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RISPollution of Gravel Spawning Grounds by Deposition of Suspended Sediment
Publisher: American Society of Civil Engineers
Abstract: Observations have shown that accumulation of fine sediment in the pores of spawning open-work gravel have a detrimental effect on stream biota. The rate of deposition is intimately linked to the concentration of suspended ...
A Perturbation Solution for Bingham-Plastic Mudflows
Publisher: American Society of Civil Engineers
Abstract: An analytical solution is proposed for laminar mudflows and debris flows that can be modeled by a Bingham-plastic law. Two-dimensional, unsteady, nonuniform, Bingham flows released from a point source or a source of finite ...
Performance of an Embankment Foundation with Sand over Clay: Experimental and Numerical Analyses
Publisher: American Society of Civil Engineers
A Detection Method for Bridge Cables Based on Intelligent Image Recognition and Magnetic-Memory Technology
Publisher: ASCE
Abstract: In recent years, more and more disasters caused by the fracture of bridge cables have been reported. Brittle fracture of cables is mainly caused by corrosion fatigue, and thus it is crucial to find cable defects early. The ...
The Roles of Convection over the Western Maritime Continent and the Philippine Sea in Interannual Variability of Summer Rainfall over Southwest China
Publisher: American Meteorological Society
Abstract: AbstractFloods and droughts hit southwest China (SWC) frequently, especially over the last decade. In this study, the dominant modes of summer rainfall anomalies over SWC on the interannual time scale and the possible ...
Ion Nitriding CoCrMo Alloy for Orthopedic Applications Studied by X-Ray Photoelectron Spectroscopy Analysis and Tribocorrosion Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, the composition of ion nitriding layer of forged CoCrMo alloy was analyzed by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The tribocorrosion was investigated in 25% ...
Optimization of Organic Nitrogen Compounds Removal in Pymetrozine Production Wastewater Using Complex Extraction with Response-Surface Methodology
Publisher: ASCE
Abstract: Production wastewater of pymetrozine leads to producing a lot of highly concentrated saline organic wastewater so that the related environmental aspects must be studied. In this study, a response surface methodology (RSM) ...
Experimental and Finite-Element Studies of Buried Pipes Connected by a Bellow Joint under Cyclic Shear Loading
Publisher: ASCE
Abstract: In an accompanying paper, pipes that were connected by a bellow joint were examined under cyclic axial loading. The results show that the bellow connection can significantly reduce the axial force and increase the deformation ...
Coagulation Properties of Biodegradable Chitosan-CTA Coagulants in Turbidity Removal
Publisher: American Society of Civil Engineers
Abstract: In this present study, strongly cationic coagulants were prepared by modifying chitosan with 3-chloro-2-hydroxypropyl trimethyl ammonium (CTA). The coagulation properties of this cationic chitosan (chitosan-CTA) were ...