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RISInvestigation of Initial Static Shear Stress Effects on Liquefaction Resistance Using Discrete Element Method Simulations
Publisher: ASCE
Abstract: Prior laboratory and in situ investigations show that monotonic preshearing can have a significant effect on the cyclic response of granular materials. The underlying mechanics that are responsible for these changes in ...
Hydration and Properties of Slag Cement Activated by Alkali and Sulfate
Publisher: American Society of Civil Engineers
Assessing the Impact of Metropolitan-Level, County-Level, and Local-Level Built Environment on Travel Behavior: Evidence from 19 U.S. Urban Areas
Publisher: American Society of Civil Engineers
Abstract: Research on land use and travel behavior has been mostly focused on the effects of local land use as opposed to the overall form of metropolitan area, regional employment accessibility and growth pattern, and job-housing ...
Determination of Sustainable Yield in Urban Groundwater Systems: Beijing, China
Publisher: American Society of Civil Engineers
Abstract: The city of Beijing has long-term concerns over the sustainable yield from its groundwater aquifers. The aquifers provide half of the city’s water supply and have seen falling water tables over the past century. The ...
Balancing Efficiency and Equity of Ramp Meters
Publisher: American Society of Civil Engineers
Abstract: An efficient ramp control strategy may not be politically attractive due to its negative impacts on equity. This paper addresses this issue and presents a new objective for ramp metering—minimizing weighted travel time—which ...
An Experimental and Numerical Investigation on the Thermal-Hydraulic Performance of Double Notched Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The double notched (DN) plate is commonly used in rotary air preheaters, but relevant investigations are rare. Thus, thermal-hydraulic performances of the DN plate are investigated in this paper. ...
Adjoint Analysis of Plane Poiseuille Flow Global and Convective Stability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The adjoint analysis of plane Poiseuille flow is conducted for both global and convective stability problems. Receptivity and structural sensitivity are analyzed using a stabilized finite element method. In the global ...
Stiffness Demand on Stiffeners of Vertically Stiffened Steel Plate Shear Wall
Publisher: ASCE
Abstract: Elastic buckling of steel plate shear walls (SPSWs) vertically stiffened by either flat-bar or closed-section stiffeners is studied first to determine the required bending stiffness on stiffeners. The torsional stiffness ...
Seismic Damage Analysis of Piled Pier System Constructed on Soft Clay Ground
Publisher: ASCE
Abstract: Due to the complex clay–pile interaction and significant amplification effect of soft clay, the seismic performance of the piled bridge in soft clay ground is largely unassured. In this study, a suite of both parametric ...
Evaluation of Air Void and Cracking Characters of Cement-Stabilized Crushed Stone through X-ray Computed Tomography
Publisher: ASCE
Abstract: This paper presents a method of quantifying the air-void distribution and cracking characters through X-ray computed tomography. Five mixtures are analyzed for air-void distribution, and two of them are tested for cracking ...