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Investigation of Cadmium Desorption from Different-Sized Sediments
Publisher: American Society of Civil Engineers
Abstract: Using the adsorptive reaction kinetics equation and the mass conservation equation, formulas for calculating the particulate heavy metal concentration (or the residual adsorption content of unit weight of sediment) and the ...
Interpretation of Real-Time Hybrid Simulation as Neutral and Retarded Delay Systems for Its Stability Analysis
Publisher: ASCE
Abstract: As an economical and effective testing method, real-time hybrid simulation (RTHS) can be understood as a dynamic system with substructure feedback, where the time delay in feedback caused by servo-hydraulics may destabilize ...
Blast Testing of Aluminum Foam–Protected Reinforced Concrete Slabs
Publisher: American Society of Civil Engineers
Abstract: Aluminum foam is a newly developed mobile and lightweight material with excellent energy absorption capacities. Applying aluminum foam as a sacrificial protection layer on the bearing faces of protected structures can ...
Axial-Impact Resistance of CFRP-Confined Ultrahigh-Performance Concrete
Publisher: ASCE
Abstract: This study investigated the axial-impact resistance of unconfined and CFRP-confined UHPC. External confinement was provided by one to three plies of CFRP wraps with confinement ratios ranging from 0.126 to 0.378. A series ...
System for Identifying Ships Using High-Sulfur-Content Fuel Oil in Port Waters
Publisher: ASCE
Abstract: This study develops a system named Wuhan University of Technology Intelligent Tracer (WUT-iTracer) for identifying ships using high-fuel-sulfur-content (FSC) fuel oil in port waters. The system integrates a land-based ...
Axial-Impact Resistance of Geopolymeric Recycled Aggregate Concrete Confined with Glass FRP Tubes
Publisher: ASCE
Abstract: Using geopolymeric recycled aggregate concrete (GRAC) rather than conventional concrete to fill glass fiber–reinforced polymer (GFRP) tubes to produce high-performance structural members is a promising green construction ...
Compressive Strength of Double H Concrete Block Masonry Prisms
Publisher: American Society of Civil Engineers
Abstract: This study investigated the compressive strength of double H concrete block masonry prisms. A total of 42 (i.e., nine ungrouted, 15 half-grouted, and 18 full-grouted) specimens were tested under uniaxial compression. The ...
Backwash-Spread Effects of Transportation Corridors on the Development of City Groups
Publisher: American Society of Civil Engineers
Abstract: Transportation corridors have backwash-spread effects to their surrounding areas on diverse resources, and this is the main factor in regions’ generation and expansion. This paper defines corridor field potential energy ...
Stability Analysis of Real-Time Hybrid Simulation for Time-Varying Actuator Delay Using the Lyapunov-Krasovskii Functional Approach
Publisher: American Society of Civil Engineers
Abstract: In a real-time hybrid simulation (RTHS), the actuator delay in experimental results might deviate from actual structural responses and even destabilize the real-time test. Although the assumption of a constant actuator ...
Assessment of Structural Robustness under Different Events according to Vulnerability
Publisher: American Society of Civil Engineers
Abstract: Structural robustness is investigated in this study according to its opposite property, i.e., structural vulnerability, which is calculated as the assembly of component vulnerability measured by the vulnerability coefficient. ...