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damage and cracking

Applicability of damage indices for detection of cracking in steel moment connections

Applicability of damage indices for detection of cracking in steel moment connections

... of cracking in this connection, since each one of the two indices reach similar values for the various loading histories ...3. Damage indices in the instant of cracking ...

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Effect of Localized Coating Damage on Stress Corrosion Cracking Resistance of API 5L Grade B Steel

Effect of Localized Coating Damage on Stress Corrosion Cracking Resistance of API 5L Grade B Steel

... corrosion cracking (SCC) has been much interest of ...hydrogen damage of API X70 and corrosion of API X100 have been ...coating damage on stress corrosion cracking ...

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Prediction of Thermal Cracking in Asphalt Pavements Using Simplified Viscoelastic Continuum Damage Theory

Prediction of Thermal Cracking in Asphalt Pavements Using Simplified Viscoelastic Continuum Damage Theory

... thermal cracking model was developed at the University of Illinois at Urbana- Champaign and introduced as the Illi-TC model (Dave et ...updated damage magnitude. If the effect of damage on material ...

252

Investigation of Top-Down Cracking Mechanisms Using The Viscoelastic Continuum Damage Finite Element Program.

Investigation of Top-Down Cracking Mechanisms Using The Viscoelastic Continuum Damage Finite Element Program.

... fatigue cracking evaluation of pavement systems, the viscoelastic continuum damage (VECD) model has been incorporated into the public domain finite element code, FEP++ ...the damage is calculated for ...

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Evaluation of Stress Corrosion Cracking Damage to an API 5L X52 Pipeline Transporting Ammonia: A Case Study

Evaluation of Stress Corrosion Cracking Damage to an API 5L X52 Pipeline Transporting Ammonia: A Case Study

... a cracking mechanism by Stress Corrosion Cracking (SCC) which was caused by the combined effect of different fac- tors: high stress resistance, high hardness of the base metal with a microstructure prone to ...

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Intergranular Reheat  Cracking In 304H Components: Experiments And Damage Evaluation

Intergranular Reheat Cracking In 304H Components: Experiments And Damage Evaluation

... The characteristics of this heat input (power and time) are obtained from Rosenthal analytical formulas and fitted in order to obtain a fair representation of th[r] ...

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Investigation of Specimen Geometries for the VECD Model and Calibration of the LVECD Program for Fatigue Cracking Performance of Asphalt Pavements

Investigation of Specimen Geometries for the VECD Model and Calibration of the LVECD Program for Fatigue Cracking Performance of Asphalt Pavements

... fatigue damage growth and permanent deformation are still in demand in addition to efficient tools for strain and stress ...Continuum Damage (S-VECD) model is a mechanistic approach that has been applied ...

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Field Investigation of Damage to Islamic Monuments Caused by the Egyptian Earthquake of October 12, 1992

Field Investigation of Damage to Islamic Monuments Caused by the Egyptian Earthquake of October 12, 1992

... The earthquake of October 12, 1992 did cause damage to some of the Islamic monuments, such as cracking in the walls, arches and domes; leaning of minaret towers and corresponding failure[r] ...

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Assessment of Thermo Mechanical Fatigue Behaviors of Cast Al Si Alloys by Experiments and Multi Step Numerical Simulation

Assessment of Thermo Mechanical Fatigue Behaviors of Cast Al Si Alloys by Experiments and Multi Step Numerical Simulation

... Out-of-phase type thermo-mechanical fatigue tests have been performed for Al-Si cast alloys with the temperature range of 323–523 K and the applied mechanical strain range of 0.5–1.5%. Thermo-mechanical fatigue lives and ...

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Structural damage to houses and buildings induced by liquefaction in the 2016 Kumamoto Earthquake, Japan

Structural damage to houses and buildings induced by liquefaction in the 2016 Kumamoto Earthquake, Japan

... much damage was triggered by ground liquefaction that occurred in Kumamoto City and surrounding area of the Kumamoto Prefecture, such as rupturing and cracking of the ground surface and ground subsidence ...

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Scenario for the Damage   of PWR Fuel Cladding in Situations of Pellet-Cladding Interaction   (C288)

Scenario for the Damage of PWR Fuel Cladding in Situations of Pellet-Cladding Interaction (C288)

... On the basis of existing experimental data, mainly from power transients experiments on irradiated fuel, and of finite element calculations of these experiments, a linear elastic fracture mechanics analysis with a crack ...

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Test Method to Evaluate the Effect of Interface Bond Conditions on Top Down and Reflective Cracking

Test Method to Evaluate the Effect of Interface Bond Conditions on Top Down and Reflective Cracking

... of damage development (reduction in stiffness) on composite specimens specifically designed for this ...Top-down cracking tests were performed on open- graded friction course (OGFC) mixtures placed on ...

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DEVELOPMENT OF A MODIFIED PALM-NUT CRACKER

DEVELOPMENT OF A MODIFIED PALM-NUT CRACKER

... kernel damage. Equation relating the required speed for cracking operation and force requirement in fracturing the nut was expressed, and the force was experimentally determined before machine ...that ...

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Experimental and numerical studies of combined in-plane and out-of-plane behavior of sc wall piers

Experimental and numerical studies of combined in-plane and out-of-plane behavior of sc wall piers

... The damage to the infill concrete was not predicted using the Winfrith concrete model, which assumes elastic-perfectly plastic behaviour in ...concrete cracking on the North and South faces (seen in Figure ...

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Application of DIALIFE   system for Residual Life Time Assessment on Nuclear Power Plants   (D406)

Application of DIALIFE system for Residual Life Time Assessment on Nuclear Power Plants (D406)

... The owner of the plant has the interest to extend its lifetime when design life of components nears to an end. Extension is possible when the level of material damage is known. Quick determination of mechanical ...

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Strain Energy Release Rate Analyse of Matrix Micro Cracking in Composite Cross Ply Laminates

Strain Energy Release Rate Analyse of Matrix Micro Cracking in Composite Cross Ply Laminates

... each damage type (even those corresponding to parts of the strain energy which can be considered neg- ...transverse cracking damage, whereas is it necessary to used refined model to describe the ...

10

Mixed-mode damage into a CGRP cruciform subjected to biaxial loading

Mixed-mode damage into a CGRP cruciform subjected to biaxial loading

... the damage behaviour of the structure, a new stress dam- age curve has been proposed for the in-plane loading under ...of damage during the degradation process of the CGRP ...the damage produced in ...

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Analytic   Simulation of the Seismic Failure of a Reinforced Concrete Containment Vessel   Model

Analytic Simulation of the Seismic Failure of a Reinforced Concrete Containment Vessel Model

... However, the test results for the RCCV specimen dramatically showed the dependence of the structural response on the cyclic degradation of the cracking damage for t[r] ...

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Subtle features of delamination in cross ply laminates due to low speed impact

Subtle features of delamination in cross ply laminates due to low speed impact

... intra-laminar damage, i.e. the transverse matrix cracking in the 0 lamina distal to the impactor is the reason for the experimental observation of the pointed delamination ...of damage, a rounded ...

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Microscopic investigation of subsurface initiated damage of wind turbine gearbox bearings

Microscopic investigation of subsurface initiated damage of wind turbine gearbox bearings

... and damage initiation mechanism of this premature failure are not fully understood; despite extensive research and investigation in recent ...microstructural damage and to understand damage ...

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