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RISExperimental and Numerical Study on Ground Shock in Loess under Ground Surface Explosions
Publisher: American Society of Civil Engineers
Abstract: To study the ground shock in loess soil subjected to ground surface explosion, field tests were conducted with the scaled distance of measuring points ranging from 0.328 to 1.73 m/kg1/3. Then, a refined numerical model was ...
Blast Response and Damage Mechanism of Prefabricated Segmental RC Bridge Piers
Publisher: ASCE
Abstract: Public transportation is vulnerable to terrorist attacks due to its accessibility, especially bridges in the highway and urban systems under blast loading. Prefabricated segmental reinforced concrete (PSRC) piers are one ...
Model Verification and Validation of a Cable-Stayed Bridge: Interval-Based Uncertainty Quantification of the Model Parameters
Publisher: ASCE
Abstract: In simulating engineering structures, the uncertainty quantification and propagation (UQ&P) of model parameters is of paramount importance for model verification and validation (V&V), the fidelity of which has been ...
Collapse Failure of Prestressed Concrete Continuous Rigid-Frame Bridge under Strong Earthquake Excitation: Testing and Simulation
Publisher: American Society of Civil Engineers
Abstract: In recent years, increasing attention has been paid to the collapse failures of long-span continuous rigid-frame bridges under strong earthquake excitations. This paper presents the results of a study in which a 1:15 scaled ...
Contribution of Corrugated Steel Plate on the Blast-Resistance Performance of Steel-Concrete Composite Panels
Publisher: ASCE
Abstract: Corrugated steel-concrete-steel (CSCS) panels have considerable potential for resisting blast loads. They replace flat steel plates of steel-concrete-steel (SCS) panels with corrugated steel plates on the protected side. ...
Experimental Study on Behavior and Failure Mode of PSRC Bridge Pier under Close-In Blast Loading
Publisher: ASCE
Abstract: Precast segmental reinforced concrete (PSRC) bridge piers have been widely used in bridges. Many experimental and numerical studies have been conducted to investigate the seismic and impact behavior of PSRC piers, but very ...
Experimental Study of Posttensioned Precast Segmental CFDST Columns under Cyclic Loading
Publisher: ASCE
Abstract: The conventional precast segmental concrete column may suffer severe damage in concrete segments and yield significant residual deformation when subjected to a strong earthquake. To achieve the goal of low-damage seismic ...
Wind–Temperature Characteristics of a Cable-Stayed Bridge along the Yellow Sea under Superstrong Typhoon Lekima
Publisher: American Society of Civil Engineers
Abstract: The superstrong typhoon Lekima landed twice along the Yellow Sea of China in 2019; its wind characteristics and impact on bridges’ buffeting performance are still unclear. Based on the measured wind and temperature data ...
Seismic Performance of Steel-Concrete Composite Rigid-Frame Bridge: Shake Table Test and Numerical Simulation
Publisher: ASCE
Abstract: The composite rigid-frame bridge presented in this study is a new type of structural solution that combines the steel–concrete composite box girder and the concrete-filled double-skin steel tube (CFDST) piers with rigid ...