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Autonomous Navigation for Cellular-Connected UAV in Highly Dynamic Environments: A Deep Reinforcement Learning Approach
Publisher: American Society of Civil Engineers
Abstract: This study investigated the navigation problem for cellular-connected unmanned aerial vehicles (UAVs), particularly in highly dynamic urban environments. To address this problem, the UAV is required not only to evade ...
Time-Dependent Buckling Analysis of Concrete-Filled Steel Tubular Arch with Interval Viscoelastic Effects
Publisher: American Society of Civil Engineers
Abstract: In this paper, a finite-element-based computational method is proposed for time-dependent structural stability analysis of a concrete-filled steel tubular (CFST) arch with uncertain parameters. Specifically, the targeted ...
Effects of Nonstructural Wall in Progressive Failure of Coastal Residential Buildings Subjected to Strong Winds
Publisher: ASCE
Abstract: With many natural hazards impacting coastal communities, the resilience of low-rise residential wood buildings (LRWBs) in the community has been critical. To better understand structural performance under extreme weather ...
Global Buckling Behavior of Welded Thick H-Shaped Axial Compression Columns of Q460GJ Steel
Publisher: ASCE
Abstract: This paper presents an experimental and numerical study on the global buckling behavior of welded thick H-section columns of Q460GJ steel under axial load. The thickness of the flange and web is 42 and 25 mm, respectively, ...
Interactions of an Energy Pile with Several Traditional Piles in a Row
Publisher: ASCE
Abstract: A full-scale test was carried out to investigate the interactions between an energy pile and four traditional piles connected to the same overlying reinforced beam. A series of sensors was installed in the energy pile, ...
Dynamic Segmentation and Incremental Editing of Boundary Representations in a Collaborative Design Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Currently boundary representations (b-reps) are a convenient means to exchange solid models between applications (e.g., design, manufacturing, inspection) in a distributed/collaborative design ...
Response Bounds of Elastic Structures in the Presence of Interval Uncertainties
Publisher: American Society of Civil Engineers
Abstract: A mathematical-programming (MP)-based approach is proposed to directly determine the two extreme [(1) minimum, and (2) maximum] bounds of some static response quantity for elastic structures subject to the simultaneous ...
Algorithm of Crane Selection for Heavy Lifts
Publisher: American Society of Civil Engineers
Abstract: Lifting capacity charts are tabulated and provided to operators and practitioners by mobile crane manufacturers. These charts are structured based on predetermined crane configurations, which consist of boom/jib length, ...
Statics-Based Simulation Approach for Two-Crane Lift
Publisher: American Society of Civil Engineers
Abstract: Cooperative cranes are widely used in modern construction projects and can reduce the cost and time of heavy lift. The safety of cooperative crane lift can be improved by using simulation method. This paper proposes a ...
Developing an Underground Utility Occupation Index for Efficient Urban Utilities Planning
Publisher: ASCE
Abstract: In almost all modern cities, various utility pipelines and cables often form a maze of underground utility network. Mismanagement of underground utility incidents could cause serious consequences including unavailability ...