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RISMicroscopic Studies of Flank Wear on Alumina Tools
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flank wear of alumina cutting tools in the machining of annealed steels, AISI 1045 and 4340, which were approximately the same hardness, was studied microscopically. The intent was to ...
Retrofitting Short-Span Precast Channel Beam Bridges Constructed without Shear Reinforcement
Publisher: American Society of Civil Engineers
Abstract: This paper investigates retrofitting precast, nonprestressed, channel beams (PCB) used in short-span bridges to improve beam shear strength and, consequently, beam ductility. Three retrofit approaches were investigated: ...
Microstructure as a Criterion for the Selection of Hot Working Process Parameters for Plain Medium Carbon Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cylindrical compression specimens of 0.42 carbon steel were deformed at temperatures from 816 to 982°C (1500–1800°F) and at average strain rates of 0.5 to 3.0 s−1, to a true strain ...
Performance of an Anti-Icing Epoxy Overlay on Asphalt Surfaces
Publisher: American Society of Civil Engineers
Abstract: This paper summarizes the evaluation of a thin-bonded epoxy overlay placed on an asphalt-wearing surface in an effort to increase skid resistance, decrease wear of the bridge deck, reduce the development of bonded snow and ...
A Random Differential Equation Arising in Stream Pollution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new stochastic model for stream pollution is discussed. The model involves a random differential equation of the form X ̇(t) = AX (t) + y (t), 0 ≤ t ≤ Q, (for some large Q > 0) ...
Special Issue on Collaborative Engineering
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Design of complex engineering systems is increasingly becoming a collaborative task among designers or design teams that are physically, geographically, and temporally distributed. The complexity ...
Live Load Distribution Factors in Two-Girder Bridge Systems Using Precast Trapezoidal U-Girders
Publisher: American Society of Civil Engineers
Abstract: The lever rule method is often used to determine live load distribution factors (LDFs) in two-girder bridge systems because of the ranges of applicability implicit in the simplified equations of the AASHTO LRFD bridge ...
Investigation of Cracks Observed in Underwater Bridge Seal Structures and Crack Control by Means of Material Design
Publisher: ASCE
Abstract: A large number of cracks were observed in a bridge seal structure during an underwater inspection. The seal is 13.2 m long, 5.9 m wide, and 6.8 m deep and thus is considered mass concrete. The concrete mixture contains ...
Understanding Friction Behavior in Automatic Transmission Fluid LVFA Test: A New Positive Curve Parameter to Friction Coefficient Ratio Index Evaluation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The frictional characteristics of some basic additive systems used in automatic transmission fluids (ATFs) were assessed using a variable speed friction test machine. The test evaluates the ...
Optimization of Cementitious Material Content for Sustainable Concrete Mixtures
Publisher: American Society of Civil Engineers
Abstract: Utilization of fly ash in concrete reduces the use of virgin materials and offers benefits of reduced landfill materials and