Results 21 to 30 of about 1,220,037 (212)

New methodology for calculating damage variables evolution in Plastic Damage Model for RC structures [PDF]

open access: yes, 2017
The behavior of reinforced concrete (RC) structures under severe demands, as strong ground motions, is highly complex; this is mainly due to joint operation of concrete and steel, with several coupled failure modes.
Alfarah, Bashar   +2 more
core   +2 more sources

The Evolution of Internal Damage Identified by Means of X-ray Computed Tomography in Two Steels and the Ensuing Relation with Gurson’s Numerical Modelling

open access: yesMetals, 2019
This paper analyzes the evolution of the internal damage in two types of steel that show different fracture behaviors, with one of them being the initial material used for manufacturing prestressing steel wires, and the other one being a standard steel ...
Fernando Suárez   +5 more
doaj   +1 more source

Static mechanical properties and damage evolution characteristics of selected rocks in diversion tunnel under uniaxial loading [PDF]

open access: yesArchives of Civil Engineering
An in-depth understanding of the mechanical properties and damage and fracture mechanism of selected rocks in a diversion tunnel plays an important role in promoting the efficient construction and safety of rock blasting excavation in a diversion tunnel.
Rongzhou Yang   +4 more
doaj   +1 more source

Experimental and numerical analysis of micromechanical damage in the punching process for High-Strength Low-Alloy steels [PDF]

open access: yes, 2014
Sequential sheet metal forming processes can result in the accumulation of work hardening and damage effects in the workpiece material. The mechanical strength of the final component depends on the “evolution” of these two characteristics in the ...
ACHOURI, Mohamed   +3 more
core   +3 more sources

Effect of Fracture Coincidence on Mechanical Properties and Damage Evolution of Sandstone

open access: yesMeikuang Anquan, 2020
To study the effect of fracture coincidence on mechanical properties and damage evolution of fractured sandstone, five kinds of sandstone specimens with different crack distributions were simulated by RFPA2D software under uniaxial compression test. The
XUE Shipeng
doaj   +1 more source

Analysis of multiple impact tests’ damage to three-dimensional four-directional braided composites

open access: yesScience and Engineering of Composite Materials, 2022
This article was designed with a plurality of impact tests of three-dimensional four-directional braided composites, and the impact response of specimen impacted by a circular punch was studied.
Yan Shi, Chen Xixi, Zhao Yun
doaj   +1 more source

Investigation of damage evolution and its model of rock-like brittle materials

open access: yesRock and Soil Mechanics, 2021
To investigate the description and evolution of the damage state of rock-like brittle materials, the physical meaning of each elastic modulus method parameter based on the strain equivalence hypothesis and the limitations of the model application are ...
ZHANG Chao, YANG Chu-qing, BAI Yun
doaj   +1 more source

How Aspects of Self-Compassion Contribute to Wellbeing and the Effect of Age [PDF]

open access: yes, 2012
For modern high strength steels, instead of metal instability, ductile damage triggered by the formation of microvoids or microcracks resulting from the complex material microstructure, has become the key factor responsible for the final failure in the ...
Kalla, Mahima   +2 more
core   +1 more source

Damage Evolution and Failure Behavior of Post-Mainshock Damaged Rocks under Aftershock Effects

open access: yesEnergies, 2019
Rock stability has long been a hot topic during underground energy exploitation, but the failure process of rock materials under earthquake effects is extremely complicated, and the failure mechanism still remains unclear.
Zilong Zhou   +5 more
doaj   +1 more source

Damage-cluster distributions and size effect on strength in compressive failure [PDF]

open access: yes, 2012
We investigate compressive failure of heterogeneous materials on the basis of a continuous progressive damage model. The model explicitely accounts for tensile and shear local damage and reproduces the main features of compressive failure of brittle ...
David Amitrano   +5 more
core   +5 more sources

Home - About - Disclaimer - Privacy