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RISImpact Resistance and Fracture Toughness of Vanadium-Based Microalloyed Forging Steel in the As-Forged and Q&T Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microalloyed (MA) steels are a family of steels which are becoming an increasingly important economic alternative to the traditional quenched and tempered (Q&T) steels. Impact resistance and ...
An Isothermal Finite Difference Model for Droplet Spread in the Spraying of Hot Die Surfaces With Water-Based Graphite Lubricants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dilute sprays are used in hot die processing to lubricate and cool the die surface prior to forming of the part. These sprays are often stochastic in nature with fine droplets that are ...
Axisymmetric Failure Mechanism of a Deep Cavity in Layered Soils Subjected to Pore Pressure
Publisher: American Society of Civil Engineers
Abstract: To investigate the roof stability of deep cavities in layered soils, an axisymmetric failure mechanism based on the existing mechanism is proposed. Because deep cavities are generally under the water table, the adverse ...
Nonlinear Vibrations of Elastically-Constrained Rotating Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analysis of nonlinear vibrations of an elastically-constrained rotating disk is developed. The equations of motion, which are two coupled nonlinear partial differential equations corresponding ...
Back Analysis of Rock Tunnel Using Boundary Element Method
Publisher: American Society of Civil Engineers
Abstract: A boundary element method is presented for the ``back analysis'' of convergence measurements and measurements of the stress tangential to the tunnel circumference in an unlined tunnel following its excavation. When ...
Underground Space Use and Urban Planning in Shanghai
Publisher: American Society of Civil Engineers
Abstract: A small city until the 1800s, Shanghai has developed very quickly in recent times, especially since 1950. As the city economy has grown, many new buildings and factories have been constructed, and working and living ...
Limit Analysis of Anchor Trapdoor Embedded in Nonhomogeneous and Nonlinear Soils
Publisher: American Society of Civil Engineers
Abstract: The anchor trapdoor provides a simple and economical system widely used to study the stability of similar geotechnical engineering structures, such as foundations and tunnels. In this study, the passive and active failure ...
Seismic Active Earth Pressure for Soils with Tension Cracks
Publisher: American Society of Civil Engineers
Abstract: It is widely acknowledged that the occurrence of seismic force and cracks will increase the active earth pressure acting on a retaining wall. In this work, a kinematic approach for the evaluation of seismic active earth ...
Seismic Active Earth Pressure for Soils with Tension Cracks
Publisher: American Society of Civil Engineers
Abstract: It is widely acknowledged that the occurrence of seismic force and cracks will increase the active earth pressure acting on a retaining wall. In this work, a kinematic approach for the evaluation of seismic active earth ...
Effects of Vibration History on Modulus and Damping of Dry Sand
Publisher: American Society of Civil Engineers
Abstract: This paper describes an experimental program aimed at a close examination of the dynamic properties (shear modulus and damping ratio) of a normally consolidated dry sand as affected by the previous vibration. Tests were ...