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Author : Phani Kumar V. V. Nukala
Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (332 download)
Download or read book Stay-in-place Deck Forms written by Phani Kumar V. V. Nukala and published by . This book was released on 1995 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ariel Goldman
Publisher :
ISBN 13 :
Total Pages : 131 pages
Book Rating : 4.:/5 (334 download)
Download or read book Stay-in-place Deck Panels written by Ariel Goldman and published by . This book was released on 1995 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marvin Henry Hilton
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (194 download)
Download or read book Stay-in-place Bridge Deck Forms, a State of the Art Review written by Marvin Henry Hilton and published by . This book was released on 1973 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of prior research conducted on precast prestressed panel subdecks for use in the construction of bridge decks are reviewed and summarized. This construction technique utilizes the precast panel subdecks as the forming for the cast-in-place upper portion of the deck. After placement of the upper portion of the deck the panels become an integral part of the deck thickness. The placement and removal of wooden type formwork are thus eliminated and the construction time and safety hazards normally experienced during form removal are thereby reduced. The field experience and research results to date indicate the technique to be reliable. Some hairline cracking can be expected to occur on the cast-in-place deck directly above the joints between prestressed panels. Cores from the bridge decks show that the cracking does not penetrate the full depth of the upper slab and is not considered detrimental to the structural integrity of the deck. It was recommended that Virginia adopt the innovation on a trial basis to gain experience with the technique.
Author :
Publisher :
ISBN 13 :
Total Pages : 75 pages
Book Rating : 4.:/5 (148 download)
Download or read book Recommendations for the Connection Between Full-depth Precast Bridge Deck Panel Systems and Precast I-beams written by and published by . This book was released on 2007 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precast bridge deck panels can be used in place of a cast-in-place concrete deck to reduce bridge closure times for deck replacements or new bridge construction. The panels are prefabricated at a precasting plant providing optimal casting and curing conditions, which should result in highly durable decks. Precast panels can be either full-depth or partial-depth. Partial-depth panels act as a stay-in-place form for a cast-in-place concrete topping. This study investigated only the behavior of full-depth precast panels. The research described in this report had two primary objectives. The first was to develop a performance specification for the grout that fills the haunch between the top of the beam and the bottom of the deck panel, as well as the horizontal shear connector pockets and the panel-to-panel joints. Tests were performed using standard or modified ASTM tests to determine basic material properties on eight types of grout. The grouts were also used in tests that approximated the conditions in a deck panel system. Based on these tests, requirements for shrinkage, compressive strength, and flow were established for the grouts. It was more difficult to establish a test method and an acceptable performance level for adhesion, an important property for the strength and durability of the deck panel system. The second objective was to quantify the horizontal shear strength of the connection between the deck panel and the beam prestressed concrete beams. This portion of the research also investigated innovative methods of creating the connection. Push-off tests were conducted using several types of grout and a variety of connections. These tests were used to develop equations for the horizontal shear strength of the details. Two promising alternate connections, the hidden pocket detail and the shear stud detail, were tested for constructibility and strength. The final outcome of this study a set of recommendations for the design, detailing, and construction of the connection between full-depth precast deck panels and prestressed concrete I-beams. If designed and constructed properly, the deck panel system is an excellent option when rapid bridge deck construction or replacement is required.
Author : Valter Gora Venancio
Publisher :
ISBN 13 :
Total Pages : 101 pages
Book Rating : 4.:/5 (952 download)
Download or read book Behavior of Ultra-high Performance Concrete Bridge Deck Panels Compared to Conventional Stay-in-place Deck Panels written by Valter Gora Venancio and published by . This book was released on 2016 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The remarkable features of ultra-high performance concrete (UHPC) have been reported. Its application in bridge construction has been an active research area in recent years, attributed to its higher compressive strength, higher ductility and reduced permeability when compared with conventional concrete and even high-strength concrete. Those characteristics are known to increase bridge durability and, consequently, decrease life-cycle maintenance costs. With that in mind, this study investigated the performance of UHPC stay-in-place (SIP) bridge deck panels subjected to high loads in both flexure and shear. The test matrix consisted of twelve (12) half-scale panels that were 4 feet long and 2 feet wide. The variable parameters that were studied included thickness (i.e., 2-in. and 3-in.) as well as non-discrete reinforcement type, including conventional mild reinforcement, welded wire mesh and no reinforcement (UHPC only). Control deck panels with conventional concrete (CC) were fabricated and tested to serve as a baseline for comparison. The results indicated that the UHPC panels had an improved performance compared to the conventional concrete panels. With respect to the panels tested in high shear loads, only the CC panel test resulted in a diagonal tension failure mode (i.e. traditional shear type failure). All of the other UHPC panels failed in flexure suggesting that the UHPC provided a high shear capacity. The results also showed a good correlation with selected empirical models. A cost study was also investigated. It was concluded that, even with the high difference between the prices per cubic yard of both concretes, the difference can be significantly lower when compared with the prices per ultimate load capacity"--Abstract, page iii.
Author : H. G. Russell
Publisher : Transportation Research Board
ISBN 13 : 0309070112
Total Pages : 188 pages
Book Rating : 4.3/5 (9 download)
Download or read book Concrete Bridge Deck Performance written by H. G. Russell and published by Transportation Research Board. This book was released on 2004 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: At head of title: National Cooperative Highway Research Program.
Author : Colter Roskos
Publisher :
ISBN 13 :
Total Pages : 1044 pages
Book Rating : 4.:/5 (123 download)
Download or read book Applications of Partial Depth Precast Concrete Deck Panels on Horizontally Curved Bridges written by Colter Roskos and published by . This book was released on 2018 with total page 1044 pages. Available in PDF, EPUB and Kindle. Book excerpt: Horizontally curved bridges are commonly used for direct connectors at highway intersections as well as other applications. The majority of curved bridges utilize continuous steel curved I-girder or tub girder systems. One of the most critical construction stages from a stability perspective is placement of the wet concrete deck at which point the girders must support the full construction load of the system until the deck stiffens and acts compositely with the girders. Bridges with a curved geometry experience significant torsional forces and require a substantial amount of bracing to control deformation during construction. There are a variety of bracing systems required for bridges during construction. These bracing systems included cross frames and lateral trusses for I-girder systems and top lateral trusses and internal and external cross frames for steel tub girders. While partial depth precast concrete panels (PCPs) are commonly used as stay-in-place formwork for straight bridges, the panels are not currently permitted on horizontally curved girder systems in Texas. TxDOT would like to extend the use of PCPs to bridges with curved girders. This report focuses on the stability of PCPs that rest on polystyrene bedding strips. The project studied the behavior for PCPs with and without a positive connection to steel girders. The experimental portion of this study consists of large-scale PCP shear tests and large-scale combined bending and torsion tests on both a twin steel I-girder system and on a single steel tub girder. The PCP shear tests were used to develop a simple and effective connection between the PCPs and the girder, as well as to empirically determine the in-plane stiffness and strength of the PCP/connection system. The large-scale girder tests were used to investigate the performance of PCPs and their connection to a system that simulates the load experienced in a realistic construction situation. Also, parametric finite element modeling of the PCPs and the curved girder systems were performed and validated with the results from the experimental tests. The finite element models were used to develop an understanding of the fundamental behavior of the steel girder systems in combination with the PCP systems. In addition to focusing on connection methods to the PCPs, guidelines were also developed for cases where the panels can be used on horizontally curved girder systems without a positive connection to the girders
Author : Lawrence C. Bank
Publisher : John Wiley & Sons
ISBN 13 : 0471681261
Total Pages : 572 pages
Book Rating : 4.4/5 (716 download)
Download or read book Composites for Construction written by Lawrence C. Bank and published by John Wiley & Sons. This book was released on 2006-07-21 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first textbook on the design of FRP for structural engineering applications Composites for Construction is a one-of-a-kind guide to understanding fiber-reinforced polymers (FRP) and designing and retrofitting structures with FRP. Written and organized like traditional textbooks on steel, concrete, and wood design, it demystifies FRP composites and demonstrates how both new and retrofit construction projects can especially benefit from these materials, such as offshore and waterfront structures, bridges, parking garages, cooling towers, and industrial buildings. The code-based design guidelines featured in this book allow for demonstrated applications to immediately be implemented in the real world. Covered codes and design guidelines include ACI 440, ASCE Structural Plastics Design Manual, EUROCOMP Design Code, AASHTO Specifications, and manufacturer-published design guides. Procedures are provided to the structural designer on how to use this combination of code-like documents to design with FRP profiles. In four convenient sections, Composites for Construction covers: * An introduction to FRP applications, products and properties, and to the methods of obtaining the characteristic properties of FRP materials for use in structural design * The design of concrete structural members reinforced with FRP reinforcing bars * Design of FRP strengthening systems such as strips, sheets, and fabrics for upgrading the strength and ductility of reinforced concrete structural members * The design of trusses and frames made entirely of FRP structural profiles produced by the pultrusion process
Author : HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University
Publisher : Transportation Research Board
ISBN 13 : 0309274109
Total Pages : 976 pages
Book Rating : 4.3/5 (92 download)
Download or read book Innovative Bridge Designs for Rapid Renewal written by HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University and published by Transportation Research Board. This book was released on with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, documents the development of standardized approaches to designing and constructing complete bridge systems for rapid renewals.
Author :
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.3/5 (555 download)
Download or read book Specification and Design of Fiber Reinforced Bridge Deck Forms for Use on Wide Flange T-girders written by and published by . This book was released on 2007 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wide-flanged concrete girders are increasingly being used for highway bridges in Wisconsin. The objective of this research was to understand the state of the art of non-metallic SIP forms and to develop design guidelines and performance specifications that can be used locally for the construction of highway bridge decks. Four major types of stay-in-place (SIP) forms using fiber reinforced concrete (FRC) or fiber reinforced polymer (FRP) materials were investigated: fiber reinforcements, grid reinforcements, bar reinforcements and pultruded profiles. The results were used to develop a model design and construction specification for non-structural, non-metallic, SIP forms in highway bridge decks.
Author : Thomas Mander
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (688 download)
Download or read book Structural Performance of a Full-depth Precast Concrete Bridge Deck System written by Thomas Mander and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the United States accelerated bridge construction is becoming increasingly popular to meet growing transportation demands while keeping construction time and costs to a minimum. This research focuses on eliminating the need to form full-depth concrete bridge deck overhangs, accelerating the construction of concrete bridge decks, by using full-depth precast prestressed concrete deck panels. Full-depth precast overhang panels in combination with cast-in-place (CIP) reinforced concrete are experimentally and analytically investigated to assess the structural performance. Experimental loaddeformation behavior for factored AASHTO LRFD design load limits is examined followed by the collapse capacity of the panel-to-panel seam that exists in the system. Adequate strength and stiffness of the proposed full-depth panels deem the design safe for implementation for the Rock Creek Bridge in Fort Worth, Texas. New failure theories are derived for interior and exterior bridge deck spans as present code-based predictions provide poor estimates of the ultimate capacity. A compound shear-flexure failure occurs at interior bays between the CIP topping and stay-in-place (SIP) panel. Overhang failure loads are characterized as a mixed failure of flexure on the loaded panel and shear at the panel-to-panel seam. Based on these results design recommendations are presented to optimize the reinforcing steel layout used in concrete bridge decks.
Author : John Robert Kintz
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (1 download)
Download or read book Experimental Evaluation of Partial Depth Precast Concrete Deck Panels Subjected to Shear Loading written by John Robert Kintz and published by . This book was released on 2017 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Horizontally curved girder bridges are often utilized for highway interchanges and other projects with restricted right-of-way. The large torsional demands caused by the girder geometry often require these systems to have extensive bracing, typically in the form of cross frames or diaphragms, to increase the torsional stiffness of the girder system during the construction phase. The most critical stage for the bracing is during the deck placement, when the noncomposite girders must resist the full construction load. Partial depth precast concrete panels (PCPs) are prestressed concrete panels used primarily as stay-in-place (SIP) formwork for straight girder systems. They are placed on full-length extruded bedding strips epoxied to the girder top flange, and the remaining depth of the deck is cast above. This is a time-efficient method of construction, and has become an attractive option due to ease of constructability and deck longevity. Although the panels have not been used on horizontally curved girder systems, there is a desire by bridge owners and contractors to use the forms in some curved girder applications. In addition to using the panels on curved girder applications, engaging the in-plane shear stiffness of the panels may lead to significant bracing in both straight and horizontally curved girder applications. A research investigation focused on measuring the behavior of PCPs acting as a shear diaphragm, as well as to develop an adequate connection between the PCPs and the girders was conducted at The University of Texas at Austin. Four PCP connection details were developed and tested at two different bedding strip heights. These connections were designed for a range of capacities, and in-plane shear load was applied until failure using a frame mechanism assembly. The experimental results showed that the connected PCPs had significant shear stiffness and strength, with the panels reaching shear capacities between 91 and 154 kips before failure depending on the connection detail that was utilized. A 46 to 70 percent increase in shear stiffness was also observed when the bedding strip height was reduced from 4 inches to 1⁄2 inch. All panels greatly exceeded the design capacity using the ACI design predictions, with 7 of 8 panels eventually failing due to concrete side face breakout. The eighth PCP failed from weld rupture in which the weld connecting the WT and the girder flange began to unzip.
Author : Maher K. Tadros
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (555 download)
Download or read book NU-DECK Precast Deck Panels & Innovative Bridge Research and Construction written by Maher K. Tadros and published by . This book was released on 2004 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wai-Fah Chen
Publisher : CRC Press
ISBN 13 : 1482255030
Total Pages : 3130 pages
Book Rating : 4.4/5 (822 download)
Download or read book Bridge Engineering Handbook, Five Volume Set written by Wai-Fah Chen and published by CRC Press. This book was released on 2014-01-24 with total page 3130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the Bridge Engineering Handbook. This extensive collection provides detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subject, and also highlights bridges from around the world.Published
Author :
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (555 download)
Download or read book Bridge B-20-133 on US-151 with Fiber Reinforced Polymer Reinforced Concrete Deck written by and published by . This book was released on 2005 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : World Scientific
ISBN 13 :
Total Pages : 771 pages
Book Rating : 4./5 ( download)
Download or read book written by and published by World Scientific. This book was released on with total page 771 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wai-Fah Chen
Publisher : CRC Press
ISBN 13 : 1439852294
Total Pages : 734 pages
Book Rating : 4.4/5 (398 download)
Download or read book Bridge Engineering Handbook written by Wai-Fah Chen and published by CRC Press. This book was released on 2014-01-24 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of the Bridge Engineering Handbook. This extensive collection highlights bridge engineering specimens from around the world, contains detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subjec
