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  • Digitized by the Internet Archive in 2014

    https://archive.org/details/govlawircy1999sp52_0

  • IRC:SP:52-1999

    BRIDGE INSPECTOR'S REFERENCE MANUAL

    PUBLISHED BY THE INDIAN ROADS CONGRESS

    JAMNAGAR HOUSE, SHAHJAHAN ROAD, NEW DELHI-ll0011

    1999

    Price Rs. 140/-(plus packing & postage)

  • IRC:SP:52-1999 First Published : June, 1999 Reprinted : August, 2005

    (Rights of Publication and Translation are Reserved)

    Printed at Sagar Printers & Publishers, Katla Mubarakpur, New Delhi-ll0003 (1 000 copies)

  • BRIDGE INSPECTOR'S REFERENCE MANUAL

    CONTENTS

    Composition of Bridge Specifications & Standards Committee

    Background

    1. Introduction

    2. Salient Components of a Road Bridge

    3. Types of Bridges

    4. Usual Problems with Different Bridge Materials like Masonry, Bricks, Concrete, Steel and Timber

    5. Types of Damages to various Components of Bridges due to Natural Causes and Protection Measures against them

    6. Important points for Bridge Inspection and Format of Bridge Inspector's Report

    7. Sketches

    8. Appendices Appendix I-List of Equipments

    Appnedix 2-Safety Aspects for Inspectors

    9. Appendix 3-Bridge Inspection Form

    IRC:SP:52-1999

    Page No.

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    IRC:SP:52- 1999 MEMBERS OF THE BRIDGE SPECIFICATIONS

    AND STANDARDS COMMITTEE

    A.D. Narain (Convenor) The Chief Engineer (B) S&R (Member-Secretary) S.S. Chakraborty

    Prof. D.N. Trikha

    Ninan Koshi

    A.G. Borkar

    N.K. Sinha

    A. Chakrabarti

    M.V.B. Rao

    C. R. Alimchandani

    Dr. S. K. Thakkar

    M.K. Bhagwagar

    P.O. Wani

    S.A. Reddi

    Vijay Kumar

    C.V. Kand M.K. Mukherjee Mahesh T andon

    Dr. T.N. Subba Rao

    The Director A.K. Harit

    Shri Prafulla Kumar

    (As on 12.3.1997) DG(RD) & Addl. Secretary to the Govt. of India, Ministry of Surface Transport (Roads Wing), New Delhi Ministry of Surface Transport (Roads Wing), New Delhi

    Managing Director, Consulting Engg. Services (I) Pvt. Ltd., 57, Nehru Place, New Delhl-110019 Director, Structural Engg. Res. Centre, Sector-19, Central Govt. Enclave, Kamla Nehru Nagar, PB No.1 0, Ghaziabad-201002 DG(RD) & Addl. Secy., MOST (Retd.), 56, Nalanda Apartments, Vikaspuri, New Delhi A-1, Susnehi Plot No. 22, Arun KumarVaidya Nagar, Bandra Reclamation, Mumbai-400050 Chief Engineer (PIC), Ministry of Surface Transport (Roads Wing), Transport Bhavan, New Delhi-110001 Chief Engineer, Central Public Works Department, Nirman Bhavan, Room No.424, New Delhi-110011 Head, Bridge Division, Central Road Research Institute, New Delhi-110020 Chairman & Managing Director, STUP Consultants Ltd., 1004-5 & 7, Raheja Chambers, 213, Nariman Point, Mumbai-400021 Professor, Deptt. of Earthquake Engg., University of Roorkee, Roorkee-247667 Consulting Engineer, Engg. Consultants (P) Ltd., F-14/15, Connaught Pla~e, New Delhi-110001 Secretary (R) to the Govt. of Maharashtra, P.W.D., Mantralaya, Mumbai-400032 Dy. Managing Director, Gammon India Ltd., Gammon House, Veer Savarkar Marg, Prabhadevi, Mumbai-400025 ' General Manager UP State Bridge Corpn. Ltd., 486, Hawa Singh Block, Khel Gaon, New Delhi-11 0049 Consultant, E-21136, Mahavir Nagar, Bhopal-462016 40/182, Chitranjan Park, New Delhi-110019 Managing Director, Tandon Consultant (P) Ltd., 17, Link Road, Jangpura Extn., New Delhi-110014 Construma Consultancy (P) Ltd., 2nd Floor, Pinky Plaza, 5th Road, Khar (W), Mumbai-400052 Highway Research Station, Guindy, Madras-600025 Executive Director (B&S) Research Designs & Standards Organisation, Lucknow-226011 Member, National Highway Authority of India,1, Eastern Avenue, Maharani Bagh, New Delhi-11 0065

    (i)

  • IRC:SP:52-1999 23.

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    38.

    1. 2. 3.

    4.

    Shri S.V.R. Parangusam

    Shri P.O. Agarwal

    Shri B.C. Rao

    P.C. Bhasin Shri P.K. Sarmah

    The Chief Engineer (NH), The Secretary to the Govt. of Gujarat,

    The Chief Engineer (R&B),

    The Engineer-in-Chief The Chief Engineer (R) S&R The Director & Head (Civil Engg. ), The Chief Engineer (NH) The Chief Engineer (NH) President, Indian Roads Congress

    Hon. Treasurer Indian Roads Congress

    Secretary, Indian RQ"ads Congress

    N.V. Merani Dr. G.P. Saha Shitala Sharan

    Dr. M.G. Tamhankar

    Chief Engineer (B) South, Ministry of Surface Transport (Roads Wing), New Delhi-11 0001 Chief Engineer (NH), U.P. P.W.D., Lucknow-226001 Chief Engineer, Dy. Director General (Bridges), West Block-IV, Wing 1, R.K. Puram, New Delhi-110066 324, Mandakini Enclave, Greater Kailash-II, New Delhi-11 0019 Chief Engineer, P.W.D. (Roads) Assam, P.O. Chandmari, Guwahati-781 003 P.W.D., B&R Branch, Patiala (H.P. Jamdar) R&B Department, Block No. 14, Sachivalaya Complex, Gandhinagar-382010 (D. Sree Rama Murthy) National Highways, Errum Manzil, Hyderabad-580482 Haryana P.W.D., B&R, Sector-19 B, Chandigarh-160019 Ministry of Surface Transport (Roads Wing), New Delhi-110001 (Vi nod Kumar) Bureau of Indian Standards, Manak Bhavan, New Delhi-110002 Public Works Department, Writers' Building, Block 'C", Calcutta-700001 M.P. P.W.D., '0' Wing, 1st Floor, Bhopal-462004 H.P. Jamdar Ex-Officio Secretary to the Govt. of Gujarat, R&B Department, Block No. 14, Sachivalaya Complex, Gandhinagar-382010 A.D. Narain Ex-Officio DG(RD) & Add!. Secretary to the Govt. of India, Ministry of Surface Transport (Roads Wing), New Delhi S.C. Sharma Ex-Officio Chief Engineer, Ministry of Surface Transport (Roads Wing), New Delhi

    Corresponding Members

    A-47/1344, Adarsh Nagar, Worli, Mumbai-400025 Flat No.4, Kavita, 15th Road, Khar (W), Mumbai-400052 Adviser Consultant, Consulting Engg. Services (I) Pvt. Ltd., 57, Nehru Place, New Delhi-110019 Emeritus Scientist, Structural Engg. Research Centre, 399, Pocket E, Mayur Vihar Phase II, Delhi-110091

    (ii)

  • IRC:SP:52-1999

    BRIDGE INSPECTOR'S REFERENCE MANUAL

    BACKGROUND

    Quite often persons other than bridge engineers have to be asked to inspect the bridges in their jurisdiction to assist the bridge engineers in their inspections. These "other persons" who are called "bridge inspectors" though experienced are not fully qualified engineers. The Bridge Maintenance and Rehabilitation Committee (B-10) of Indian Roads Congress felt that there is a need to prepare reference manual for such bridge inspectors which will in simple terms provide them with information on various components of bridges, the distresses the bridges undergo during the service life time and guidance on what to look for during their inspections and how to record observations made during inspections. The composition of the Committee is as under:

    Bridge Maintenance and Rehabilitation Committee (B-tO)

    A.G. Borkar D. K. Kanhere

    P.c. Bhasin S.S. Chakraborty M.K. Chatterjee A.K. Harit S.G. Joglekar C.V. Kand P.Y. Manjure N.V. Merani O.D. Mohindra

    President, IRC

    Hon. Treasurer, IRC

    Secretary, IRC

    Dr. V. K. Raina M.K. Saxena

    Members

    Convenor Member -Secretary

    M.V.B. Rao Dr. T.N. Subba Rao S.A. Reddi Dr. N.G. Rengaswamy K.B. Sarkar Surjit Singh Dr. M.G. Tamhankar Mahesh Tandon The Director, H.R.S., Chennai

    Ex-Officio Members

    Shri M.S. Guram, Chief Engineer, Punjab PWD, B&R, Patiala Shri A.D. Narain, Director General Road Development & Addl. Secretary, MOST S.c. Sharma, Chief Engineer (Roads), MOST

    Corresponding Members

    S.R. Tambe N.G. Thatte

    M.R. Vinayak The Committee set up a small sub-conunittee with Shri N.V. Merani as the Convenor, the members of this

    sub-committee were as follows :-N.V. Merani A.G. Borkar S.A. Reddi P.Y. Manjure D. K. Kanhere

    Convenor Member Member Member Member

    The draft prepared by the sub-conunittee was discussed in two meetings by the Bridge Maintenance and Rehabilitation Committee (B-10) before the Manual was approved by the Committee on 29-11-96.

    1

  • IRCSP:52-1999

    The draft was approved by the Bridge Specifications & Standards Corrunittee on 12.3.1997, the Executive Corrunittee on 29-3-97 and by the Council of the Indian Roads Congress on 17-4-97.

    1. INTRODUCTION

    1.1 Periodical and a meaningful inspection of highway bridges is an important essential input for any useful and effective bridge management system for ensuring safe and uninterrupted flow of traffic on our highways. Tremendous economic loss and the likely public criticism resulting from any disruption due to the failure of a bridge or its acquiring 'Highly Distressed' status requiring partial closure or load restrictions do not warrant any neglect or laxity in adequate maintenance of bridges and for that purpose regular inspection through well qualified and adequately experienced bridge engineers is essential. It is well understood that all civil engineering structures require regular maintenance and periodical repairs or replacement of some components during their design serviceable life. Considering the astronomical increase in the number of bridges as a result of the rapid development of highways catering to the continuously increasing preference for road transport, the bridge engineer has now far more bridges to inspect than ever before. It has thus become neces

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