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Leaching Behavior of Hazardous Heavy Metals from Lime Fly Ash Cements
Publisher: American Society of Civil Engineers
Abstract: The heavy metals leaching potential of lime fly ash cements was evaluated for one low loss on ignition (LLOI) and one high loss on ignition ash (HLOI). Three different test methods were used: (1) a standard shaken (stirred) ...
Stipends in Highway Design–Build Projects
Publisher: ASCE
Abstract: Considering that little guidance exists for determining the appropriate stipend amount in design–build projects, the goal of this study is to benchmark the current practices regarding stipends and determine the relative ...
Illustrative Field Configuration and Evaluation of Traffic-Responsive Control
Publisher: American Society of Civil Engineers
Abstract: Traffic-responsive plan selection (TRPS) control is one of the largely underutilized control features in National Electircal Manufacturers Association traffic controllers. This control feature allows the controller to ...
Analytical Investigation of Performance of Passive Negative Stiffness Damper in Two-Cable Hybrid Network
Publisher: American Society of Civil Engineers
Abstract: Stay cables in cable-stayed bridges are susceptible to vibrations due to their inherent flexibility and low damping. Different countermeasures to control such vibrations have been extensively researched as well as implemented ...
Optimal Open-Loop Ram Velocity Profiles for Isothermal Forging: A Variational Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper considers the problem of selecting the ram velocity profile in an isothermal forging, to best obtain a desired material microstructure. This is to be accomplished by tracking a ...