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RISImpact of Key System Parameters on the In-Plane Dynamic Response of a Cable Network
Publisher: American Society of Civil Engineers
Abstract: Using crossties to connect a cable which has experienced or is prone to violent motions with its neighbors and form a cable network has been successfully applied to a number of cable-stayed bridges to control stay cable ...
Impact of Damper Stiffness and Damper Support Stiffness on the Performance of a Negative Stiffness Damper in Mitigating Cable Vibrations
Publisher: ASCE
Abstract: Due to the superior performance of negative stiffness damper (NSD), its application to the vibration control of bridge stay cables attracts much research attention in recent years. In the current study, an experimental ...
Evaluation of Pedestrian-Induced In-Service Building Floor Performance Based on Short-Term Monitoring
Publisher: ASCE
Abstract: Pedestrian-induced vibration (PIV) is often the most persistent issue affecting the floor serviceability of buildings. These vibrations may cause discomfort to occupants and may also adversely affect the performance of ...
Impact of Damper Stiffness and Damper Support Stiffness on the Efficiency of a Linear Viscous Damper in Controlling Stay Cable Vibrations
Publisher: American Society of Civil Engineers
Abstract: Accurate prediction of optimum damper size and its corresponding maximum attainable modal damping ratio is essential for the design of a linear viscous damper to control cable vibrations on cable-stayed bridges. The stiffness ...
Generalized Approach for the Formulation of Analytical Model of Hybrid Cable Networks
Publisher: American Society of Civil Engineers
Abstract: Combining the use of external dampers and crossties as a hybrid system to control unfavorable bridge stay-cable vibrations has been successfully applied on a number of cable-stayed bridges, although knowledge about the ...
Efficiency of an External Damper in Two-Cable Hybrid Systems
Publisher: American Society of Civil Engineers
Abstract: External dampers are commonly used on site to control excessive cable vibrations on cable-stayed bridges. The optimum damper size and the corresponding maximum attainable damping ratio of a damped cable can be predicted ...
Stability Analysis of Slopes Subjected to Transient Unsaturated Seepage Effect Considering Hydromechanical Coupling Effect
Publisher: ASCE
Abstract: Analyzing the stability of slopes during rainfall can be critical in preventing landslide disasters. In this study, on the basis of the limit analysis method, a novel method for computing the safety factor of slopes ...
Unified Variational Solution for Seismic and Static Active Earth Pressures on Rigid and Flexible Walls in the Limit State
Publisher: American Society of Civil Engineers
Abstract: Abstract Flexible retaining walls, such as sheet pile walls and secant pile walls with small
diameters, can take on significant lateral deformation to possibly reach the active
limit state if subjected to surcharge or ...
A Novel Energy-Based Method to Evaluate Layered Rock Brittleness
Publisher: American Society of Civil Engineers
Abstract: Rock brittleness plays an important role in rock engineering, thus it is practically valuable to assess rock brittleness accurately. Many brittleness indices have been developed, but few methods are developed for layered ...