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RISConstruction Automation and Robotics in Civil Engineering Education Programs
Publisher: American Society of Civil Engineers
Abstract: Applications of automation and robotics are cited as part of the solution to improve productivity, quality, working conditions, and skilled labor shortages in the construction industry. One potential area of importance is ...
Singularity Loci of a Special Class of Spherical 3-DOF Parallel Mechanisms With Prismatic Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the singularity loci of a special class of spherical 3-DOF parallel manipulators with prismatic actuators are studied. Concise analytical expressions describing the singularity loci ...
Kinematic Analysis and Design of Kinematically Redundant Parallel Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the singularity analysis and the design of three new types of kinematically redundant parallel mechanisms, i.e., the four-degree-of-freedom planar and spherical parallel ...
Study on the Seepage Field and Underground Erosion of a Loess Pipeline Foundation
Publisher: American Society of Civil Engineers
Abstract: Because loess underground erosion is one of the major engineering geological problems in loess areas of China, foundation loess of the Zichang-Yongping section of West-East Gas Pipelines is taken as the research object. ...
Evaluation of Bus Rapid Transit Implementation in China: Current Performance and Progress
Publisher: American Society of Civil Engineers
Abstract: This paper evaluates the physical characteristics, technical performance, and operational issues associated with bus rapid transit (BRT) systems implemented in 13 Chinese cities. BRT systems in China have shown medium ...
Parking Permit Management of Morning Commuting Considering Carpooling with Parking Restraint
Publisher: ASCE
Abstract: This study investigates the efficiency of parking permits in managing morning commuting considering carpooling with parking restraint. First, the morning commuting problem was revisited with and without parking restraint ...
High-Precision Forward Analysis and Field Test of Boulder Detection on Zero-Offset Elastic Wave Method in Shield Tunnel
Publisher: ASCE
Abstract: Efficient and accurate boulder detection technology is essential for shield tunneling safely under complex floodplain geological conditions. The traditional seismic reflection method is not suitable for complex geological ...
Three-Step Mathematical Model for Optimizing Rebar Cutting-Stock with Practical Application
Publisher: ASCE
Abstract: Theory of operations research is applied in this paper. The minimum total cost of steel reinforcement work was used as the objective function, and a three-step mathematical model to optimize the rebar cutting-stock was ...
Effect of Reflux Ratio on Performance of Pyrite-Based Mixotrophic Sequencing Batch Biofilm Reactor Treating Real Domestic Wastewater
Publisher: American Society of Civil Engineers
Abstract: The influent of municipal wastewater treatment plants (WWTPs) in China is generally facing the problem of insufficient carbon sources. Pyrite-based autotrophic denitrification (PAD), which uses pyrite as an electron donor, ...
On the Surface Dimple Phenomena in Elliptical TEHL Contacts With Arbitrary Entrainment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Theoretical analysis and optical interferometry experiments are performed to investigate the dimple phenomena in thermal elastohydrodynamic lubrication (TEHL) of elliptical contacts under pure sliding ...