The first edition of the sdi floor deck design manual fddm includes 11 design examples and load tables for generic profiles download the third edition of our steel deck institute manual of construction with steel deck moc3 or visit our order page to purchase a printed and bound copy. It assists texas bridge designers in applying provisions documented in the aashto lrfd bridge design specifications, to which designers should adhere unless directed otherwise by this document. Polymer concrete wearing surface system for orthotropic steel. Manual for design, construction and maintenance of. Qualitative solutions may be new design methodologies or innovative. Aisc orthotropic plate design manual american institute of. Influence of wearing surfacing on performance of orthotropic. Pdf in recent decades, orthotropic steel decks osds have been routinely incorporated into longspan bridges. Fatigue durability of tr ough rib to deck plate welded detail. Orthotropic steel deck is being used more and more in canada, and the reasons for choosing this solution are many. Steel deck institute the steel deck institute was formed to. Orthotropic steel deck, fatigue, durability, fillet weld, trough to deck welded detail 1.
Steel plate reinforcement of orthotropic bridge decks. A sample analytical method for bearing resistance calculation. Landmark steel bridges embody good design, they are fast to build, and have stimulated the regeneration of many former industrial, dock and canalside areas. It lists basic data and statistics for bridges, and a survey of what happened to these orthotropic bridges. Eight different connector systems were evaluated and steel dowels. Pdf performance characteristics of epoxy asphalt paving. Short span orthotropic bridges for sssba steel orthotropic deck. Wolchuk attended over 50 national and international engineering conferences and seminars and was a featured speaker at 27 of them.
An orthotropic bridge deck is one in which a steel deck plate is supported by longitudinal ribs and transverse crossbeams 1. Orthotropic bridge deck design njdot technology transfer. Aisc 1963, design manual for orthotropic steel plate deck bridges. Mission bridgedesign and construction of the steel box. Design examples are to the more appropriate of these two codes for each. January 01, 2020 purpose this manual documents policy on bridge design in texas.
A comparison of the inservice response of an orthotropic steel deck with laboratory studies and design assumptions. You said you werent designing scales or orthotropic bridges, you wanted to check the max. The recommendations contained in this manual regarding the design and the details of steel bridge decks are, of necessity, tentative. Polymer concrete wearing surface system for orthotropic. Foreword the manual for design, construction, and maintenance of orthotropic steel deck bridges has been developed to supplement and modernize the 1963 design manual for orthotropic steel plate deck bridges written by roman wolchuk and published by the american institute of steel construction. The structural system with which we are concerned is orthogonal anisotropic plate popularly termed orthotropic. Steel bridges are an essential feature of a countrys infrastructure and landscape. Aisc orthotropic plate design manual american institute. Nist handbook 44, aashto, aisc design manual for orthotropic steel plate deck bridges. On longspan bridges of the honshushikoku bridges hsb, figure 1, the specification for fatigue. Manual for design, construction, and maintenance of orthotropic steel deck bridges.
The widely used pci bridge design manual provides concrete girder shapes with standard dimensions and. When we use the term orthotropic steel deck we are talking about bridges whose steel decks are idealized as orthotropic plates all parts working together as a unit rather than individual pieces designed separately on the basis of their individual functions. Finite element design of orthotropic steel bridge decks. In the chapter5, a full size specimen of orthotropic steel deck with 80mm thickness asphalt surfacing were employed to simulate and investigate real stress around rd joints in onside steel orthotropic bridge decks. Load testing of existing structures case studies and lessons learned.
Please note, this document has not been updated in any way since 1963, and is accordingly presented here for historicinformational purposes only. Principles of designing asphalt pavement for orthotropic. Manual for design, construction, and maitenance of. The last important design feature of the sps orthotropic bridge deck is its long life. Theoretical aspects of orthotropic skew steel decks. This manual is completely revised, expanded and updated from the 2000 sdi roof deck construction handbook, rdch1. The different geometries of the ribs and crossbeams give the deck different flexural stiffness in the transverse and longitudinal directions making it orthotropic.
Focus a guide to todays orthotropic steel deck bridges. In the fatigue design guideline, the minimum deck plate thickness is 12mm. Steel orthotropic deck design bridge engineering engtips. Thanks to our rigorous quality control system, canambridges orthotropic steel deck can be adapted to the particular requirements of your structure as well as meet all technical standards specified by.
While professionals opt for this method mainly because of its costsaving advantages, the benefits extend even further. Effect of deck plate thikness of orthotropic steel deck on fatigue durability jun murakoshi1, shuichi. Optimizing rib width to height and rib spacing to deck plate thickness. Design manual for orthotropic steel plate deck bridges scribd. An orthotropic bridge or orthotropic deck is one whose deck typically comprises a structural steel deck plate stiffened either longitudinally. Despite the savings and advantages up to 25% of total bridge mass can be saved by reducing deck weight, as the weight reductions extend to cables. Orthotropic deck is composed of a steel plate thats covered by a shopinstalled roadway surface. Design manual for orthotropic steel plate deck bridges aisc. His basic design manual for orthotropic steel plate deck bridges 1963 introduced steel 1964 r. The maintenance requirements for orthotropic bridges are expected to be much lower as there would be no need to redeck the bridges every few decades. Fhwa manual for orthotropic deck bridges us department of. Manual for design, construction, and maitenance of orthotropic steel deck bridges publication no. Pdf steel plate reinforcement of orthotropic bridge decks. The aashto bridge design specifications first incorporated provisions for the design of orthotropic steel plate deck bridges in 1973.
The culmination of all the information is demonstrated in two design examples. Thousands of orthotropic deck bridges are in existence throughout the world. There are approximately thirty such orthotropic steel plate bridges in the world including six in the united states. Federal highway administration fhwa published the manual for design, construction, and maintenance of orthotropic steel deck bridges connor, et al. Pdf optimization of design details in orthotropic steel decks. Introduction to orthotropic steel deck bridges many of the worlds most magnificent modern bridge structures utilize the orthotropic steel plate. The manual supplements and updates the 1963 design manual for orthotropic steel plate deck bridges published by the american institute of steel construction. Requirement for standard structural details of osds is specified to ensure fatigue resistance. Errata for discussion of consistent approach to calculating stresses for fatigue design of welded ribtoweb connections in steel orthotropic bridge decks by robert j. The widely used pci bridge design manual provides concrete girder shapes. Manual for design, construction and maintenance of orthotropic steel deck bridges 1.
The design is based on csa standard s61966 and the aisc design manual for orthotropic steel plate deck bridges as far as applicable and with some deviations. Orthotropic deck bridges theory and design of bridges. This allows the deck both to directly bear vehicular loads and to contribute to the bridge structures overall loadbearing behaviour. Orthotropic steel deck bridges consist of a deck plate, supported by longitudinal thin stiffeners, main girders and transversal stiffeners. It includes a discussion of some the various applications of orthotropic bridge construction to provide background with case study examples. Figure 14 orthotropic steel deck integral with plate girder taken from aisc 16. Load assumptions for steel bridges standard orthotropic steel deck with continuous stringers with. Presented herein is a compilation of njdot structural design guidance, specification interpretations, standard practices, details and standards. Procedure for design of gluedlaminated orthotropic bridge. Aisc orthotropic plate design manual, engineering journal, american institute of steel construction, vol. Fatigue design, evaluation and inspectoion for orthotropic steel decks on longspan bridges koichiro fumoto1, ikuo yamada2, akira moriyama3 and yoshiteru yokoi4 abstract recently, fatigue damages have been reported on steel bridges in japan. This manual covers the relevant issues related to orthotropic steel deck bridge engineering, including analysis, design, detailing, fabrication, testing, inspection, evaluation, and repair. Structures, design and construction of a steel orthotropic bridge in sofia 754 figure 3. An orthotropic bridge or orthotropic deck is one whose deck typically comprises a structural steel deck plate stiffened either longitudinally or transversely, or in both directions.
Introduction most orthotropic steel decks osds with closed ribs in japan consist of a deck plate of 12 mm thick and trough ribs of 6 or 8 mm thick with asphalt pavement of 6080 mm thick. Design manual for orthotropic steel plate deck bridges anon. Title fatigue evaluation of ribtodeck joint in orthotropic. Steel separate deck section orthotropic plate type the upper transversal beams have. Load assumptions for steel bridges structural detailing for deck plate connection of deck ppglate to troughs 75 12 hv hv hv 14 300 300 300 design life load model 4 without layer manual also cover methods for maintaining and evaluating orthotropic bridges, including inspection and load rating. Load assumptions for steel bridges structural detailing for deck plate connection of deck ppglate to troughs 75 12 hv hv hv 14 300 300 300 design life load model 4 without layer for deck plates in orthotropic bridge decks since the 1960s, orthotropic deck plates of highway bridges have been built with large coldformed trapezoidal stiffeners supporting a deck plate with a thickness of approx. This chapter will discuss the major design issues of orthotropic steeldeck systems.
Bridge in new york city to study the effects of cutouts, deck plate thickness, and other. This module provides practical information regarding the decking options and design considerations for steel bridges, presenting deck types such as concrete deck slabs, metal grid decks, orthotropic steel decks, wood decks, and several others. Many of the worlds signature longspan steel bridge structures utilize the orthotropic steel plate as one of the basic building blocks in the structural system, for distribution of traffic loads in decks and for the stiffening of slender girder plate elements in compression. An orthotropic bridge deck is one in which a steel deck plate is supported by longitudinal ribs and transverse crossbeams.
Many of the longspan steel bridge structures utilize the orthotropic steel deck plate as one of the basic structural system, for distributing. Society gains in many ways from the benefits delivered by steel bridge solutions. The canadian highway bridge design code specifies that the design life of a new structure is to be 75 years. Design manual for orthotropic steel plate deck bridges. If the angle is welded at only one leg, then it is an open rib. Influence of cutout geometry on stresses at welded ribto. In composite bridges the anchors can be aligned with the stiffening girder or placed in an exterior position under or in the slab plan.
Working as a whole, it takes part in the structural working of the overall bridge concept, which in its turn results in an extremely lightweight and durable deck concept. Design methods which consider the gluedlaminated deck as an orthotropic plate accurately predict its behavior, since a laminated bridge deck is constructed from many relatively narrow panels, it is necessary to install connectors which allow the deck to act as a continuous plate. The item design manual for orthotropic steel plate deck bridges represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in brigham young university. Results indicate that the suggested cutout geometry shown in the current 2002 aashto lrfd bridge design specifications for closedrib orthotropic bridge decks produces increased stresses on this fatiguesensitive connection. Jul 16, 2014 orthotropic steel deck is being used more and more in canada, and the reasons for choosing this solution are many. Can anybody give me some guidance about the design of orthotropic deck design to bs 5400. The first edition, rddm, of the sdi roof deck design manual continues the efforts of the steel deck institute to provide uniform industry standards for the engineering, design, manufacture and field usage of steel decks. The system is commonly used because it has several advantages in bridge design. The san mateo hayward orthotropic steel deck uses 34 deck plate or 58 deck plate with open or flat plate ribs. The orthotropic deck consists of the deck plate, with a thickness of 12 mm. Design manual of orthotropic bridge 2 2012 examples of bridges. The main idea is to stiffen the existing deck plate, which will reduce the stresses.
An osd typically consists of a steel deck plate with welded stiffeners or ribs parallel to each other in the longitudinal direction. Evaluation of trinidad lake asphalt overlay performance. The contec ferroplan was found to be a very promising solution because it turns the deck plate in a much more rigid construction with a higher plate factor due to the monolithic composite interaction between the contec ferroplan overlay and the steel deck plate of the orthotropic steel bridge deck. Most bridges today are designed using finite element software, however the complexity of orthotropic steel deck. Procedure for design of gluedlaminated orthotropic bridge decks.
This manual, supplemented by other njdot baseline documents and operating procedures and policies, is the vehicle by which the design of bridges and structures is implemented. Thanks to our rigorous quality control system, canam bridges orthotropic steel deck can be adapted to the particular requirements of your structure as well as meet all technical standards specified by. Dissemination of information for training vienna, 46. Roy suggested that the orthotropic bridge deck design could. There are approximately thirty such orthotropic steelplate bridges in the world including six in the united states. Optimal design and fatigue performances of innovative corrugated orthotropic steel deck plate rpc layer composite deck structure article pdf available september 2017 with 182 reads how we. Parameters considered included overall cutout shape, cutout depth, diaphragm plate thickness, and deck plate thickness. Aasho specifications aggregate applied asphalt concrete axle beam on elastic bending moments bituminous buckling closed ribs component loads computed by equation continuous beam conventional bridge cross section dead load deck panels deck plate acting deck with closed deck with open deflection determined discussed in section due to floor. This and subsequent editions as well as the technical literature provided few requirements or guidelines for the design of the wearing surface. Design manual for orthotropic steel plate deck bridges, american institute for steel. Construction of orthotropic decks with deck plate, crossbeams and ribs going. The choice of a particular deck type to use can depend on several factors, which may include the specific application. The deck panel is fabricated from atmospheric corrosion resistant steel such as csa g40.
The widely used pci bridge design manual provides concrete girder. Aisc 1963, design manual for orthotropic steel plate deck bridges, american institute. Orthotropic steel decks osds consist of a complex network of longitudinal stiffeners, transverse stiffeners, and the deck plate itself. A pdf version of the 1963 design manual for orthotropic steel plate deck bridges. By their nature, steel orthotropic decks are inherently redundant in their design, with features like blast resistance and bridge hardening.
Fatigue design guideline for steel highway bridges was issued in 2002. Allowable stress design concepts were replaced by limit state design encompassing bs 5950 for buildings and bs 5400 for bridges. This chapter will discuss the major design issues of orthotropic steel deck systems. When we use the term orthotropic steel deck we are talking about bridges whose steel decks are idealized as orthotropic platesall parts working together as a unit rather than individual pieces designed separately on. View or download all content the institution has subscribed to. Included are discussion of the many aspects of orthotropic bridge engineering, including analysis, design, detailing, fabrication, testing, inspection, evaluation, and repair. A steel gridreinforced concrete deck system, which can be precast prior to installation, for both temporary and permanent bridge decking applications. Our design engineers can inform and guide you as needed in order to obtain all the information thats required to execute your bridge project. Design manual for orthotropic steel plate deck bridges american institute of steel construction. Business engineering and manufacturing government bridges bridges structures handbooks product introduction handbooks, vademecums, etc.
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