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Mechanical Behavior and Particle Crushing of Carbonate Sand in Simple Shear Tests
Publisher: ASCE
Abstract: The mechanical behavior and particle breakage of carbonate sand under a simple shear condition are a concern for many engineers. In this study, simple shear tests were carried out under constant-load and constant-volume ...
Creep Damage Evolution Law and Stability Analysis of Remnant Coal Pillars in Longwall Goafs
Publisher: American Society of Civil Engineers
Abstract: Remnant coal pillars in longwall goaf are vulnerable to creep deformation, damage, and instability under sustained pressure from the overlying strata. To study the creep damage status of coal pillars, we first built a ...
Interfacial Adhesion of Anisotropic Conductive Adhesives on Polyimide Substrate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There has been steadily increasing interest in using electrically conductive adhesives as interconnecting materials in electronics manufacturing. Simple processing, low processing temperature and ...
Numerical Simulations of Dynamic Fracture Growth Based on a Cohesive Zone Model with Microcracks
Publisher: American Society of Civil Engineers
Abstract: A cohesive finite element model is employed to study the dynamic crack growth mechanisms in different materials. Dynamic crack propagation is analyzed numerically for a 2D square specimen with prescribed initial microcracks ...
Thermal Stress Distribution in Thick Wall Cylinder Under Thermal Shock
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presented the stress distribution in a thick walled cylinder under thermal shock. Dirac function was introduced to model thermal shock. An analytical solution of the temperature field ...
Evaluations of BDA Scheme Using the Advanced Research WRF (ARW) Model
Publisher: American Meteorological Society
Abstract: A tropical cyclone bogus data assimilation (BDA) scheme is built in the Weather Research and Forecasting three-dimensional variational data assimilation system (WRF 3D-VAR). Experiments were conducted (21 experiments with ...
Dislocation Density and Grain Size Evolution in the Machining of Al6061 T6 Alloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focuses on addressing the severe plastic deformation (SPD) behavior and the effects of machining parameters on microstructure alternations in machined surface created from highspeed machining. A finite element ...
As(III), As(V), Hg, and Pb Removal by Fe-Oxide Impregnated Activated Carbon
Publisher: American Society of Civil Engineers
Abstract: The removal of As(III), As(V), Hg(II), and Pb(II) by virgin and Fe(III) impregnated activated carbons (FeAC) was investigated. Iron-oxide impregnation increased the pH
Dynamical Downscaling of Seasonal Climate Prediction over Nordeste Brazil with ECHAM3 and NCEP's Regional Spectral Models at IRI
Publisher: American Meteorological Society
Abstract: This study presents an evaluation of a seasonal climate forecast done with the International Research Institute for Climate Prediction (IRI) dynamical forecast system (regional model nested into a general circulation model) ...
Study on the Optimization of Construction Cable Tensions for Multi-rib Butterfly-shape Arch Bridges
Publisher: American Society of Civil Engineers
Abstract: Due to the alienation of arch ribs on a butterfly-shaped arch bridge, the structural behavior of the bridge is particularly complicated and presents obvious spatial effects. The cable forces during construction are calculated ...
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