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In-situ strength estimation of polypropylene fibre reinforced recycled aggregate concrete using Schmidt rebound hammer and point load test [PDF]
Journal of Sustainable Cement-Based Materials, 2020 peer reviewedAn appropriate amount of polypropylene fibre (PF) content is generally able to compensate for the low compressive strength of the recycled aggregate concrete.
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Study on the Relation between Uniaxial Compressive Strength and Point Load Strength
Applied Mechanics and Materials, 2014In order to investigate the relation between uniaxial compressive strength and point load strength, several homogeneous rock specimens were tested, and the influence of the different rock type was investigated using regression analysis and the derived equations were statistically tested.
Rui Hong Wang +3 more
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The point-load strength test for concrete cores
Magazine of Concrete Research, 1980Synopsis The point-load test, commonly used in geotechnical practice, is evaluated for application in concrete testing. The method uses portable equipment to test concrete cores which require no further preparation after removal from the structure.
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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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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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