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RISDynamic Model Testing of Low-Gravity-Center Cable-Stayed Bridges with Different Girder-to-Tower Connections
Publisher: ASCE
Abstract: To investigate the seismic response characteristics of low-gravity-center cable-stayed bridges with twin towers, a simplified mechanics model was established based on the transmission path of the horizontal seismic inertial ...
Influence of Duration at the Entrance on Distribution of Blast Loadings in Corrugated Steel–Lined Tunnels
Publisher: American Society of Civil Engineers
Abstract: Corrugated steel structures have been found to have outstanding blast resistance and enable rapid attenuation of blast waves in tunnels. The propagation of blast waves is influenced by the structural parameters and duration ...
Joint Boost to Super El Niño from the Indian and Atlantic Oceans
Publisher: American Meteorological Society
Experimental Study of a Novel Twin-Nozzle Configuration for Reacting Jet in Hot Crossflow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Advanced gas turbine adopts axially staged combustion to achieve the goal of increasing turbine inlet temperature while limiting NOx emissions. The premixing effect of secondary fuel injection has a significant influence ...
The Role of Limestone Powder in the Corrosion Products of Cement Mortars under Magnesium Sulfate Solution
Publisher: ASCE
Abstract: To clarify the role of limestone powder (LP) in cement mortars under a magnesium sulfate solution at room temperature, the hydration products, microstructure, and mechanical properties of cement-based materials with different ...
Novel Backwashing Maintenance Method for Permeable Concrete Pavement: Two-Year Field Study
Publisher: ASCE
Abstract: In this study, a novel backwashing maintenance method for permeable concrete pavements (PCP) was developed, and its performance was evaluated via a 2-year field comparative study at two PCP sites. Results showed that regular ...
Shear Strength of Dry Joints in Precast UHPC Segmental Bridges: Experimental and Theoretical Research
Publisher: American Society of Civil Engineers
Abstract: Precast segmental bridges made of ultrahigh-performance concrete (UHPC) have gained wide research attention and application. The shear transfer of dry joints between UHPC segments is one of the major concerns due to the ...
Lateral Behavior of Precast Segmental UHPC Bridge Columns Based on the Equivalent Plastic-Hinge Model
Publisher: American Society of Civil Engineers
Abstract: The concept of an equivalent plastic-hinge model was used to evaluate the lateral behavior of precast segmental ultra-high-performance concrete (UHPC) bridge columns. The columns consist of precast UHPC segments that were ...
Experimental Performance of a Full-Scale Spatial RC Frame with Buckling-Restrained Braces Subjected to Bidirectional Loading
Publisher: ASCE
Abstract: To investigate the performance of a RC frame with buckling-restrained braces (RCF-BRB) subjected to bidirectional earthquakes, a full-scale two-story RCF-BRB was tested using substructural pseudodynamic, quasi-static, and ...
Dynamic Characterization and Design of Scotch Yoke Inerter with Adjustable Inertance for Seismic Isolation
Publisher: American Society of Civil Engineers
Abstract: The scotch yoke inerter (SYI) is a new geometrically nonlinear vibration isolator with a smaller maximum transmissibility than linear inerter systems. The influence of internal friction and the damping effect on the response ...