Results 21 to 30 of about 432,133 (164)

Geomechanics and Geology of Marine Terraces of the Crotone Basin, Calabria (Italy)

Geosciences
This study investigates the geomechanical behavior of five terrace orders in the Crotone Basin. The purpose is to understand the physical–mechanical parameters of these terraces to determine whether rock or soil mechanics principles should be applied for
Gloria Campilongo, Maurizio Ponte, Francesco Muto, Salvatore Critelli, Filippo Catanzariti, Davide Milone   +5 more
doaj   +1 more source

Estimation of modulus of elasticity of compacted loess soil and lateritic-loess soil from laboratory plate bearing test

Case Studies in Construction Materials, 2022
In this paper, the moduli of elasticity of compacted loess and lateritic-loess soils on-site were estimated from the laboratory test. These were coarse grain soils used for the construction of base course and embankment of the railway line. The knowledge
Prinya Chindaprasirt, Arkhom Sriyoratch, Anukun Arngbunta, Panatchai Chetchotisak, Peerapong Jitsangiam, Apichit Kampala   +5 more
doaj   +1 more source

Estimation effect of load reduction of acrylic foam film by dynamic three-point bending test

Nihon Kikai Gakkai ronbunshu, 2016
In this research, impact reduction effect of acrylic foam film was clarified by using dynamic three-point bending testing machine. The specimens were an aluminum alloy (JIS A6063) beams with an acrylic foam films on surfaces of the beams.
Kyohei TAKEO, Tadaharu ADACHI, Ryohei KORETOH, Hitoshi TADA   +3 more
doaj   +1 more source

Effect of Indenter Angle on Bearing Performance of Coal and Accompanying Rocks Under Point Load and Characterization of Mechanical Parameters

Energy Science & Engineering
Coal, mudstone, sandstone, and limestone, which are common in coal mines, were selected as research objects, and 60°, 90°, and 120° indenters were used to conduct point load tests to study the deformation and failure laws of rocks under point loads. This
Qian Wang, Yujiang Zhang, Delong Cui, Guorui Feng, Yunlou Du, Shuai Zhang, Haojie Cheng, Zhengjun Zhang   +7 more
doaj   +1 more source

Extrapolation of Tractor Traction Resistance Load Spectrum and Compilation of Loading Spectrum Based on Optimal Threshold Selection Using a Genetic Algorithm

Agriculture, 2023
To obtain the load spectrum of the traction resistance of the three-point suspension device under tractor-plowing conditions, a load spectrum extrapolation method based on a genetic algorithm optimal threshold selection is proposed.
Meng Yang, Xiaoxu Sun, Xiaoting Deng, Zhixiong Lu, Tao Wang   +4 more
doaj   +1 more source

Nonlinear semi-numeric analysis and simplified analysis of polymer fiber-reinforced concrete prisms under three-point bending test conditions [PDF]

E3S Web of Conferences
This paper presents a semi-numeric nonlinear analysis and a simplified analysis for evaluating the load-displacement behavior of polymer fiber-reinforced concrete elements under three-point bending test conditions.
Unuk Ziga
doaj   +1 more source

Analysis of Load Inhomogeneity of Two-Tooth Difference Swing-Rod Movable Teeth Transmission System under External Excitation

Machines, 2022
In order to improve the load state of the two-tooth difference swing-rod movable teeth transmission system, in this paper, a dynamic equivalent calculation model of the transmission system is established based on lumped parameter theory, and then a ...
Rui Wei, Yali Yi, Menglei Wu, Meiyu Chen, Herong Jin   +4 more
doaj   +1 more source

Correlation Between P-wave Velocity and Strength Index for Shale to Predict Uniaxial Compressive Strength Value

MATEC Web of Conferences, 2017
Seismic refraction survey is a non destructive method used in site investigation to identify the seismic velocity subsurface strata. Although it is widely known, the reliability of the result is still doubtable for some reason as well as due to an ...
Awang H., Ahmad Rashidi N. R., Yusof M., Mohammad K.   +3 more
doaj   +1 more source

Structural and textural characteristics of slate and its response to the point load test

Geologija, 2006
From the geomechanical point of view slate is considered to be one of more trying rock varieties. The results of research have shown close relationship between structural, textural and mineralogical characteristics on the one hand, and its strength and ...
Ana Mladenovič, Mirka Trajanova
doaj  

Estimation of the strength of Nubian sandstone formation from point load test index and other simple parameters

MATEC Web of Conferences, 2018
This study investigates the correlation of the uniaxial compressive strength (UCS) and the point load test (PLT) index Is(50), bulk density, water absorption and the RQD properties of the Sudanese Nubian sandstone formation.
Zein Abdul Karim M., Sandal Mutasim A.
doaj   +2 more sources