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SPECIFICATIONS FOR RAILWAY FORMATION

For official use only GOVERNMENT OF INDIA MINISTRY OF RAILWAYS Draft SPECIFICATIONS FOR RAILWAY FORMATION Specification No. RDSO/2018/GE: IRS-0004 (D) July 2018 Geo-technical Engineering Directorate, Research Designs and Standards Organisation Manak Nagar, Lucknow 11 SPECIFICATIONS For RAILWAY FORMATION CONTENTS SN TITLE PAGE 1 Preamble 1 2 Terminology 2 3 FORMATION Components 3 4 Soil Classification 4 5 Materials for FORMATION and Soil encountered in Cutting 6 6 Suitability of subsoil 7 7 Execution of Earthwork 7 8 Blanket Layer 8 9 Thickness and SPECIFICATIONS of FORMATION Layers 9 10 Quality control of Earthwork 20 11 Slope stability criteria and conditions 26 12 Erosion control measure methods on Embankment and slopes 26 13 Maintenance of records 28 14 Miscillaneous Points 28 15 Bibliography & References APPENDIX-A: Soil Exploration & Survey 31 APPENDIX-B: Slope Stability Analysis Method 36 APPENDIX-C.

Specifications for design of formation for Heavy Axle Load GE: G-14, November 2009, cater for construction of formation along with other Guidelines i.e. erosion control, widening of formation in gauge conversion etc. Guidelines GE: G-1 was issued for 22.5T axle load mainly, whereas

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