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RISMultiscale Hierarchical Fiber Gradations in Concrete to Reduce Early-Age Shrinkage Cracking Potential
Publisher: ASCE
Abstract: Significant efforts have been made to improve concrete mix design for shrinkage reduction and crack control, including reduction of cement content and selection of cement type with less heat of hydration, maximizing aggregate ...
Early-Age Bond Behavior of Deformed Bars in Concrete Subjected to Bilateral Pressures
Publisher: ASCE
Abstract: In RC structures during construction, the bond behavior of deformed bars in concrete is governed by the age-related concrete strength, the local confining pressure, the bar diameter, and the concrete cover thickness. In ...
Vehicle Trajectory Reconstruction Incorporating Probe and Fixed Sensor Data
Publisher: ASCE
Abstract: Trajectory estimation is essential for obtaining a complete picture of traffic flow with limited and continuously detected traffic data, which are helpful in evaluating transportation performance and developing precise ...
Queue Length Estimation on Urban Signalized Intersection Combining Automatic Vehicle Identification and Vehicle Trajectory Data
Publisher: American Society of Civil Engineers
Abstract: Queue length is one of the indicators of the state of traffic and is often used to measure the operational state of signalized intersections. Many studies have proposed estimating queue length from vehicle trajectory data ...
Design and Implementation of Self-Consolidating Concrete for Connecting Precast Concrete Deck Panels to Bridge Girders
Publisher: American Society of Civil Engineers
Behavior of FRP-Steel Confined Concrete Tubular Columns Made of Expansive Self-Consolidating Concrete under Axial Compression
Publisher: American Society of Civil Engineers
Abstract: A total of 32 fiber-reinforced polymer (FRP) confined concrete columns are manufactured and tested under axial compression including 8 FRP-confined solid columns (FCSCs), 4 FRP-confined concrete-filled steel tube columns ...
Fast Mapping of Obstacles Into Configuration Space
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an approach to fast mapping of obstacles from a workspace into a configuration space, based on defining some specific points in the workspace as fundamental obstacles. In ...
Fatigue Evaluation of Transverse U-Bar Joint Details for Accelerated Bridge Construction
Publisher: American Society of Civil Engineers
Abstract: When precast full-depth deck panels and/or decked bulb-Ts (DBTs) are used for accelerated bridge construction, transverse joints exist. In this study, continuous transverse U-bar joint details, which can provide negative ...
A Dynamic Equilibrium–Based Damage Identification Method Free of Structural Baseline Parameters: Experimental Validation in a Two-Dimensional Plane Structure
Publisher: American Society of Civil Engineers
Abstract: A damage identification method named the pseudoexcitation (PE) approach was established previously, the principle of which resides on local examination of perturbation of structural dynamic equilibrium conditions. While ...
Effect of Fibers and Expansive Agent on Shrinkage of Self-Consolidating Concrete under Two Curing Schemes
Publisher: American Society of Civil Engineers
Abstract: Adding the proper amount of expansive agent (EA) to concrete is an effective way to control shrinkage cracking. Fiber can be treated as a secondary reinforcement for controlling shrinkage and improving the crack resistance ...