Abstract: This paper investigates retrofitting precast, nonprestressed, channel beams (PCB) used in short-span bridges to improve beam shear strength and, consequently, beam ductility. Three retrofit approaches were investigated: ...

Abstract: A large number of cracks were observed in a bridge seal structure during an underwater inspection. The seal is 13.2  m long, 5.9  m wide, and 6.8  m deep and thus is considered mass concrete. The concrete mixture contains ...

Abstract: Utilization of fly ash in concrete reduces the use of virgin materials and offers benefits of reduced landfill materials and

Abstract: A nationwide survey revealed 14 states having bridges comprised of precast, nonprestressed, concrete channel beams. Currently, the Arkansas State Highway and Transportation Department (AHTD) bridge inventory includes ...

Abstract: Advancements in fiber-reinforced polymers (FRPs) have made this an attractive material for rehabilitation and strengthening of bridge superstructures. FRP has primarily been used with the intention of increasing the bending ...

Abstract: This paper presents findings of a research study conducted by the writers for the Arkansas State Highway and Transportation Department. The study investigated precast nonprestressed concrete channel beam sections cast ...

Abstract: This study investigates full-depth deck cracks observed on a skewed bridge, which was constructed using self-propelled modular transporters (SPMTs). To investigate the causes, three main factors associated with structural ...

Abstract: The current state of practice in traffic data quality control features rule-based data checking and validation processes, where the rules are subjective and insensitive to variation inherited with traffic data. In this ...

Abstract: Current strategies for prioritizing bridge preventive maintenance, rehabilitation, or replacement (MRR) include predicting future conditions by delineating depreciation rates from existing conditions and preventive MRR ...

Abstract: Temporal discounting is a cognitive behavior with important implications in preparing for high-impact and low-probability events. Evaluation of live-load effects has a great influence on the design, maintenance, and ...