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Guidelines for Bridge Design.P65 GUIDELINES FOR BRIDGE DESIGN INDEX FROM THE DESK OF SEDC(BR) ....................................................................... 2 FROM THE AUTHORS ........................................................................................ 3 FOREWORD .......................................................................................................... 4 PREFACE ............................................................................................................... 5 FEW WORDS ........................................................................................................ 6 CONTENTS ............................................................................................................ 7 CHAPTER - 1 : INTRODUCTION .........................................................................11 CHAPTER - 2 : ESTIMATION OF DESIGN DISCHARGE SCOUR DEPTH, LINEAR WATERWAY AND AFFLUX .................................................................... 25 CHAPTER - 3 : COMPONENTS OF BRIDGE STRUCTURE ............................. 45 CHAPTER - 4 : SUBMERSIBLE BRIDGES ....................................................... 101 CHAPTER - 5 : INNOVATIVE STRUCTURES AND BRIDGE ASTHETICS ..... 107 CHAPTER - 6 : PREPARATION OF BRIDGE PROJECT ................................. 121 CHAPTER - 7 : PRESTREESING HIGH PERFORMANCE CONCRETE ANTICORROSIVE TREATMENT ...................................................................... 129 ANNEXURES...................................................................................................... 137 BRIDGE DESIGN 1 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 1FROM234567890123456789012345 THE6 DESK OF SEDC(BR) 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 The Engineers, who join this organisation, have to study various codes and 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 books for considerable time to bring themselves up to a desired level of 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 knowledge, as many of them are not in touch with the requisite literature. They 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 do not get proper references at the required moment. They do not precisely know 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 the practices followed in the State P.W.D. as regards the design of bridges and 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 buildings. It was, therefore, considered necessary to prepare guidelines, which 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 will help the engineers to know our practices and also know some useful 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 references for further study. 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 An effort has been made to discuss almost all aspects relating to the bridge 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 design, which are necessary for preparing ‘Bridge Project’ and further preparing 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 the detailed designs. One practical example is also enclosed as annexure to 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 understand the process better. It may please be remembered that these 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 guidelines are useful for the beginners in Bridge Design. The provisions are only 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 guiding principles and hence the designer should also study Text Books, Codes, 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 and Specifications etc. for preparing the Designs. 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 The first edition of these guidelines was published in the year 1997. The same 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 are now being revised as per revisions in IRC codes and prelevant practices in 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 State P.W.D. 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 Some new chapters on submersible bridges, innovative structures, bridge 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 asthetics, and high performance concrete have been added. Also some 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 additional information on hydraulics including Unit Hydrograph Method.Raft 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 foundations and some informative sketches have been incorporated. Hence, it is 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 felt that the second edition of these guidelines will be useful not only to the new 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 entrants in the Designs Circle but also serves as guidelines to the Field 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 Engineers of the Department. 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 AUGUST 2007 Superintending Engineer 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 Designs Circle(Bridges) 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 Konkan Bhavan, Navi Mumbai 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 2 GUIDELINES FOR 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 12345678901234567890123456 1FROM234567890123456789012345 THE6 AUTHORS 12345678901234567890123456 12345678901234567890123456
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