Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Vahab Sarfarazi"'
Autor:
Vahab Sarfarazi, Abdollah Tabaroei, Daniel Dias, Mohammadmahdi Abedi, Amir Hossein Vakili, Yang Zhao
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract The bearing capacity and settlements of surface foundations located on a soil slope are the important issues that have to be considered by geotechnical engineers for the design. The presence of an underground void beneath the footing can aff
Externí odkaz:
https://doaj.org/article/97c960e887a44dcb97421b8c3a9238f7
Influence of pillar wide and room’s height on the acoustic emission phenomena during crack evolution
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract The present study probes the effects of pillar wide and room’s height on the failure mechanism of model using experimental test and numerical simulation. For this purpose, firstly gypsum specimens with dimension of 15*15*5 cm containing tw
Externí odkaz:
https://doaj.org/article/80b422e5051e457ab1c6940c1335e7ff
Autor:
Hadi Haeri, Vahab Sarfarazi, Pouyan Ebneabbasi, M.R.M. Aliha, Gholamreza Saeedi, Hamid Reza Karimi, Arsham Moayedi Far
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4997-5009 (2023)
In the current investigation, the fracture toughness of plexiglass specimens was accurately measured employing Edge Notched Disc (END) type specimens. Besides, the Notched Brazilian Discs (NBD) were used in order to validate the results of the conduc
Externí odkaz:
https://doaj.org/article/b4ca63cfacf64821bb84aaea48bc3e3b
Publikováno v:
Underground Space, Vol 9, Iss , Pp 105-121 (2023)
Experimental and discrete element methods were used to investigate the failure behavior of room and pillar with different configurations under uniaxial loading. Concrete samples with dimension of 15 cm × 15 cm × 5 cm were prepared. Within the speci
Externí odkaz:
https://doaj.org/article/80f497c88db943629cc8ef521ae247ac
Publikováno v:
Analytical and Numerical Methods in Mining Engineering, Vol 12, Iss 33, Pp 17-26 (2022)
Experimental and numerical methods (Particle Flow Code) were used to investigate the effect of echelon notches on the shear behavior of the joint’s bridge area in granite. A punch-through shear test was used to model the granite cracks under shear
Externí odkaz:
https://doaj.org/article/bb0dfccb42f14aa0977cd41873ee8362
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01272- (2022)
This paper investigates the influence of concrete/gypsum bedding layers and their orientation angles on the tensile failure mechanism in the three-point bending test based on experiments and numerical simulations. Rectangular samples containing diffe
Externí odkaz:
https://doaj.org/article/cca22d46c3824f729cc914d36e6c7360
Publikováno v:
International Journal of Coal Science & Technology, Vol 6, Iss 4, Pp 518-535 (2019)
Abstract The underground or open-pit methods are used for the extraction of mineral resources, each of which is divided into different categories. Coal is one of the mineral resources, which is exploited either by the surface or the underground metho
Externí odkaz:
https://doaj.org/article/b19da4a393ad4916a4b6c95d1588e10a
Publikováno v:
Geohazard Mechanics; Sep2024, Vol. 2 Issue 3, p153-163, 11p
Publikováno v:
Mechanics of Advanced Materials and Structures. :1-25
Publikováno v:
Magazine of Concrete Research. 75:379-401
In this study, the tensile strength, failure mechanism and ductile behaviour of geogrid-reinforced high-strength self-compacting concrete discs subjected to both the Brazilian tensile strength test and a biaxial compressive test are studied. To deter