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RISSimplified Prediction of the Thermal and Mechanical Behavior of a Cold-Formed Steel Composite Floor at Room and Elevated Temperatures
Publisher: American Society of Civil Engineers
Abstract: This paper presents a simplified method to predict the thermal and mechanical behavior of a new cold-formed steel floor system at room and elevated temperatures. A four-point bending test of such a floor assembly was ...
Elevated Temperature Material Degradation of Cold-Formed Steels under Steady- and Transient-State Conditions
Publisher: American Society of Civil Engineers
Abstract: Material properties at elevated temperatures are important factors in the fire safety design and numerical analysis of cold-formed steel structures. Most of the previous research on material properties at high temperatures ...
Numerical Simulations for Large Deformation of Granular Materials Using Smoothed Particle Hydrodynamics Method
Publisher: American Society of Civil Engineers
Abstract: Application of the smoothed particle hydrodynamics (SPH) method to the simulation of granular materials under large deformation is presented. The Drucker–Prager constitutive model with nonassociated flow rule is implemented ...
Area-Based Models of Highway Growth
Publisher: American Society of Civil Engineers
Abstract: Empirical data and statistical models are employed to predict where new highway routes are most likely to be located. The land use, population distribution, and highway network for the Twin Cities’ Metro Area from 1958 to ...
A Hierarchical Statistical Sensitivity Analysis Method for Complex Engineering Systems Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Statistical sensitivity analysis (SSA) is playing an increasingly important role in engineering design, especially with the consideration of uncertainty. However, it is not straightforward to apply ...
Sequential Optimization and Reliability Assessment Method for Efficient Probabilistic Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Probabilistic design, such as reliability-based design and robust design, offers tools for making reliable decisions with the consideration of uncertainty associated with design variables/parameters ...
Activation of Binary Binder Containing Fly Ash and Portland Cement Using Red Mud as Alkali Source and Its Application in Controlled Low-Strength Materials
Publisher: ASCE
Abstract: The feasibility of using red mud as an alkali source in alkali-activated fly ash and Portland cement (PC) based binary binder for controlled low-strength material (CLSM) is investigated. The alkalis in red mud are NaOH and ...
Gap Detection of Switch Machines in Complex Environment Based on Object Detection and Image Processing
Publisher: ASCE
Abstract: A turnout, a device to guide tracks, is critical to the safety of high-speed railways. Detecting gaps in switch machines can monitor a turnout’s working performance. Existing gap-detection systems, however, can barely ...
Effect of an Inert Gas on Heat and Mass Transfer in a Vertical Channel With Falling Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of inert (noncondensable) gases on the heat and mass transfer (absorption) for channel flow of water vapor in conjunction with falling aqueous LiBr films is investigated. The ...
Multiaxial Constitutive Behavior of Ferroelectric Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multiaxial ferroelectric/ferroelastic constitutive laws governing the behavior of ceramic lead zirconate titanate (PZT) are needed for numerical calculations of stress and electric field in the ...