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Sunday, April 19, 2020 | History

2 edition of Reinforcement for concrete bridge decks found in the catalog.

Reinforcement for concrete bridge decks

David B. Beal

Reinforcement for concrete bridge decks

  • 274 Want to read
  • 26 Currently reading

Published by Engineering Research and Development Bureau, New York State Department of Transportation, National Technical Information Service, distributor in Albany, N.Y, [Springfield, Va .
Written in English


Edition Notes

Other titlesLoad capacity of concrete bridge decks.
StatementDavid B. Beal.
SeriesResearch report / Engineering Research and Development Bureau, New York State Department of Transportation -- 105, Research report (New York (State). Engineering Research and Development Bureau) -- 105.
ContributionsNew York (State). Engineering Research and Development Bureau, United States. Federal Highway Administration
The Physical Object
Paginationv, 26 p. :
Number of Pages26
ID Numbers
Open LibraryOL22204621M

Concrete synthetic reinforcement. Enhance and improve concrete. Fibres can significantly enhance and improve Shotcrete and concrete. They can improve the ductility of sprayed concrete linings, increase the fire resistance of the final lining concrete in tunnel construction, reduce cracking in roads and bridge decks or floor screeds, plus they. This paper describes the behavior of concrete bridge decks reinforced with this HP steel. Three full-scale bridge decks with a span-depth ratio of were tested. The first and second decks were constructed with the same reinforcement ratio using HP and Grade 60 steel, respectively. Rev. 3/01/ Concrete Structures Other Than Bridge Decks Sheet 2 of 15 Have you computed the volume of concrete (see Art. ) and mass (weight) of reinforcement bars (see Art. ) for agreement with the quantity shown in the bill of materials? This will satisfy part of your. Manual for Design and Detailing of Reinforced Concrete to the September Code of Practice for Structural Use of Concrete Some Highlighted Aspects in Basis of Design Ultimate and Serviceability Limit states The ultimate and serviceability limit states used in the Code carry the normal meaning as in other codes such as BS


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Reinforcement for concrete bridge decks by David B. Beal Download PDF EPUB FB2

Get this from a library. Reinforcement for concrete bridge decks. [David B Beal; New York (State). Engineering Research and Development Bureau.; United States.

Federal Highway Administration.] -- Laboratory tests of reduced-scale bridge decks and field tests of full-scale decks were performed to demonstrate the strength and serviceability of isotropic reinforcement. CONCLUSIONS ABOUT EFFECTIVENESS OF REINFORCEMENT MATERIALS IN ENHANCING BRIDGE DECK PERFORMANCE Epoxy-coated reinforcement continues to be the most ef- fective reinforcement used to reduce the potential for dete- rioration.

This paper describes the instrumentation and data analysis of a reinforced concrete bridge deck constructed on 3-span continuous steel girders in Evansville, West Virginia. 33 CAUSES OF CRACKING IN CONCRETE BRIDGE DECKS Inthe Portland Cement Association began a study of concrete bridge deck durability (Durability of Concrete Bridge Decks ).

The study included a survey of 1, bridges selected at random in 8 states, plus a detailed sur. The inventor of the reinforcement-free bridge deck concept described in this report sponsored preparation of the report and provided reimbursement to the authors to assist in recovery of their costs and expenses related to travel to meetings; however, none of the authors received an honorarium.

Design and construction of a reinforcement free concrete bridge deck on precast bulb tee girders Article (PDF Available) January with 1, Reads How we measure 'reads'. STRUCTURAL DESIGN GUIDELINES FOR CONCRETE BRIDGE DECKS REINFORCED WITH CORROSION-RESISTANT REINFORCING BARS Abraham Lama Salomon Graduate Research Assistant Cristopher D.

Moen, Ph.D., P.E. Associate Professor The Charles E. Via, Jr. Department of Civil and Environmental Engineering Virginia Polytechnic and State University VCTIR Project Manager.

Section BRIDGE REHABILITATION — CONCRETE Description. This work consists of removing concrete and patching or resurfacing with concrete patching, or overlay mixtures and removing, replacing, and retrofitting expansion joints and structural concrete portions of.

Get this from a library. Non-metallic reinforcement of concrete bridge decks. [Parviz Soroushian; Siavosh Ravanbakhsh; Lawrence T Drzal; Michigan State University. College of Engineering.; Michigan. Department of Transportation.

Construction and Technology Division.]. The type of reinforced or prestressed concrete bridge deck depends mainly on the functional requirements, the structural form, and the main span length of the construction. Precast or cast in situ reinforced concrete (r.c.) bridge decks can be practically applied for all structural types, like arch, cable-stayed, extradosed, and even suspension.

Title: Fatigue Design Considerations for Reinforcement in Concrete Bridge Decks* Author(s): Neil M. Hawkins Publication: Journal Proceedings Volume: 73 Issue: 2 Appears on pages(s): Keywords: bendhq (reinforcing steels);bridge decks;bridges (structures);concrete finishes (hardened concrete);corrsion;crackinq (fracturing);cyclic loads;epoxy resins; exposure;fatigue Cited by: 3.

CONCRETE HIGHWAY BRIDGE DECK CONSTRUCTION R-5 Fig Surface sealing promoted by poor drainage of design, materials, and construction practices, as well as environmental factors, is the important first step in achieving smooth and durable decks.

Chapter 2 -- Design considerations General The main purpose of this chapter is to emphasizeFile Size: 2MB. edge. (The bridge deck is the roadway portion of a bridge, including shoulders.) Most bridge floor slabs are constructed as reinforced concrete slabs, but timber decks are occasionally used in.

Ultra-high performance concrete (UHPC) has been used to develop a novel composite connection detail for joining precast concrete bridge decks supporting superstructure elements.

The results of the research effort and recommendations for the use of this connection detail are provided herein. Reinforcement Alternatives for Concrete Bridge Decks 7.

Author(s): Chris Hill, Choo Ching Chiaw, and Issam Harik 8. Performing Organization Report No. KTC/SPRF Work Unit No. (TRAIS) Contract or Grant No. KYSPR 9. Performing Organization Name and Address Kentucky Transportation Center College of EngineeringCited by: 6. The GRIDFORM™ panel is pre-engineered and detailed to enable rapid attachment to the bridge girders and subsequent concrete placement and forming.

The anticipated lifespan of a GRIDFORM™ bridge deck is several times that of steel reinforced concrete bridge decks since FRP provides a corrosion-free reinforcement system for the concrete.

This paper presents a discussion and the experimental proof-of-concept results of a novel ultrasonic testing (UT) method to identify the onset of delamination in reinforced concrete bridge decks.

The novel UT method aims to provide a system that can be used to monitor and diagnose problems with the steel reinforcement, the steel reinforcement. Reinforced concrete is everywhere. But unlike plain concrete, which can last for centuries, reinforced concrete can deteriorate in decades as the reinforcing bars succumb to : Guy Keulemans.

bottom of the bridge deck in the primary direction. Shear Effects. By using the strip method, an 8-in. deck is designed for flexure, and shear effects can be neglected. Figure. A illustrates the cross section of a typical beam-slab bridge with four beams spaced at 10 ft, a minimum-depth 8-in.

concrete deck, and concrete Size: 1MB. close to segmental concrete bridges have been built or are under construction, with spans up to m ( ft). Late in the s, cable-stayed construction raised the bar for concrete bridges.

Bythe Sunshine Skyway Bridge in Tampa, Florida, had set a new record for concrete bridges, with a main span of m (1, ft).File Size: 40KB. Abstract: The shortest span reinforced concrete decks are built as solid slabs.

These may be supported on bearings although, due to durability issues with expansion joints and bearings, it is usually preferable to cast them integral with in-situ abutments or. The American Concrete Institute.

Founded in and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design.

Foster the continued growth of reinforced concrete construction. Includes downloadable publications, technical resources, and information on the educational foundation. The purpose of this research was to investigate the performance of glass fiber reinforced polymer (GFRP) bars as reinforcement for concrete decks.

Today's rapid bridge deck deterioration is calling for a replacement for steel reinforcement. The advan Cited by: 7. Rebar (short for reinforcing bar), known when massed as reinforcing steel or reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension.

Concrete is strong under compression, but has weak tensile significantly increases the tensile strength of the. For early detection of rebar corrosion and its causes, which represents one of the main aspect for a correct maintenance of concrete structures, several techniques are presently available and used: visual inspection, mechanical methods, chemical analysis, electrochemical techniques, just to mention.

Bridge Deck Concrete Placement Checklist – see Spec. Revised 6/ Day 6 7% strength gained for a total of 68%. Note: A 7 day wet cure is required on decks. This starts when the last curing protection is inplace. If control cylinders are used, there is a minimum of 96 hours.

Note: Must be surface moist through the 7 day curing Size: 39KB. common to typical steel bridges, concrete decks can utilize post-tensioning steel in addition to the mild steel reinforcement in an effort to provide additional strength and durability.

General. Reinforced concrete deck slabs must not only be designed for dead and live loads at the serviceFile Size: 2MB. Estimation of torsio in horizontally curved multispan decks Thermal stresses.

Various construction techniques and construction considerations A quick analysis of vibration effects in bridge decks Cable-stayed decks. Fire resistance of structural concrete Economics and quantity trends in alternative bridge structure schemes Weiwei Lin, Teruhiko Yoda, in Bridge Engineering, Precast Concrete Bridge.

The concrete bridges can also be precast, which means the bridges were built at other locations and then transported to construction site for placement in the whole bridge structure.

This construction method has several advantages. Firstly, this method can have higher construction speed because the piling. And the working mechanism resisting the freeze-thaw damage of polyacrylonitrile fiber-reinforced concrete materials is studied.

Finally the polyacrylonitrile fiber concrete materials are applied to bridge deck structure, which can improve the service life.

It provides reasonable suggestions to reinforcement and design of bridge deck. Reinforcing steel (rebar) is widely used in a variety of applications from bridges to reinforced buildings to enhance the tensile strength of the surrounding concrete.

However, the addition of these strengthening elements can prove problematic for the. DESIGN DETAILS FOR BRIDGE DECKS General The following general criteria apply to bridge decks that are constructed compositely in conjunction with concrete girders, steel girders and the top slabs of cast-in-place, post-tensioned box girders: 1.

Thickness. The thickness of reinforced concrete decks shall typically be 8 in but not less. Multi-span pre-tensioned pre-stressed concrete beam (PPCB) bridges made continuous usually experience a negative live load moment region over the intermediate supports.

Conventional thinking dictates that sufficient reinforcement must be provided in this region to satisfy the strength and serviceability requirements associated with the tensile stresses in the deck. CONCRETE DECKS PREVENTIVE MAINTENANCE The main preventive maintenance objective for concrete bridge decks is to control salt and moisture penetration to prevent and/or retard corrosion of the reinforcement.

Several activities may by required to accomplish this objective. Reinforced concrete (RC) (also called reinforced cement concrete or RCC) is a composite material in which concrete's relatively low tensile strength and ductility are counteracted by the inclusion of reinforcement having higher tensile strength or ductility.

The reinforcement is usually, though not necessarily, steel reinforcing bars and is usually embedded passively in the concrete before the. Slab Reinforcement Concrete Truck and Pump. 6 Concrete Pump. 7 Wall Construction walls. 13 Bridges Rigid Frames – Overpass. 14 Slab and Beam Bridge Bridge Frames Supporting Precast Concrete and Steel Beams.

15 Flat Slab-Column Bridge Box Girder Bridge. 16 Post-Tensioned Segmental Bridge (I, Colorado) Concrete Structures at. SUBJECT: Concrete Deck Slab Reinforcement The following revisions are made to the use of epoxy coated reinforcement in bridge structures: Epoxy coated reinforcement shall be specified for both top and bottom layer rebar of all bridge deck slabs without longitudinal post-tensioning.

Cracking Behavior of Structural Slab Bridge Decks January 6. Performing Organization Code 7. Author(s) 8. Performing Organization Report No.

Anil Patnaik (PI) Prince Baah (Graduate Student) 9. Performing Organization Name and Address Work Unit No. (TRAIS) The University of Akron Buchtel Common Akron, OH SJN   Reviewed in this chapter are steel-free bridge decks reinforced with these composite reinforcement in forms of round or square rods, 2-D or 3-D grids or gratings, flat or curved FRP plate, sandwich panel with foam/balsa/steel inserts, stiffened or Cited by: 2.

GFRP reinforcing bars offer advantages over steel reinforcement due to their noncorrosive nature and nonconductive behavior. Due to other differences in the physical and mechanical behavior of GFRP materials as opposed to steel, unique guidance on the engineering and construction of concrete bridge decks reinforced with GFRP bars is : AASHTO.Oklahoma Department of Transportation Transportation Commission At-Large Chairman – Gene McKown, Norman Division 1 Member – Bob Coburn, Muskogee Division 2 Member – James Grimsley, Calera Division 3 Secretary – T.W.

Shannon, Oklahoma City Division 4 Member – Don Freymiller, Edmond Division 5 Member – David Dyson, Elk City Division 6 Member – Bobby J.

Alexander. WATERPROOFING OF CONCRETE BRIDGE DECKS [(Road Research)] on *FREE* shipping on qualifying offers. Paris OECD. 4to., 89pp., printed wraps. Ex Author: (Road Research).