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RISAsymptotic Analysis of a Mode I Crack Propagating Steadily in a Deformation Theory Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The near-tip asymptotic stress and deformation fields of a crack propagating steadily and quasi-statically into an elastic-plastic material are presented. The material is characterised by J2 ...
Plastic Stress Intensity Factors in Steady Crack Growth
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: . This effect was taken into account by Ponte Castañeda (1987b), who also introduced a new formulation for the (eigenvalue) problem in terms of a system of first order O.D.E.’s in the angular variations of the stress...
Asymptotic Fields of a Perfectly-Plastic, Plane-Stress Mode II Growing Crack
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The asymptotic near-tip stress and velocity fields are presented for a plane-stress Mode II crack propagating quasi-statically in an elastic-perfectly plastic Mises solid. The solution is found ...
Methodology for Forensic Investigations of Seismic Damage
Publisher: American Society of Civil Engineers
Abstract: A methodology is presented for conducting forensic investigations of earthquake‐damaged structures. Causes of unexpected damage, indicated by differences between predicted (expected) and observed damage, are significant ...
Time-Dependent Reliability Analysis of Corroded Buried Pipelines Considering External Defects
Publisher: American Society of Civil Engineers
Variational Estimates for the Effective Response of Shape Memory Alloy Actuated Fiber Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The homogenization procedure of Ponte Castañeda is used to estimate the effective behavior of active composite materials consisting of aligned shape memory alloy (SMA) fibers embedded in a linear elastic matrix...
Computational Tool for Real-Time Hybrid Simulation of Seismically Excited Steel Frame Structures
Publisher: American Society of Civil Engineers
Abstract: Real-time hybrid simulation (RTHS) offers an economical and reliable methodology for testing integrated structural systems with rate-dependent behaviors. Within a RTHS implementation, critical components of the structural ...
Experimental Validation of a Generalized Procedure for MDOF Real-Time Hybrid Simulation
Publisher: American Society of Civil Engineers
Abstract: Real-time hybrid simulation (RTHS) has increasingly been recognized as a powerful methodology to evaluate structural components and systems under realistic operating conditions. The concept of RTHS combines the advantages ...
Workers’ Skills and Receptiveness to Operate Under the Tier II Construction Management Strategy
Publisher: American Society of Civil Engineers
Abstract: Several diverse factors have contributed to the construction industry’s shortages of skilled workers; these factors include decreased real wages, transient nature of work, poor industry image, lack of training, and lack ...
Prediction of Freezing Temperature inside Concrete Crossties at the Rail Seat Area
Publisher: American Society of Civil Engineers
Abstract: Air-entrained high performance concrete (HPC) crossties or ties (alternatively called sleepers outside of North America) have been observed to suffer structural and material degradation at the rail seat area (RSA), including ...