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1 IRC:SP:116-2018 INDIAN ROADS CONGRESS2018 GUIDELINES FORDESIGN AND INSTALLATION OFGABION STRUCTURES(The Official amendments to this document would be published bythe IRC in its periodical, Indian Highways which shall beconsidered as effective and as part of the Code/ GUIDELINES /Manual,etc. from the date specified therein) IRC:SP:116-2018 GUIDELINES FOR DESIGN AND INSTALLATION OF GABION STRUCTURESP ublished by:INDIAN ROADS CONGRESSKama Koti Marg, Sector-6, Puram, New Delhi-110 022 MAY, 2018 Price : ` 600/- (Plus Packing & Postage)IRC:SP:116-2018 First Published : May, 2018(All Rights Reserved.)

2 No part of this publication shall be reproduced, translated or transmitted in any form or by any means without the permission of the Indian Roads Congress)Printed by India Offset Press, Delhi - 110 064500 Copies IRC:SP:116-2018 CONTENTSS. of the Bridges Specifications and Standards of Woven, Double-Twisted Hexagonal Wire mesh Gabions / Revet of Gabion Retaining Specification of Gabion / Revet Mattress for Filling the and Backfill soil Reinforcement Units for Retaining Principle of Gabion Retaining Bay for of of of A Retaining of Active against against against against Internal against Overall / Global Failure327 DESIGN Principle of Gabion / Revet of the Force of Launching Application Carried out under with Deep Built on Loose Rock or Cylindrical Gabion Built on Replaced Methodology Of Causes of Failure of Gabion Retaining Water

3 Installation Sequence for Gabion / Revet of Lifting and Placement of Revet Mattress or Pre-Filled List of Site List for Installation of : Item Description of DT Products51 Annexure-II: Details of Thickness of Gabion Mattress in Relation to Water Velocity54i IRC:SP:116-2018 PERSONNEL OF THE BRIDGES SPECIFICATIONS AND STANDARDS COMMITTEE(as on 23rd October, 2017)1 Kumar, Manoj(Convenor)Director General (Road Development) & Special Secretary to Govt. of India, Ministry of Road Transport and Highways, New Delhi2 Singh, (Co-convenor)Additional Director General, Ministry of Road Transport & Highways, New Delhi3 Verma, (Member-Secretary)Chief Engineer S&R, Ministry of Road Transport & Highways, New DelhiMembers4 Alam, PervezChief Operating Officer, Hindustan Construction Company , Managing Director (Retd.)

4 , UP State Bridge Corporation , (Technical) (Retd.), National Highway Authority of India7 Bansal, ShishirChief Project Manager, Delhi Tourism, DTTDC , AshokManaging Director, CEM Consultant (P) , AlokManaging Director, B&S Engineering Consultants Pvt. Ltd., UP 10 Bordoloi, & Spl. Secretary, & Deptt (Retd.), PWD Assam11 Chand, FaqirAdvisor, STUP12 The CMD, Engg. Proj. (I) Ltd. (Bakshi, )Engineering Project (India) Ltd., New Delhi13 The Director General, BRO (Shrivastava, Lt. Gen. )Border Roads Organization, New Delhi 14 The Director General, INSDAG (Banerjee, Sushim)Institute for Steel Development & Growth (INSDAG), Kolkata15 DheerajSuperintending Engineer, Ministry of Road Transport and Highways, New Delhi16 Dohare, Engineer (Retd.)

5 , Ministry of Road Transport and Highways, New Delhi17 The Engineer-in-Chief, MES (Sharma AVSM, Lt. Gen. Suresh)Military Engineer Service (MES), New Delhi18 Ghoshal, Advisor, STUP Consultants (P) Ltd. Kolkata19 Gupta, Dr. SupraticAsst. Professor, IIT, New Delhi20 Heggade, President, Gammon Engineers & Contractors, Mumbai21 Khanna, ShobhaManager, Metro Rail Corporation 22 Kondai, BikshapathiDirector General, National Academy of Construction, Hyderabad 23 Kumar, AshwaniSuperintending Engineer, Ministry of Road Transport and Highways, New Delhi24 Kumar, SatanderScientist (Retd.), CRRIiiIRC:SP:116-201825 Pandey, Engineer, Ministry of Road Transport and Highways, New Delhi26 Pandey, (Project), National Highway Authority of India (NHAI), NewDelhi 27 Parameswaran, Dr.

6 LakshmyChief Scientist (BAS), Central Road Research Institute (CRRI), New Delhi28 Patankar, (RD)&SS (Retd.), Ministry of Road Transport and Highways, New Delhi29 Pateriya, Dr. (Technical), National Rural Road Development Agency, New Delhi30 Puri, (RD)&SS (Retd.), Ministry of Road Transport and Highways, New Delhi31 Raina, Dr. , World Bank32 Raizada, Pratap Vice President, Gammon India Ltd. Mumbai33 Sharan, (RD)&SS (Retd.), Ministry of Road Transport and Highways, New Delhi34 Sharma, Director, M/s STP Ltd., New Delhi35 Shekhar, SauravDirector, SA Infra Consultants Pvt.

7 Sinha, (RD)&SS (Retd.), Ministry of Road Transport and Highways, New Delhi37 Srivastava, Engineer, Ministry of Road Transport and Highways, New Delhi38 Subbarao, Dr. HarshavardhanChairman & Managing Director, Construma Consultancy (P) Ltd. Mumbai39 Tandon, Mahesh Director, Tandon Consultants (P) Ltd., New Delhi40 Verma, Director, Engineering & Planning Constructions, New DelhiCorresponding Members1 Kand, Sunil , Kand Consultant, Bhopal 2 Koshi, NinanDG(RD)&SS (Retd.), Ministry of Road Transport and Highways, New Delhi3 Manjure, , Freyssinet Prestressed Concrete Company Ltd (FPCC), Mumbai4 Reddi, Dr.

8 JMD GIL5 The Director, SERC, TN(Iyer, Prof. Nagesh R)Ex-Officio Members1 President,Indian Roads Congress(Pradhan, )E-in-C cum Secretary, Works Department, Odisha2 Honorary Treasurer,Indian Roads Congress(Kumar, Manoj)Director General (Road Development) & Spl. Secretary, Ministry of Road Transport and Highways3 Secretary General,Indian Roads CongressNirmal, Sanjay Kumar1 IRC:SP:116-2018 GUIDELINES FOR DESIGN AND INSTALLATION OF GABION STRUCTURESBACKGROUNDThe Foundation, Sub-Structure Protective Works and Masonry Structures Committee (B-3) constituted a sub-committee comprising of the following to draft the document:Shri Sharad PL S.

9 RK Dilip Ratnakar Sarokh sub-committee deliberated extensively and draft was presented before the B-3 Committee several times. The committee finalized the draft GUIDELINES for DESIGN and Installation of Gabion Structure during its meeting held on for placing before the BSS draft was considered by the Bridges Specifications and Standards Committee (BSS) in its meeting held on and approved the document. The document as approved from BSS Committee was placed before the IRC Council in its 213th meeting held on at Bengaluru (Karnataka). The Council approved the Foundation, Sub-Structure Protective Works and Masonry Structures Committee (B-3) of the Indian Roads Congress was constituted in 2015 with the following personnel:Sharma, , Daljeet , Sanjay SecretaryMembersBagali, SharokhGaharwar, Dr.

10 , AshokGanguly, ArindomBongirwar, , , , , S GRana, Dr. SanjayKanhere , Dr. Ray, , DilipSaha, Dr. , Ms. ShobhaSinha, , Dr. RatnakarSrivastava, , , Dr Harshavardhan 2 IRC:SP:116-20181 INTRODUCTIONA Gabion structure is prepared from pre-assembled rectangular cages made of double twisted steel woven wire mesh filled with rocks/ boulders. It is a simple gravity retaining structure, which retains soil with its weight. These types of structures are in use in highways, bridges, canal linings, buildings, shore protection works, etc., as shown in Fig. 1a to d. The porosity of gabions prevents the pore-water pressure development behind the walls which, is one of the major advantages of these kinds of systems.