Results 1 to 10 of about 1,947 (222)

A Bayesian Framework for the Calibration of Cyclic Triaxial Tests

Geotechnics
This research presents the calibration of a constitutive model to replicate the cyclic performance of soils using a Bayesian framework. This study uses data from laboratory-conducted consolidated undrained isotropic cyclic triaxial tests and numerical ...
Luis Castillo-Suárez, Jesús Redondo-Mosquera, Vicente Mercado, Jaime Fernández-Gómez, Joaquín Abellán-García   +4 more
doaj   +3 more sources

Experimental study on the mechanical properties and deformation failure characteristics of sandstone under graded equal amplitude cyclic loading and unloading [PDF]

Scientific Reports
To investigate the effects of graded equal amplitude cyclic loading on rock deformation and failure, this study examines the influence of confining pressure and upper limit cyclic stress on the deformation parameters, stress–strain hysteresis curves, and
Zhiwei Ni, Jie Li, Ke Qin, Xiaogang Wu, Junxing Zhu, Shiming Zhou   +5 more
doaj   +2 more sources

Comparison of sand liquefaction in cyclic triaxial and simple shear tests

Soils and Foundations, 2021
The liquefaction resistance and correction factors Kσ and Kα of Nakdong River sand obtained from cyclic triaxial (CTX) tests were compared with those determined by cyclic simple shear (CSS) tests to ascertain the importance of the reduction factor Cr and
Zhen-Zhen Nong, Sung-Sik Park, Dong-Eun Lee   +2 more
doaj   +3 more sources

The correction factor of Monterey No. 0/30 sample with fines content liquefaction resistance between cyclic triaxial and cyclic hollow cylinder tests

Scientific Reports, 2022
Soil liquefaction is one of the most detrimental forms of earthquake-induced ground failure that can result in catastrophic damage to engineering structures.
Jungang Liu, Geng Chen
doaj   +1 more source

Derivation of Cyclic Stiffness and Strength Degradation Curves of Sands through Discrete Element Modelling

Modelling, 2022
Cyclic degradation in fully saturated sands is a liquefaction phenomenon characterized by the progressive variation of the soil strength and stiffness that occurs when the soil is subjected to cyclic loading in undrained conditions.
Fedor Maksimov, Alessandro Tombari
doaj   +1 more source

A simplified damage evolution relationship and deformation character¬istics of a pozzolanic lime mortar when subjected to unloading-reloading cycles in the pre-peak region

Fracture and Structural Integrity, 2019
Two series of uniaxial and triaxial compression tests including unloading-reloading cycles were performed under different confining press­ures, in order to study the stress-strain and the deformation behavior of a pozzolanic lime mortar subjected to ...
Kostas Kaklis, Zach Agioutantis, Stelios Mavrigiannakis, Pagona Maravelaki-Kalaitzaki   +3 more
doaj   +3 more sources

Mechanical Responses of a Deeply Buried Granite Exposed to Multilevel Uniaxial and Triaxial Cyclic Stresses: Insights into Deformation Behavior, Energy Dissipation, and Hysteresis

Advances in Materials Science and Engineering, 2021
This article presents the results for cyclic uni/triaxial tests on the deeply seated granite samples drilled from a −915 m deep tunnel in Sanshandao (SSD) gold mine.
Zhengyang Song, Yunfeng Wu, Zhen Yang, Xin Cai, Yunzhong Jia, Min Zhang   +5 more
doaj   +1 more source

Aging effects on liquefaction resistance of sand estimated from laboratory investigation

Soils and Foundations, 2023
Liquefaction resistance is known to increase concomitantly with the increase in time after construction or sedimentation. Nevertheless, the mechanisms of its aging effect on liquefaction have not been completely elucidated.
Hirofumi Toyota, Susumu Takada
doaj   +1 more source

Cyclic triaxial tests on bituminous mixtures [PDF]

Road Materials and Pavement Design, 2014
In the framework of a study on rutting of bituminous layers, thermo-controlled triaxial tests under constant confining pressure on homogeneous asphalt concrete specimen have been performed. These tests are cyclic sinusoidal tests, with the aim to reproduce in some way the loading and unloading phases due to traffic on roads.
Blanc, Juliette, Gabet, Thomas, Hornych, Pierre, Piau, Jean Michel, Di Benedetto, Hervé   +4 more
openaire   +1 more source

Evaluation of local damping effect on static and dynamic behaviors of granular materials using DEM modeling [PDF]

مهندسی عمران شریف, 2022
Frictional sliding may not be sufficient for the stability of a system. In almost all models in the Discrete Element Method (DEM), a local non-viscous damping is used to balance the system by applying a damping force with a magnitude proportional to the ...
N. Mahbubi Motlagh, A. Mahboubi, A. Noorzad   +2 more
doaj   +1 more source