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RISSteady-State Chloride Diffusion Coefficient and Chloride Migration Coefficient of Cracks in Concrete
Publisher: American Society of Civil Engineers
Abstract: Prediction of chloride ingress is very important for the durability of reinforced concrete structures in chloride-laden environments, especially for concrete with cracks. It is expected that the chloride diffusion coefficient ...
Macromodeling Approach and Robustness Enhancement Strategies for Steel Frame Buildings with Composite Slabs against Column Loss
Publisher: ASCE
Abstract: This study presents a numerical assessment of the behavior of seismically designed steel frame buildings against ground floor column loss. In the designed prototype buildings, moment frames with beam-to-column rigid ...
Research on Differences between Cylindrical and E-Shaped Dampers for the Bidirectional Seismic Control
Publisher: ASCE
Abstract: The similarities and differences between the cylindrical and E-shaped damping devices used in bridge engineering are discussed, considering technical factors such as the configuration pattern, mechanical model, hysteresis ...
Full-Scale Test of a Steel–Concrete Composite Floor System with Moment-Resisting Connections under a Middle-Edge Column Removal Scenario
Publisher: ASCE
Abstract: To investigate the load-resisting mechanisms and responses of typical steel–concrete composite frames under the progressive collapse scenario, a 2×1 bay full-scale steel–concrete composite floor system was quasi-statically ...
Comparison of Three Different Methods for Measuring Chloride Transport in Predamaged Concretes
Publisher: ASCE
Abstract: Chloride transport is an important subject for the durability of steel-reinforced concrete structures in chloride-laden environments. There are several different types of tests for determination of the chloride-transport ...
Evaluation Indices and Design Method to Determine the Rolling Density of Dam Shell Sandy Gravel Material
Publisher: ASCE
Abstract: Sandy gravel dams with clay core walls are a widely used dam type, and the rolling density of sandy gravel material is evaluated by the relative density Dr. Consequently, designing the optimal Dr value is related both to ...
Code Formulas for Ship-Impact Design of Bridges
Publisher: American Society of Civil Engineers
Abstract: Four finite-element models of ships with deadweight tonnage varying from 3,000 to 50,000 t are developed for numerical collision simulation. The time histories of ship collisions against rigid walls are obtained using the ...
Comparisons of Ship Collision Design Formula for Bridges Based on FEM Simulations
Publisher: American Society of Civil Engineers
Abstract: A Review is made at first of the design formula for ship collisions. The FEM simulations are employed to compute the time history of ship collision force, and the results of ship collision forces from code design formula ...
Joint Planning of Intersection Trajectories and OD Routes under the Competition of CAV Firms
Publisher: ASCE
Abstract: Robotaxis have provided services to the public in some cities by different operators. There would exist connected and autonomous vehicles (CAVs) belonging to multiple firms on urban roads in the future. Each firm takes ...
Modified Microplane Model for Reinforced Concrete under Static and Dynamic Loadings
Publisher: American Society of Civil Engineers
Abstract: A smeared dynamic constitutive model is proposed for reinforced concrete based on microplane Model M4, in which the modified Menegotto-Pinto model for steel was adopted and the strain rate effect was taken into account by ...