Results 1 to 10 of about 6,573,947 (328)

Experimental study on change mechanism of coal and rock permeability under total stress and strain condition

open access: yesMeikuang Anquan, 2021
In order to study the permeability evolution law of coal and rock under the action of mining dynamic load, the Darcy law steady-state measurement method was adopted to conduct the stress-strain permeability experiment of coal and rock using the triaxial ...
XUE Junhua, LI Yanhe, LI Hongbiao, YUAN Zhandong, ZHAN Keliang
doaj   +1 more source

Mathematical Modeling of the Self-Compacting Concrete Samples Behavior Produced from The Syrian Raw Materials

open access: yesSyrian Journal for Science and Innovation, 2023
The main purpose of the research is to find a mathematical model describing the behaviour of self-compacting concrete SCC produced from local raw materials only by using mathematical analysis and experimental test results.
Ammar Tawashi , Soleman Al-Amoudi
doaj   +1 more source

Elaboration and Mechanical-Electrochemical Characterisation of Open Cell Antimonial-lead Foams Made by the “Excess Salt Replication Method” for Eventual Applications in Lead-acid Batteries Manufacturing [PDF]

open access: yesKemija u Industriji, 2020
In this study, open cell 25 % antimony-lead alloy foams are fabricated for possible use to lighten thick plates of lead-acid batteries. A new inexpensive and simple variant of the salt replication process is developed and explored.
Amel Hind Hassein-Bey   +3 more
doaj   +1 more source

Study on Dynamic Response Characteristics of Different Asphalt Pavement Structures Based on ALF Test

open access: yesAdvanced Engineering Research, 2023
Introduction. In recent years, one of the main trends in the field of testing road structures has become field study of their large-scale models at the accelerated load facility (ALF). It can significantly reduce the cost of selecting the most economical 
Ni Guangcong   +3 more
doaj   +1 more source

Stress–strain relationship model of glulam bamboo under axial loading

open access: yes, 2020
Glulam bamboo has been preliminarily explored for use as a structural building material, and its stress–strain model under axial loading has a fundamental role in the analysis of bamboo components. To study the tension and compression behaviour of glulam
Yang Wei   +4 more
semanticscholar   +1 more source

Optimization of Mortar/Agave americana Fibers Composite Behavior Based on Experimental Design

open access: yesJournal of Natural Fibers, 2023
Processing parameters and manufacturing techniques of composite materials have a considerable impact on the physicomechanical properties of a final product.
Insaf Mehrez   +3 more
doaj   +1 more source

An experimental study of the stress-strain relationship of different excavation paths for soft soil K0 consolidation

open access: yesShuiwen dizhi gongcheng dizhi, 2023
In the process of foundation pit excavation, the soil mass in different parts shows dynamic destruction characteristics due to diverse unloading mechanics.
Yongfen RUAN   +4 more
doaj   +1 more source

Instrumented indentation for determination of full range stress-strain curves [PDF]

open access: yes, 2014
One common method for the determination of full range stress-strain curves by instrumented indentation is presented and validated for an aluminium alloy.
De Smedt, A   +4 more
core   +1 more source

Stress–strain curves of metallic materials and post‐necking strain hardening characterization: A review

open access: yesFatigue & Fracture of Engineering Materials & Structures, 2019
Fatigue Fract Eng Mater Struct. 2019;1–17. Abstract For metallic materials, standard uniaxial tensile tests with round bar specimens or flat specimens only provide accurate equivalent stress–strain curve before diffuse necking.
Shengwen Tu   +3 more
semanticscholar   +1 more source

Passive Stiffness of Left Ventricular Myocardial Tissue Is Reduced by Ovariectomy in a Post-menopause Mouse Model

open access: yesFrontiers in Physiology, 2018
Background: Heart failure (HF) – a very prevalent disease with high morbidity and mortality – usually presents with diastolic dysfunction. Although post-menopause women are at increased risk of HF and diastolic dysfunction, poor attention has been paid ...
Núria Farré   +19 more
doaj   +1 more source

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