Results 151 to 160 of about 66,747 (201)

Evolution mechanism of deformation and failure energy in composite rock mass with structural planes of different inclinations. [PDF]

Sci Rep
Yuan Z, Zhang D, Dong X.
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Experimental investigation of mechanical properties in cryogenically damaged shale. [PDF]

Sci Rep
Zheng X, Zhang G, Wang D, Yang F, Lu M, Song L, Zhou D.   +6 more
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Predicting Uniaxial Compressive Strength From Log Parameters

Proceedings of SPE Annual Technical Conference and Exhibition, 1986
ABSTRACT Models for prediction of in-situ rock behaviour often suffer from lack of relevant input data, especially rock strength data. Rock mechanical testing of cores provides only discrete data points. This paper presents a method which produces a continuous plot of uniaxial compressive strength.
K. Tokle, P. Horsrud, R. K. Bratli
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Artificial intelligence forecasting models of uniaxial compressive strength

Transportation Geotechnics, 2021
Abstract The uniaxial compressive strength (UCS) is a vital rock geomechanical parameter widely used in rock engineering projects such as tunnels, dams, and rock slope stability. Since the acquisition of high-quality core samples is not always possible, researchers often indirectly estimate these parameters. The main objective of the present study is
Arsalan Mahmoodzadeh, Mokhtar Mohammadi, Hawkar Hashim Ibrahim, Sazan Nariman Abdulhamid, Sirwan Ghafoor Salim, Hunar Farid Hama Ali, Mohammed Kamal Majeed   +6 more
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Uniaxial Compressive Strengths of Artificial Freshwater Ice

Advanced Materials Research, 2011
The uniaxial compression test was performed on artificial freshwater ice with a precise control-temperature unit compression tester of ice under -5, -10, -15, -20 and-30°C temperatures and strain rates ranging from 10-8 to 10-2 s-1. The loading direction was parallel to ice surface. The results showed that the compressive strength was very sensitive to
Li Min Zhang, Zhi Jun Li, Qing Jia, Guang Wei Li, Wen Feng Huang   +4 more
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Strength Predictions of Plates in Uniaxial Compression

Journal of the Structural Division, 1972
The prediction of the ultimate load for rectangular plates is obtained from the intersection of an elastic postbuckling loading path and a rigid-plastic unloading path. The former expresses post-buckling stability and uniqueness, affected by membrane forces and imperfections at large transverse displacements; the latter, insensitive to imperfections ...
Robert M. Korol, Archibald N. Sherbourne
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Mechanical strength of polycrystalline ice under uniaxial compression

Cold Regions Science and Technology, 1997
Abstract Mechanical strength of polycrystalline ice Ih was investigated by uniaxial compression tests at wide ranges of temperature, −10 to −173°C, and of strain rate, 4×10−4 to 4×10−6 s−1. A systematic change of the deformation type from brittle fracture to ductile deformation was observed to take place at a critical strain rate and temperature.
Masahiko Arakawa, Norikazu Maeno
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Strength of composite flysch samples under uniaxial compression

Bulletin of Engineering Geology and the Environment, 2017
This paper presents the results of uniaxial compression strength tests performed on samples composed of sandstone and siltstone discs. Samples are loaded until failure, with the aim of determining the dependency between uniaxial compressive strength and the volumetric percentage of siltstone.
Zoran Berisavljević, Dušan Berisavljević, Dragoslav Rakić, Gordana Hadži-Niković, Zoran Radić   +4 more
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Uniaxial compressive and undrained shear strength of soil [PDF]

Proceedings of 10th Symposium on Doctoral Studies in Civil Engineering
Uniaxial compressive strength and undrained shear strength are among the most important soil parameters in geotechnical engineering. The unconsolidated undrained triaxial test and the falling cone test determine them. The uniaxial compressive strength of soil is the maximum compressive stress that the soil can withstand before failure in drained ...
Jurić-Kaćunić, Danijela, Baletić, Doria   +1 more
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Size Effect of Uniaxial Compressive Strength of Limestone

Applied Mechanics and Materials, 2012
Using the MTS testing machine, the uniaxial compressive test of varisized da-qing limestones were undertaken, and the effect of dimensions about compressive strength, peak strain, elastic modulus and destructional forms of rock specimens were studied.
Ze Hui Chen, Chang Wu Liu, Ji Wei Deng
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