Results 281 to 290 of about 1,619,244 (321)
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The Point Load Test for the Tensile Strength of Rock
Geotechnical Testing Journal, 1980Abstract The theoretical background is presented for the point load test for determining the tensile strength of rock materials. Theoretical predictions of the dependence of fracture force on sample shape (in this case, spheres and cylinders) are shown to agree quite well with experimental data for Plexiglas® and rock materials.
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Study on Rock Strength Characteristic by Point Load Test
Applied Mechanics and Materials, 2014Test point load test requires relatively small load, its instrument is portable, it can be easily applied to on-site testing,which may pave the way for the development of the fieldstrength of rock mechanics test, widely promoted in engineering construction, has a large space for development.
Rui Hong Wang +3 more
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Uniaxial compressive strength and point load index of volcanic irregular lumps
International Journal of Rock Mechanics and Minings Sciences, 2017K T Chau, Jian-Hua Yin
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Estimation of strength anisotropy using the point-load test
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1983Abstract As most rocks are of an anisotropic nature, the measurement of the ratio between the maximum and minimum strength, i.e. the strength anisotropy, is of general interest. To measure the strength anisotropy by the uniaxial compression test, core specimens drilled in different directions are needed.
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New correlations between uniaxial compressive strength and point load strength of basalt
International Journal of Geotechnical Engineering, 2014AbstractAlthough the mechanical and physical properties of many rocks have extensively been studied, little work is reported on basalt rock. This paper discusses the interrelationships between the mechanical and the physical properties of the basalt rock.
M. Endait, A. Juneja
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A dynamic point-load test for quantifying rock dynamic strength parameters
Review of Scientific Instruments, 2017The point-load test (PLT) has been widely used in the field and in the laboratory to estimate the strength of rock materials. The PLT is easy and quick to perform and it is suitable for samples with irregular shapes and therefore has found wide applications.
Changyi, Yu +3 more
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Strength determination of high-power LED die using point-load and line-load tests
Microelectronics Reliability, 2012Abstract The strength of high-power light emitting diode (LED) dies, cut from wafers with a laser, has to be determined for the need of design and quality control in order to assure the good reliability of packages in manufacturing and service. The objective of this study is to determine the strength of high-power LED die with a size of 1 × 1 × 0.1 ...
C. H. Chen, Ming-Yi Tsai
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Point load testing to more effectively measure bedrock strength
Nature Reviews Earth & Environment, 2021Kristin Chilton describes the use of point load testing in measuring bedrock strength and its application to geomorphology.
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Analytic Solutions for Diametral Point Load Strength Tests
Journal of Engineering Mechanics, 1998This paper investigates the tensile stress distribution within a solid circular cylinder of diameter \iD and length 2\iL subjected to double diametral indentors or diametral point load strength test (PLST). The contact problem between the indentors and the cylinder is solved analytically, and exact solution for stress distribution is obtained through ...
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Uniaxial compressive strength and point load strength of rocks
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1996K.T. Chau, R.H.C. Wong
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