IS:1343-1980-(Reaffirmed-2004) : Indian standard code of practice for prestressed concrete
Bureau of Indian Standards[BIS]
IS:1343-1980-(Reaffirmed-2004) : Indian standard code of practice for prestressed concrete - New Delhi Bureau of Indian Standards 2004 - 62p.
CONTENTS FOREWORD 6 SECTION 1 GENERAL 1 SCOPE8 2 TERMINOLOGY 9 3 YMBOLS 10 SECTION 2 MATERIALS, WORKMANSHIP, INSPECTION AND TESTING 4 MATERIALS 12 4.1 CEMENT 12 4.2 AGGREGATES 12 4.3 WATER 13 4.4 ADMIXTURES 13 4.5 PRESTRESSING STEEL 13 4.6 UNTENSIONED STEEL 14 4.7 STORAGE OF MATERIALS 14 5 CONCRETE 15 5.1 GRADES 15 5.2 PROPERTIES OF CONCRETE 15 6 WORKABILITY OF CONCRETE 17 7 DURA'BILITY 17 8 CONCRETE Mix PROPORTIONING 18 8.1 Mix PROPORTION 18 8.2 DESIGN Mix CONCRETE 19 9 PRODUCTION AND CONTROL OF CONCRETE 19 9.1 QUALITY OF MATERIALS 19 10 FORMWORK 19 11 ASSEMBLY OF PRESTRESSING AND REINFORCING STEEL 19 11.1 PRESTRESSING STEEL 19 11.2 SHEATHS AND EXTRACT ABLE CORES 22 11.3 REINFORCING STEEL23 12 PRESTRESSING 23 12.1 PRESTRESSING EQUIPMENT23 12.2 PROCEDURE FOR TENSIONING AND TRANSFER 25 12.3 GROUTING 26 13 TRANSPORTING, PLACING, COMPACTING AND CURING28 14 CONCRETING UNDER SPECIAL CONDITIONS 29 14.1 WORK IN EXTREME WEATHER CONDITIONS 29 15 SAMPLING AND STRENGTH TEST OF CONCRETE 29 16 ACCEPTANCE CRITERIA 30 17 INSPECTION AND TESTING OF STRUCTURES 30 SECTION 3 GENERAL DESIGN REQUIREMENTS 18 GENERAL DESIGN REQUIREMENTS30 SECTION 4 STRUCTURAL DESIGN: LIMIT STATE METHOD 19 SAFETY AND SERVICEABILITY REQUIREMENTS 38 19.1 LIMIT STATE DESIGN38 19.2 LIMIT STATE OF COLLAPSE 38 19.3 LIMIT STATES OF SERVICEABILITY 39 20 CHARACTERISTIC AND DESIGN VALUES AND PARTIAL SAFETY FACTORS 40 20.1 CHARACTERISTIC STRENGTH OF MATERIALS 40 20.2 CHARACTERISTIC LOADS 40 20.3 DESIGN VALUES 40 20.4 PARTIAL SAFETY FACTORS 41 21 ANALYSIS 41 21.1 ANALYSIS OF STRUCTURE 41 22 LIMIT STATE OF COLLAPSE 43 22.1 LIMIT STATE OF COLLAPSE: FLEXURE 43 22.2 LIMIT STATE OF COLLAPSE: COMPRESSION 46 22.3 LIMIT STATE OF COLLAPSE: TENSION 46 22.4 LIMIT STATE OF COLLAPSE: SHEAR 46 22.5 LIMIT STATE OF COLLAPSE: TORSION 49 22.6 LIMIT STATE OF SERVICEABILITY: DEFLECTION 52 22.7 LIMIT STATE OF SERVICEABILITY: CRACKING 53 22.8 LIMIT STATE OF SERVICEABILITY: MAXIMUM COMPRESSION 54 APPENDIX A REQUIREMENTS FOR DURABILITY 57 APPENDIX B MOMENTS OF RESISTANCE FOR RECTANGULAR AND T-SECTIONS 59
IS CODE / BIS
IS:1343-1980-(Reaffirmed-2004) : Indian standard code of practice for prestressed concrete - New Delhi Bureau of Indian Standards 2004 - 62p.
CONTENTS FOREWORD 6 SECTION 1 GENERAL 1 SCOPE8 2 TERMINOLOGY 9 3 YMBOLS 10 SECTION 2 MATERIALS, WORKMANSHIP, INSPECTION AND TESTING 4 MATERIALS 12 4.1 CEMENT 12 4.2 AGGREGATES 12 4.3 WATER 13 4.4 ADMIXTURES 13 4.5 PRESTRESSING STEEL 13 4.6 UNTENSIONED STEEL 14 4.7 STORAGE OF MATERIALS 14 5 CONCRETE 15 5.1 GRADES 15 5.2 PROPERTIES OF CONCRETE 15 6 WORKABILITY OF CONCRETE 17 7 DURA'BILITY 17 8 CONCRETE Mix PROPORTIONING 18 8.1 Mix PROPORTION 18 8.2 DESIGN Mix CONCRETE 19 9 PRODUCTION AND CONTROL OF CONCRETE 19 9.1 QUALITY OF MATERIALS 19 10 FORMWORK 19 11 ASSEMBLY OF PRESTRESSING AND REINFORCING STEEL 19 11.1 PRESTRESSING STEEL 19 11.2 SHEATHS AND EXTRACT ABLE CORES 22 11.3 REINFORCING STEEL23 12 PRESTRESSING 23 12.1 PRESTRESSING EQUIPMENT23 12.2 PROCEDURE FOR TENSIONING AND TRANSFER 25 12.3 GROUTING 26 13 TRANSPORTING, PLACING, COMPACTING AND CURING28 14 CONCRETING UNDER SPECIAL CONDITIONS 29 14.1 WORK IN EXTREME WEATHER CONDITIONS 29 15 SAMPLING AND STRENGTH TEST OF CONCRETE 29 16 ACCEPTANCE CRITERIA 30 17 INSPECTION AND TESTING OF STRUCTURES 30 SECTION 3 GENERAL DESIGN REQUIREMENTS 18 GENERAL DESIGN REQUIREMENTS30 SECTION 4 STRUCTURAL DESIGN: LIMIT STATE METHOD 19 SAFETY AND SERVICEABILITY REQUIREMENTS 38 19.1 LIMIT STATE DESIGN38 19.2 LIMIT STATE OF COLLAPSE 38 19.3 LIMIT STATES OF SERVICEABILITY 39 20 CHARACTERISTIC AND DESIGN VALUES AND PARTIAL SAFETY FACTORS 40 20.1 CHARACTERISTIC STRENGTH OF MATERIALS 40 20.2 CHARACTERISTIC LOADS 40 20.3 DESIGN VALUES 40 20.4 PARTIAL SAFETY FACTORS 41 21 ANALYSIS 41 21.1 ANALYSIS OF STRUCTURE 41 22 LIMIT STATE OF COLLAPSE 43 22.1 LIMIT STATE OF COLLAPSE: FLEXURE 43 22.2 LIMIT STATE OF COLLAPSE: COMPRESSION 46 22.3 LIMIT STATE OF COLLAPSE: TENSION 46 22.4 LIMIT STATE OF COLLAPSE: SHEAR 46 22.5 LIMIT STATE OF COLLAPSE: TORSION 49 22.6 LIMIT STATE OF SERVICEABILITY: DEFLECTION 52 22.7 LIMIT STATE OF SERVICEABILITY: CRACKING 53 22.8 LIMIT STATE OF SERVICEABILITY: MAXIMUM COMPRESSION 54 APPENDIX A REQUIREMENTS FOR DURABILITY 57 APPENDIX B MOMENTS OF RESISTANCE FOR RECTANGULAR AND T-SECTIONS 59
IS CODE / BIS