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Live-Load Distribution Factors for Composite Bridges with Precast Inverted T-Beams
Publisher: American Society of Civil Engineers
Abstract: Short- to medium-span composite bridges constructed with adjacent precast inverted T-beams and cast-in-place topping are intended to provide a higher degree of resistance against reflective cracking and time-dependent ...
Live Load Tests of the San Antonio “Y”
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of static live load tests performed on several spans of the San Antonio “Y” Project, Phase IIC, prior to its opening to traffic. The San Antonio “Y” Project is an urban viaduct comprising ...
Shear Strength of a Lightweight Self-Consolidating Concrete Bridge Girder
Publisher: American Society of Civil Engineers
Abstract: Lightweight self-consolidating concrete (LWSCC) is advantageous in the bridge industry because members made with this material have a significantly lower self-weight, and in its fresh state, LWSCC has a low viscosity which ...
Strength and Performance of Fiber-Reinforced Concrete Composite Slabs
Publisher: American Society of Civil Engineers
Abstract: The research presented in this paper was performed to evaluate and compare the influence of four types of secondary reinforcement for temperature and shrinkage on the strength and behavior of composite slabs with a variety ...
Strength and Behavior of Unconfined Noncontact Hooked Bar Lap Splices
Publisher: American Society of Civil Engineers
Abstract: Hooked bars are commonly used in lap splices to connect precast concrete elements to reduce required splice lengths; however, practically, no tests of large hooked bars in such elements have been conducted. To address this ...
State-of-Practice and Design Examples for the Use of Noncontact Hooked Bar Lap Splices in Accelerated Bridge Construction
Publisher: American Society of Civil Engineers
Abstract: Hooked bar lap splices are used in accelerated bridge construction (ABC) operations even though this detail is not addressed in the AASHTO LRFD bridge design specifications. To address this knowledge gap, this paper ...
Inspecting the Lightweight Precast Concrete Panels in the Woodrow Wilson Bridge Deck of 1982
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of a detailed inspection of the deck panels of the Woodrow Wilson Bridge installed in 1982. The original cast-in-place concrete deck, constructed in 1962, was replaced with full-depth ...
Pedestrian Bridge Collapse and Failure Analysis in Giles County, Virginia
Publisher: American Society of Civil Engineers
Abstract: A pedestrian suspension bridge over Walker Creek near Route 749 in Giles County, Virginia, partially collapsed in October of 2008, causing 10 people to fall into the creek below. The failure occurred when one of the anchors ...
Modeling Early-Age Bridge Restraint Moments: Creep, Shrinkage, and Temperature Effects
Publisher: American Society of Civil Engineers
Abstract: An increasing number of bridges are being designed with continuous spans instead of simple spans. By reducing the number of joints in a bridge, the traveling public receives a better riding surface and corrosion caused by ...
Experimental and Analytical Investigation of a 64-Year-Old Prestressed Beam Retrofitted with External Posttensioning
Publisher: ASCE
Abstract: This paper presents an experimental investigation of a 64-year-old, full-scale, simply supported, prestressed bridge girder retrofitted with external posttensioning. The specific retrofit can be used to increase the flexural ...