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Innovations for NDT of Concrete Structures
The proposed paper presents three recent innovations for sonic and ultrasonic Non-Destructive Testing (NDT) of concrete structures which greatly increase the utility and speed of many...

Bond Strength of Straight GFRP Rebars
An overview of a study on bond of straight Glass-fiber-reinforced-plastic (GFRP) rebars to concrete is presented. The 54 specimens to be tested include several variables, such as the mode...

Glass-Fiber Reinforcing Rod: Characterization and Application to Concrete Structures and Grouted Anchors
This paper presents the physical and mechanical characteristics of a new glass-fiber reinforcing rod which was developed to be used as a rebar for concrete structures or a tendon for grouted...

Tests of Full-Size Pultruded FRP Grating Reinforced Concrete Bridge Decks
Results of tests of full-size concrete bridge deck slabs reinforced with commercially produced pultruded fiber-reinforced plastic (FRP) gratings are presented. The slabs were designed...

Splice/Development Length Requirements for FRP Grids Used in the Structural Reinforcement of Concrete
The research presented in this paper program was directed towards determining development length and splice requirements for FRP grids used in the reinforcement of concrete structures....

Feasibility of FRP Molded Grating-Concrete Composites for One-Way Slab Systems
This paper describes the behavior of one-way concrete slabs reinforced with Fiberglass Reinforced Plastic (FRP) molded grating. FRP molded grating is commercially available and is mainly...

Hybrid (FRP+Steel) Reinforcement for Concrete Structures
The most popular method to prevent corrosion of steel rebars and prestressing tendons is epoxy coating. This paper presents an alternative approach consisting in the combination of a fiber-reinforced-plastic...

Investigation of the Behavior of Reinforced Plastic Columns with Concrete Core
This paper describes an experimental investigation into the behavior of reinforced plastic columns with tubular (hollow) sections. The columns were pultruded and had a cross-section which...

Behavior of Externally Confined Concrete Columns
This paper investigates the feasibility of strengthening of seismically deficient concrete columns with high-strength fiber composite straps. The concrete columns will be externally confined...

Fiber/Epoxy Composites Strengthen Bridge Columns
The California Department of Transportation is using high strength fiber/epoxy composites to strengthen existing reinforced concrete bridge columns. These advanced composite materials...

Behavior of Concrete-Graphite/Epoxy Sections in Composite Bridge Girders
The focus of this work is on the behavior of composite bridge girders constructed from carbon-fiber-reinforced-plastic sections and concrete slabs. The study examines four-point bending...

Sprayed-Zinc Galvanic Anodes for the Cathodic Protection of Reinforcing Steel in Concrete
Corrosion of reinforcing steel bars (rebars), due to penetration of chloride ions from seawater affects the substructure of many bridges in marine service. In a new, low cost control method,...

Evaluation of Partial Depth Spall Repair Materials and Procedures
In 1990, as a part of a Strategic Highway Research Program project (SHRP H-106, Innovative Materials Development and Testing), an investigation was initiated to evaluate the performance...

Embankment Dams
James L. Sherard Contributions
This volume is dedicated to the memory of Dr. James L. Sherard, who made many contributions to embankment dam engineering. Twenty-one of his papers related to this topic were selected...

The Crown and the Curtain Wall
Crowning the complex curtainwall of an 870 ft concrete tower with a 150 ft high crown of aluminum masts in concentric rings above the 60th floor required ingenuity and extraordinary cooperation...

Forced Vibration Testing of an Expanded Base Concrete Pile
Forced vibration testing of a full-scale cast-in-situ expanded base concrete pile supporting a structural mass was conducted as part of a test pile program for a paper mill expansion at...

A New Concrete Armor Unit for Breakwaters: The Beta Block
The aim of this paper, is to present a new artificial block for the protection of breakwaters. This armor unit, named BETA, has been designed and tested in the Coasts and Harbors Studies...

Stability of Accropode(R) and Comparison with Parallelepipedic Block
This paper describes the tests which were performed on physical models with irregular waves, to determine the hydraulic stability of the Accropode^(R)...

RCC at 10
Tens years after the first roller-compacted concrete (RCC) dam in the U.S.�the 169 ft high Willow Creek Dam in Oregon�was completed, the method has gained wide acceptance around the world...

Smart Structures
Detecting cracks in concrete before they become visible could help prevent structural collapse of buildings and other civil works, say professors at three schools of engineering. The University...

 

 

 

 

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