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RISDuctility Evaluation of Concrete-Encased Steel Bridge Piers Subjected to Lateral Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: An experimental and analytical study was conducted to investigate the ductility of concrete-encased steel piers, referred to as “steel-reinforced concrete (SRC) construction.” Based on the cyclic lateral loading tests of ...
Updating the Seismic Reliability of Existing RC Structures in a Marine Environment by Incorporating the Spatial Steel Corrosion Distribution: Application to Bridge Piers
Publisher: American Society of Civil Engineers
Abstract: Although several models are available for evaluating the structural performance of corroded reinforced concrete (RC) structures, seismic reliability assessments considering the effect of steel corrosion are currently scarce. ...
Updating the Seismic Reliability of Existing RC Structures in a Marine Environment by Incorporating the Spatial Steel Corrosion Distribution: Application to Bridge Piers
Publisher: American Society of Civil Engineers
Abstract: Although several models are available for evaluating the structural performance of corroded reinforced concrete (RC) structures, seismic reliability assessments considering the effect of steel corrosion are currently scarce. ...
Probabilistic Life-Cycle Connectivity Assessment of Transportation Networks Using Deep Learning
Publisher: ASCE
Abstract: Bridges and pavements are two major infrastructure components of a transportation network providing mobility of freight and commodities for economic vitality and access to a range of users as social benefits. However, the ...
Probabilistic Time–Variant Functionality-Based Analysis of Transportation Networks Incorporating Asphalt Pavements and Bridges under Multiple Hazards
Publisher: American Society of Civil Engineers
Abstract: Progressive and sudden deteriorations are the main reasons affecting the functionality of a transportation network. This paper presents a general probabilistic approach in which the ensembles of regression trees (ERT) are ...
Fundamental Machining Characteristics of Ultrasonic-Assisted Electrochemical Grinding of Ti–6Al–4V
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Ti–6Al–4V is a widely used alloy in the aerospace industry. In order to improve the grindability of Ti–6Al–4V, a hybrid material removal process is proposed in this study. This process is a combination of ultrasonic ...
Vibration Reduction of Large Unbalanced Rotor Supported by Externally Pressurized Gas Journal Bearings With Asymmetrically Arranged Gas Supply Holes (Verification of the Effectiveness of a Supply Gas Pressure Control System)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A rotor supported by gas bearings vibrates within the clearance. If the static imbalance of the rotor is large, even if the rotation speed is low, large amplitude vibration is generated by the centrifugal force. This is a ...
Improving the Working Surface Condition of Electroplated Cubic Boron Nitride Grinding Quill in Surface Grinding of Inconel 718 by the Assistance of Ultrasonic Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The working surface condition of abrasive tool is one of the important issues in grinding process. This article discusses the effects of the ultrasonic vibration on the working surface condition involving chips adhesion ...
Precast RC Blocks with Connections Composed of Steel Shear Keys and CFRP Sheets for the Superstructure of Temporary Bridges in a Postdisaster Situation
Publisher: ASCE
Abstract: Many bridges would be washed away due to giant tsunamis caused by the anticipated Nankai Trough earthquake. The accelerated bridge construction (ABC) concept should be applied to temporary bridge construction to save on-site ...
Precast RC Blocks with Detachable Connections for Emergency Temporary Bridges: Wave-Shaped Concrete Shear Keys Fabricated from 3D-Printed Molds and Steel Couplers
Publisher: American Society of Civil Engineers
Abstract: Abstract Although structural design and technology remain challenges in preventing bridges,
especially their superstructure, from being washed out by hydrodynamic forces due
to tsunamis, floods, and storm surges, bridges ...