IRC:SP:116-2018
                                                                         GUIDELINES  
                                                                              FOR
                                                              DESIGN AND INSTALLATION OF
                                                                    GABION STRUCTURES
             (The Official amendments to this document would be published by
               the IRC in its periodical, ‘Indian Highways’  which shall be
             considered as effective and as part of the Code/Guidelines/Manual,
                     etc. from the date specified therein)
                                                                    INDIAN  ROADS  CONGRESS
                                                                               2018
       IRC:SP:116-2018
                      GUIDELINES FOR  
               DESIGN AND INSTALLATION OF  
                   GABION STRUCTURES
                          Published by:
                   INDIAN ROADS CONGRESS
                          Kama Koti Marg, 
                        Sector-6, R.K. Puram, 
                         New Delhi-110 022
                           MAY, 2018
                                               Price : ` 600/- 
                                         (Plus Packing & Postage)
           IRC:SP:116-2018
           First Published       :   May, 2018
                       (All Rights Reserved. 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 - 110 064
                                                     500 Copies
           IRC:SP:116-2018
                                                CONTENTS
            S. No.                               Description                                Page  
                                                                                             No.
                    Personnel of the Bridges Specifications and Standards Committee          i-ii
                    Background                                                                1
              1.    Introduction                                                              2
              2.    Scope                                                                     3
              3.    Elements of Gabion                                                        3
                    3.1      Mechanically Woven, Double-Twisted Hexagonal Wire Mesh Gabions   3
                    3.2      Polymeric Gabions                                                4
                    3.3      Revet Mattress                                                   5
                    3.4      Prefilled Gabions / Revet Mattress                               6
              4.    Components of Gabion Retaining Wall                                       6
                    4.1      Technical Specification of Gabion / Revet Mattress Mesh          6
                    4.2      Rocks for Filling the Gabion                                    11
                    4.3      Filter Media                                                    12
                    4.4      Foundation and Backfill soil properties                         15
              5.    Soil Reinforcement Units for Retaining Structure                         16
              6.    Design Principle of Gabion Retaining Wall                                20
                    6.1      Drainage Bay for Gabion                                         22
                    6.2      Base Width                                                      23
                    6.3      Embedment Depth                                                 23
                    6.4      Batter Angle                                                    23
                    6.5      Loading                                                         23
                    6.6      Porosity of Gabion                                              24
                    6.7      Extent of Backfill                                              24
                    6.8      Stability of A Retaining Structure                              24
                    6.9      Determination of Active Thrust                                  26
                    6.10     Safety against Sliding                                          27