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Use of the point load index in estimation of the strength rating for the RMR system
(Pergamon-Elsevier Science Ltd, 2015)
The Rock Mass Rating (RMR) system is a worldwide reference for design applications involving estimation of rock mass properties and tunnel support. in the RMR system, Uniaxial Compressive Strength (UCS) is an important ...
Utilizing the strength conversion factor in the estimation of uniaxial compressive strength from the point load index
(Springer Heidelberg, 2016)
The strength conversion factor (k) is the ratio between the uniaxial compressive strength (UCS) and the point load index (PLI). It has been used to estimate the UCS from the PLI since the 1960s. Many researchers have ...
Compressive fatigue behavior and failure evolution of additive fiber-reinforced cemented tailings composites
(Springer, 2022)
The ordinary cemented tailings backfill (CTB) is a cement-based composite prepared from tailings, cementitious materials, and water. In this study, a series of laboratory tests, including uniaxial compression, digital image ...