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Investigation of Manhole Cover Displacement during Rapid Filling of Stormwater Systems
Publisher: ASCE
Abstract: Stormwater systems are subject to operational issues while undergoing rapid filling during intense rain events. In various instances, air–water interactions take place, and it is possible that the air located in the headspace ...
Evaluation and Improvement of Geopositioning Accuracy of IKONOS Stereo Imagery
Publisher: American Society of Civil Engineers
Abstract: IKONOS imagery has been used in many commercial, government, and research applications ranging from environment monitoring, to coastal change detection, and to national security. The high costs of IKONOS high end products ...
Flexural Performance of Composite Prestressed UHPC-NC T-Girders
Publisher: ASCE
Abstract: Ultrahigh-performance concrete (UHPC) is increasingly recognized as being a better material in girders, and a composite prestressed UHPC-normal concrete (NC) girder is a better choice to be used for strengthening existing ...
Horizontal Dynamic Stiffness and Interaction Factors of Inclined Piles
Publisher: American Society of Civil Engineers
Abstract: A Timoshenko beam-on-Pasternak foundation (T-P) model was developed to estimate the horizontal dynamic impedance and interaction factors for inclined piles subjected to horizontal harmonic load. The inclined pile with a ...
Whole Risk Assessment System and Management System of Urban Road Tunnel Operation Stage
Publisher: ASCE
Abstract: The index system and evaluation method of safety assessment in the operation stage are established to realize the safety risk assessment and management in the operation stage of an urban road tunnel. The index scores are ...