Results 41 to 50 of about 151,456 (209)
矿业科学学报Tunnel blasting is prone to inducing disasters such as rock collapse, and parameters such as pulse width and amplitude of the blasting stress wave directly affect the degree of tensile damage of the tunnel surrounding rock.
XIE Beijing +5 more
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Detection of climate trends in macroregions of the Ceará State using FUNCEME data
Acta Scientiarum: Technology, 2016 The goal of this study was to apply the Mann-Kendall test to the rainfall data of eight macroregions of the Ceará State aiming to determine climate trends in their time series.
Djane Fonseca da Silva
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Journal of the Mechanical Behavior of Materials, 2023 A number of destructive and non-destructive tests were conducted on rock samples collected from various zones in northern Iraq. So far, for Iraqi rocks, few studies have correlated Schmidt hammer rebound (R) with both unconfined compressive strength (UCS)
Fadhil Amjad Ibrahim +2 more
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Simulation Model for Indirect Tensile Test of Asphalt Mixtures via Discrete Elements
Ingeniería e InvestigaciónThis paper describes the planning, development, programming, and validation of a computational model based on the discrete element method, which was implemented to simulate, considering specific mechanical parameters in two dimensions, the indirect ...
Diego Felipe Guerrero Torres +1 more
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Comparative Study on the Test Method for Tensile Elastic Modulus of Rock Materials
Advances in Civil Engineering, 2019 Rock material has different mechanical behaviors under compressive and tensile loading. Correspondingly, there are two types of elastic modulus: compressive elastic modulus Ec and tensile elastic modulus Et, respectively.
Yan Zhang, Dawei Yu
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Applied Sciences, 2020 The fracture behavior of the disc specimens in the Brazilian test is closely related to the reliability and accuracy of the experimental results. To comprehensively investigate the effect of various loading methods and rock material types on the failure ...
Diyuan Li +3 more
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Examination of mechanical properties of acrilyc composite materials with different AL2O3 reinforcement by brazil test [PDF]
Tehnika, 2019 Composite materials based on UV-curing acrylates and various alumina-based reinforcements represent material that is suitable for the use in dentistry, but also in other areas.
Vuksanović Marija M. +6 more
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Seed viability test of orchids native to the Brazilian Savanna
Pesquisa Agropecuária Tropical, 2021 An essential factor for the formation of a native orchid seed bank is the identification of the viability of stored seeds. This study aimed to determine a methodology for optimizing the tetrazolium test, in the identification of the viability of stored ...
Jackeline Schultz Soares +3 more
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Investigating the effects of loading rate and mixing design on concrete's direct tensile strength using the CTLC test [PDF]
Analytical and Numerical Methods in Mining EngineeringTensile strength of concrete is measured using direct tensile tests on rectangular concrete samples with dimensions: 19 cm in length, 16 cm in width, 6 cm in thickness, and a central hole of 9 cm in diameter.
Manouchehr Sanei +3 more
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Results in EngineeringThe influence of repeated liquid nitrogen (LN2) exposure treatments on the geomechanical integrity of granite samples from Kazakhstan was investigated using measures of fracture toughness and indirect tensile stress (Brazilian tests) with initial ...
Sotirios Nik Longinos +2 more
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