Experimental Study on Stiffness Degradation of Rock Under Uniaxial Cyclic Sinusoidal Compression Loading
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-019-01835-3
Abstract: Improvement in the field of mining, tunneling and foundation engineering demands more effective studies on rock subjected to cyclic loading. In the past three decades, much work has been reported in the literature on the… read more here.
Keywords: cyclic loading; stiffness degradation; rock; uniaxial cyclic ... See more keywords
Theoretical modeling of fatigue phenomenon in composite pipes
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2016.11.054
Abstract: In this research, lifetime prediction of composite pipes subjected to internal cyclic hydrostatic pressure is considered. Progressive damage modeling technique is employed based on stiffness degradation for evaluating fatigue failure. The modeling procedure consists of… read more here.
Keywords: modeling fatigue; stiffness degradation; mechanical properties; composite pipes ... See more keywords
Real-time monitoring stiffness degradation of hardened cement paste under uniaxial compression loading through piezoceramic-based electromechanical impedance method
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.119395
Abstract: Abstract Real-time health monitoring of cementitious materials under external loadings is of great significance to help engineers evaluate structural safety state and ensure timely maintenance. As a promising nondestructive testing method, the electromechanical impedance (EMI)… read more here.
Keywords: compression; real time; stiffness degradation; method ... See more keywords
Disorder-induced stiffness degradation of highly disordered porous materials
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2017.05.008
Abstract: The effective mechanical behavior of multiphase solid materials is generally modeled by means of homogenization techniques that account for phase volume fractions and elastic moduli without considering the spatial distribution of the different phases. By… read more here.
Keywords: disorder; disorder induced; stiffness degradation; disordered porous ... See more keywords
Experimental insights into the stiffness degradation of subgrade soils prone to mud pumping
Sign Up to like & getrecommendations! Published in 2020 at "Transportation geotechnics"
DOI: 10.1016/j.trgeo.2020.100490
Abstract: Abstract Recent laboratory investigations conducted on soils prone to mud pumping have shown that the subgrade soil experiences softening associated with an internal redistribution of moisture when the cyclic stress ratio (CSR) exceeds a certain… read more here.
Keywords: subgrade soils; stiffness degradation; prone mud; soils prone ... See more keywords
Experimental investigation of the fatigue behavior of glass/epoxy composites evaluated by the stiffness degradation and damage accumulation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Composite Materials"
DOI: 10.1177/0021998318790341
Abstract: The present paper deals with the mechanical behavior of glass/epoxy composite materials under static and cyclic tensile loading. The tested specimens have been made with different stacking sequences ([02/902]s; [902/02]s; [03/90]s; [903/0]s) according to the… read more here.
Keywords: glass epoxy; stiffness degradation; degradation damage; behavior glass ... See more keywords
A wavelet transform and substructure algorithm for tracking the abrupt stiffness degradation of shear structure
Sign Up to like & getrecommendations! Published in 2018 at "Advances in Structural Engineering"
DOI: 10.1177/1369433218807690
Abstract: Time-varying parameter identification is an important research topic for structural health monitoring, performance evaluation, damage diagnosis, and maintenance. Practical civil engineering structures usually contain multiple degrees of freedom; however, damage often locally occurs. In this… read more here.
Keywords: degradation; substructure; stiffness degradation; abrupt stiffness ... See more keywords
Study on the stiffness degradation in concrete continuous beam with externally prestressed CFRP tendons under fatigue loading
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Structural Engineering"
DOI: 10.1177/1369433221992492
Abstract: This paper presents fatigue behaviors and the stiffness degradation law of concrete continuous beams with external prestressed carbon fiber-reinforced polymer (CFRP) tendons. Three specimens were tested under fatigue loading, and the influence of different load… read more here.
Keywords: cfrp tendons; degradation; fatigue loading; concrete continuous ... See more keywords