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RISNew Aspects in Time-Cost Tradeoff Analysis
Publisher: American Society of Civil Engineers
Abstract: This paper presents a linear programming model for solution of the time-cost tradeoff problem. Although several analytical models have been developed for time-cost optimization (TCO), many of them mainly focused on projects ...
Tooth Load Sharing in High-Contact Ratio Spur Gears
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A closed-form solution is presented for calculating the load sharing among meshing teeth in high contact ratio gearing (HCRG). The procedure is based upon the assumption that the sum of the ...
Experimental Analysis of Journal Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study presents a comprehensive technique, which could be applied to almost any rotating equipment to identify and diagnose journal bearing problems that relate to metal-to-metal bearing ...
Investigations on the Trajectory of Large Sandbags in Open Channel Flow
Publisher: American Society of Civil Engineers
Abstract: Investigations undertaken to understand the mechanics of the motion of large sandbags and to compute their trajectories are reported in this paper, along with the details of the experimental setup and procedures. The motion ...
Drag and Added-Mass Coefficients of Large Sandbags
Publisher: American Society of Civil Engineers
Abstract: Experimental investigations to understand the mechanics of motion of large sandbags and to simulate their settling behaviors are reported in this paper along with the details of experimental setup and procedures. Two ...
Performance Evaluation and Microstructure Characterization of Steel Fiber–Reinforced Alkali-Activated Slag Concrete Incorporating Fly Ash
Publisher: American Society of Civil Engineers
Abstract: This paper investigates the performance of steel fiber–reinforced alkali-activated slag concrete incorporating different fly ash replacement percentages. Three different molarities of sodium hydroxide (SH) were combined ...
Experimental Investigation on the Stick-Slip Phenomenon in Granular Collision Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An investigation on the nature of stick-slip associated with granular materials sheared between two parallel disks within the context of granular lubrication is presented. Experiments are carried ...
Granular Collision Lubrication: Experimental Investigation and Comparison to Theory
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of the friction and lift characteristics of granular lubrication is presented. Experiments are carried out to demonstrate the vertical displacement (lift) observed in ...
Imperfection Modeling Using Finite Element Approach with Particular Discretization
Publisher: American Society of Civil Engineers
Abstract: The research reported in this paper presents an attempt to improve the modeling of imperfections in steel structures using a finite-element approach with particular discretization. This approach, termed the modified ...
Experimental Study on the Piping Erosion Process in Earthen Embankments
Publisher: American Society of Civil Engineers
Abstract: Experimental results on the piping erosion process in an earthen embankment emplaced in a laboratory flume are reported in this paper along with the details of the experimental set-up and procedures. A mixture of sand, ...