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RISCrack Survey in Unreinforced Concrete or Masonry Abutments in Short- and Medium-Span Bridges
Publisher: American Society of Civil Engineers
Abstract: One of the most important tasks of a civil engineer as a bridge inspector is the structural assessment of cracks on bridge decks and their supporting structure. Although the work seems to have low value, the financial ...
Performance of Flat Roofs Made of Wooden Beams and Straw-Mud Mixture in the 2012 Twin Earthquakes of Ahar and Varzaghan, East Azarbaijan, Iran
Publisher: American Society of Civil Engineers
Abstract: Roofs covering buildings in the rural areas in Ahar and Varzaghan regions, prior to the August 11, 2012, twin earthquakes, can be categorized into three main groups: flat roofs composed of wooden beams together with a ...
Accelerated Construction of Short Span Railroad Bridges in Iran
Publisher: American Society of Civil Engineers
Abstract: A comparison is made between the three conventional methods used for accelerated bridge construction (ABC) of railroad bridges in Iran: single-piece deck installation by heavy cranes, multisegment deck installation by ...
Numerical Modeling of Planar Molten Carbonate Fuel Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents numerical modeling of molten carbonate fuel cells (MCFCs). The physical model consists of electrical, electrochemical, mass transport, conservation of momentums and heat transfer ...
Ultimate Bearing Capacity of Helical Piles as Electric Transmission Tower Foundations in Unsaturated Soils: Analytical, Numerical, and Experimental Investigations
Publisher: ASCE
Abstract: In this paper, the compressive and tensile ultimate bearing capacity of helical piles, in the load range required for designing 63-kV transmission towers, are studied by conducting analytical and numerical investigations. ...
Cooperative Locomotion Via Supervisory Predictive Control and Distributed Nonlinear Controllers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a hierarchical nonlinear control algorithm for the real-time planning and control of cooperative locomotion of legged robots that collaboratively carry objects. An innovative network of reduced-order ...
Application of an End-Use Disaggregation Algorithm for Obtaining Building Energy-Use Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Metered end-use data for most Department of Defense (DoD) facilities are scarce. We discuss the application of a method (end-use disaggregation algorithm, EDA) to disaggregate short-interval ...
Relative Significance of Multiple Parameters on the Mechanical Specific Energy and Frictional Responses of Polycrystalline Diamond Compact Cutters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A high pressure single polycrystalline diamond compact (PDC) cutter testing facility was used to investigate the effect of five factors on PDC cutter performance on Alabama marble. The factors include: depth of cut (DOC), ...
Exploring Energy Efficiency in Historical Urban Fabrics for Energy-Conscious Planning of New Urban Developments
Publisher: ASCE
Abstract: The global rise in urban energy demand poses severe environmental and economic health challenges. We need adaptive policies in urban planning to reduce the need for urban energy. This has become a prominent agenda in urban ...
Pressure Drop in Rectangular Microchannels as Compared With Theory Based on Arbitrary Cross Section
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure driven liquid flow through rectangular cross-section microchannels is investigated experimentally. Polydimethylsiloxane microchannels are fabricated using soft lithography. Pressure drop data ...