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RISJapanese Construction R&D: Entrée into U.S. Market
Publisher: American Society of Civil Engineers
Abstract: The research and development (R&D) laboratory and several of the most recently developed and successfully used construction technologies of Japan's “Big Five” general contractors are described. These technologies include ...
Tension and Charpy V-Notch Impact Properties of Wire Arc Additively Manufactured ER70S-6
Publisher: American Society of Civil Engineers
Abstract: Wire arc additively manufactured (WAAM) steels cannot be adopted into civil structures until knowledge of their material behaviors is expanded. American Welding Society (AWS) ER70S-6 is a common welding wire feedstock ...
Determination of Wave Angle in Shallow Water
Publisher: American Society of Civil Engineers
Abstract: Information from a bidirectional electromagnetic current meter and surface‐piercing, continuous resistance wave staff is shown to provide good estimates of the angle of wave approach within the surf zone. Spectra of surface ...
Development of a Fatigue Design Load for High-Mast Lighting Towers
Publisher: American Society of Civil Engineers
Abstract: Fatigue cracking has caused a number of high-mast lighting tower (HMLT) failures throughout the United States. Both buffeting and vortex shedding have been shown to contribute to the failures observed. To increase HMLT ...
Diagnostic Load Testing for Improved Accuracy of Bridge Load Rating
Publisher: ASCE
Abstract: Bridge load rating provides a standardized procedure to determine the safe load-carrying capacity of a bridge, thereby allowing engineers to establish posting and permitting requirements. The structural condition of ...
Correlating Surface Hardness to Shear Strength of Driven Rivets and Distribution of In Situ Rivet Hardness
Publisher: ASCE
Abstract: Measuring surface hardness and correlating it to shear strength is a nondestructive test method that can be used when a more accurate estimate of rivet strength is necessary. The objectives of this research were to ...
Manual Estimation of Elastic Lateral Torsional Buckling Resistance of I-Section Members with Cross-Section Transitions
Publisher: ASCE
Abstract: This paper presents the evaluation of three methods for manually estimating the elastic lateral-torsional buckling (LTB) resistance of general doubly and singly symmetric I-section members having any combination of transitions ...
Variable Flow Resistance With Adjustable Multihole Orifice Plates in Series
Publisher: The American Society of Mechanical Engineers (ASME)
Estimating Boat-Wake-Induced Levee Erosion using Sediment Suspension Measurements
Publisher: American Society of Civil Engineers
Abstract: The subaqueous portion of a levee bank in the Sacramento–San Joaquin River Delta of central California was instrumented to quantify the impact of boat-generated waves. Typical erosion rates associated with recreational ...
Large-Scale Flexure Fracture Experiments on High-Toughness Steel
Publisher: American Society of Civil Engineers
Abstract: Modern advances in steel production have resulted in materials with increased fracture resistance. Material characterization studies have quantified fracture behavior, while large-scale experimental tests have demonstrated ...