechanism of freeze-thaw filled fractured sandstone under uniaxial compression. [PDF]

Sci Rep
Ren J, Shen Y, Yun M, Wang R, Qin F, Huo X, Feng J.   +6 more
europepmc   +1 more source

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Aspects of rock strength

Bulletin of Engineering Geology and the Environment, 1998
This paper discusses some important factors to be considered when undertaking rock strength tests and describing the strength of a rock as assessed during field investigations. It highlights the lack of consistency in the commonly used descriptive categories and draws attention to the disparencies which can arise when rocks are tested under different ...
A B Hawkins
exaly   +2 more sources