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RISParametric Analysis of Three-dimensional Coupling Vibration for Hangzhou Bay Bridge
Publisher: American Society of Civil Engineers
Abstract: Coupling vehicle bridge vibration system were treated as two subsystems, one for the bridge and the other for the vehicle, the geometric and mechanical coupling relations between vehicle and bridge were introduced, the ...
Characteristics and Dynamic Impact of Overloaded Extra Heavy Trucks on Typical Highway Bridges
Publisher: American Society of Civil Engineers
Abstract: Overloaded trucks, including some extra heavy trucks, often cause serious threats to bridges, such as deterioration, fatigue damage, or even collapse. Compared with the standard traffic design loads in design specifications, ...
Site-Specific Extra-Heavy Truck Load Characteristics and Bridge Safety Assessment
Publisher: American Society of Civil Engineers
Abstract: Recently, the occurrence frequency of extra-heavy trucks (EHTs, gross weight ≥8 t) in China has significantly arisen due to the increasing demand of heavy freight transportation. Load characteristics, such as traveling ...
Reliability-Based Truck Weight Regulation of Small- to Medium-Span Bridges
Publisher: American Society of Civil Engineers
Abstract: Truck weight regulations maintain controls on the actual truck-load characteristics and can further affect the serviceability of constructed infrastructures. To investigate the truck weight regulations of small- to medium-span ...
Aerodynamic Interference Mechanism of Moving Vehicles on a Bridge Deck in Crosswind Environment
Publisher: American Society of Civil Engineers
Abstract: Super long-span bridges offer great convenience, but, because of their high decks, they also suffer from traffic safety problems related to strong winds. In this paper, large eddy simulation and dynamic mesh techniques for ...
Measurement and Comparative Study on Movements of Suspenders in Long-Span Suspension Bridges
Publisher: American Society of Civil Engineers
Abstract: Unanticipated damage has been observed in short suspenders near the midspan and/or ends of long-span suspension bridges. The observed damage poses a major threat to public safety if it results in fracture of suspenders ...
Establishment and Updating of Nonstationary Resistance Deterioration Model of Existing Concrete Bridge Component
Publisher: ASCE
Abstract: The focus of this research is the resistance deterioration behavior of existing concrete bridge components under the influences of environmental, material, and loading factors. To derive a more accurate resistance mathematical ...
Probability of Overturning for Vehicles Moving on a Bridge Deck in a Wind Environment Considering Stochastic Process Characteristics of Excitations
Publisher: American Society of Civil Engineers
Abstract: Based on a wind-vehicle-bridge analysis system and quasi-steady pneumatic force coefficient data obtained from wind tunnel tests, the problem of moving vehicles on a cable-stayed bridge deck overturning in a strong wind ...
Wear Evaluation on Slide Bearings in Expansion Joints Based on Cumulative Displacement for Long-Span Suspension Bridge under Monitored Traffic Flow
Publisher: ASCE
Abstract: Expansion joints of bridge superstructures generally suffer deterioration more severely than their main structures, and their actual service life is generally shorter than their design service life. This paper aims at ...
Load Effect, Safety Assessment, and Traffic Strategy of Multigirder Bridges under Lateral Eccentric Customized Transport Vehicle
Publisher: American Society of Civil Engineers
Abstract: Customized transport vehicles (CTVs) are usually required to travel along the bridge centerline at low speed. However, emergency situations might occur on the bridge during the passing of a CTV and result in partial closure ...