No. JAPAN INTERNATIONAL COOPERATION AGENCY (JICA) JAMUNA MULTIPURPOSE BRIDGE AUTHORITY (JMBA) The Feasibility Study of Padma Bridge in The People's Republic of BANGLADESH FINAL REPORT Volume 6 HIGHWAY, BRIDGE AND OTHER ENGINEERING STUDIES MARCH, 2005 NIPPON KOEI CO., LTD. in association with CONSTRUCTION PROJECT CONSULTANTS, INC. S D J R 05-017 THE FEASIBILITY STUDY OF PADMA BRIDGE FINAL REPORT (VOLUME VI) MARCH 2005 STRUCTURE OF FINAL REPORT VOLUME I EXECUTIVE SUMMARY VOLUME II MAIN REPORT VOLUME III SOCIO-ECONOMIC AND TRANSPORT STUDIES APPENDIX-1: ECONOMIC FEATURE OF BANGLADESH APPENDIX-2: TRANSPORT STUDIES VOLUME IV TOPOGRAPHIC SURVEY AND GEOTECHNICAL INVESTIGATION APPENDIX-3: TOPOGRAPHIC AND BATHYMETRIC SURVEYS APPENDIX-4: GEOTECHNICAL INVESTIGATION VOLUME V RIVER STUDIES APPENDIX-5: RIVER AND RIVER MORPHOLOGY APPENDIX-6: HYDROLOGY AND HYDRAULICS APPENDIX-7: RIVER ENGINEERING VOLUME VI HIGHWAY, BRIDGE AND OTHER ENGINEERING STUDIES APPENDIX-8: BRIDGE ENGINEERING APPENDIX-9: HIGHWAY ENGINEERING APPENDIX-10: RAILWAY PROVISION VOLUME VII ENVIRONMENTAL AND SOCIAL/RESETTLEMENT STUDIES APPENDIX-11: ENVIRONMENTAL STUDIES APPENDIX-12: SOCIAL IMPACT ASSESSMENT AND RESETTLEMENT FRAMEWORK VOLUME VIII DRAWINGS OF PRELIMINARY FACILITY DESIGN VOLUME IX SUPPORTING STUDIES (Provided by electric files. Original copies are kept by JMBA and JICA Tokyo.) THE FEASIBILITY STUDY OF PADMA BRIDGE FINAL REPORT (VOLUME VI) MARCH 2005 The Feasibility Study of Padma Bridge Final Report (Vol. 4 Topographic Survey and Geotechnical Investigation) Table of Contents Appendix 8 Bridge Engineering.................................................................................A8-1 Chapter 1 Preliminary Technical Considerations for Bridge Planning.................A8-1 1.1 Introduction.............................................................................................................. A8-1 1.2 Configuration of the Bridge at the Alternative Locations........................................... A8-1 1.2.1 Bridge Length ................................................................................................. A8-1 1.2.2 Subsoil Conditions along the Padma River ...................................................... A8-4 1.2.3 Possible Foundations of the Padma Bridge......................................................A8-5 1.3 Utilities to be Installed..............................................................................................A8-5 1.4 Evaluation of Alternative Bridge Crossings............................................................... A8-6 Chapter 2 Preparatory Study for Preliminary Design of Bridge and Highway..................................................................................................A8-7 2.1 General..................................................................................................................... A8-7 2.2 Basic Condition Analysis for Preliminary Bridge Design .......................................... A8-7 2.2.1 Preconditions for Preliminary Design of Bridge............................................... A8-7 2.2.2 Policy for Preliminary Bridge Design.............................................................. A8-9 2.2.3 Methodology for Preparatory Study................................................................. A8-9 2.2.4 Selection of Target Ranges of Span Lengths .................................................. A8-21 2.3 Basic Condition Analysis for Highway Design........................................................ A8-26 2.3.1 Connecting Roads ......................................................................................... A8-26 2.3.2 Control Points ............................................................................................... A8-26 2.3.3 Future Traffic ................................................................................................ A8-27 2.3.4 Height of Project Highway............................................................................ A8-27 2.3.5 Geometric Design Conditions........................................................................ A8-28 2.3.6 Land Acquisition Area................................................................................... A8-29 2.3.7 Initial Inventory Study................................................................................... A8-29 2.3.8 Potential Highway Route for Alternatives Project Locations .......................... A8-31 2.3.9 Initial Pavement Design ................................................................................ A8-32 Chapter 3 Preliminary Design of Padma Bridge..................................................A8-34 3.1 Introduction............................................................................................................ A8-34 3.2 Design Criteria and Standards adopted in Preliminary Design ................................. A8-34 3.2.1 Pre-condition of Preliminary Design.............................................................. A8-34 i THE FEASIBILITY STUDY OF PADMA BRIDGE FINAL REPORT (VOLUME VI) MARCH 2005 3.2.2 Design Criteria and Standards ....................................................................... A8-36 3.2.3 Review on Bridge Types, Span-Cost Relation of Interim Report .................... A8-40 3.2.4 Bridge Type Alternatives ............................................................................... A8-41 3.3 Study on Superstructure and Foundation Types and Preferable Span Length............ A8-44 3.3.1 Superstructure Study ..................................................................................... A8-44 3.3.2 Substructure Study ........................................................................................ A8-65 3.3.3 Preferable Span Length ................................................................................. A8-74 3.3.4 Preliminary Design of Extradosed Bridges .................................................... A8-78 3.3.5 Preliminary Design of Substructures............................................................ A8-110 3.3.6 Construction and Maintenance of Extradosed Bridges ................................. A8-133 3.4 Bridge Design Options.......................................................................................... A8-136 3.4.1 Alternative –H1: PC Extradosed Girder Bridge without Railway Provision..................................................................................................... A8-137 3.4.2 Alternative –H2: PC Extradosed Girder Bridge and PC Cable Stayed Girder without Railway Provision ............................................................... A8-144 3.4.3 Alternative –HR: PC Extradosed Girder Bridge with Railway Provision..................................................................................................... A8-148 3.4.4 Alternative –HR2: PC Extradosed Girder Bridge and PC Cable Stayed Girder with Railway Provision .................................................................... A8-154 3.4.5 Alternative –H3: PC Extradosed Girder Bridge with Railway Provision (Minimum width)........................................................................................ A8-158 3.5 Summary of Quantities ......................................................................................... A8-162 Appendix-9 Highway Engineering.............................................................................A9-1 9.1 Introduction.............................................................................................................. A9-1 9.2 Objectives of Padma Project from Highway Planning Aspect .................................... A9-1 9.3 Road System of Bangladesh and Functional Requirement for Project Highway................................................................................................................... A9-3 9.4 Highway Development in Area Associated with Padma Project................................. A9-8 9.5 Characters of Initial Project Location Alternatives from Highway Planning Aspects................................................................................................................... A9-18 9.6 Evaluation of Initial Project Location Alternatives from Highway Planning Aspects................................................................................................................... A9-23 9.7 Basic Highway Condition Analysis for Final Selection of Project Location ............. A9-25 9.7.1 Connecting Roads ......................................................................................... A9-25 9.7.2 Traffic Demand Forecasts.............................................................................. A9-25 9.7.3 Heights of Project Highway........................................................................... A9-26 9.7.4 Potential Highway Routes for Second-Stage Project Location Alternatives................................................................................................... A9-26 9.7.5 Evaluation of Second-Stage Project Location Alternatives ............................. A9-26 ii THE FEASIBILITY STUDY OF PADMA BRIDGE FINAL REPORT (VOLUME VI) MARCH 2005 9.8 Design Standard and Criteria for Preliminary Highway Design.............................. A9-29 9.9 Geometric Design of Project Highway ................................................................. A9-32 9.9.1 Route Selection for Project Highway .......................................................... A9-32 9.9.2 Horizontal Alignment ...............................................................................