IITK-GSDMA guidelines for seismic evaluation and strengthening of buildings : provisions with commentary and explanatory examples
Material type:
TextPublication details: Kanpur National Information Center of Earthquake Engineering, Indian Institute of Technology 2007Description: xi,124,ipDDC classification: - 624.1762 IITK
| Item type | Current library | Collection | Call number | Status | Notes | Date due | Barcode | Item holds | |
|---|---|---|---|---|---|---|---|---|---|
| Book | CEPT Library | Faculty of Technology | 624.1762 IITK | Available | Status:Catalogued;Bill No:GRATIS | 006670 |
CONTENTS PART 1 : Guidelines and Commentary 1. GENERAL. 1.1 PURPOSE 1 1.2 SCOPE 1 2. REFERENCES 3 3.TERMINOLOGY 5 4. LIST OF NOTATIONS 11 5. EVALUATION CRITERIA 13 5.1 GENERAL 13 5.2 LOAD MODIFYING FACTOR 13 5.3 EVALUATION PROCESS 15 6. PRELIMINARY EVALUATION 17 6.1GENERAL 17 6.2 SITE VISIT 17 6.3 ACCEPTABILITY CRITERIA 18 6.4 CONFIGURATION-RELATED CHECKS 18 6.4.1 Load Path 18 6.4.2 Redundancy 19 6.4.3 Geometry 20 6.4.4 Mezzanines/Loft/Sub-floors 21 6.4.5 Weak Storey 21 6.4.6 SoftStorey 22 6.4.7 Vertical Discontinuities 23 6.4.8 Mass 24 6.4.9 Torsion 25 6.4.10 Adjacent Buildings 26 6.4.11 Short Columns 27 6.5 STRENGTH-RELATED CHECKS 28 6.5.1 Shear Stress in RC Frame Columns 29 6.5.2 Shear Stress in Shear Walls 29 6.5.3 Shear Stress Check for RC masonry infill walls 30 6.5.4 Axial Stress in Moment Frames 30 6.5.5 Recommendation for Detailed Evaluation 30 7. DETAILED EVALUATION 32 7.1 GENERAL 32 7.1.1 Condition of the Building components 32 7.1.2 Condition of the Building Materials 33 7.2 EVALUATION PROCEDURE 34 7.2.1 Probable Flexure and Shear Demand and Capacity 34 7.2.2 Design Base Shear 34 7.2.3 Analysis Procedure 35 7.2.4 Demand-Capacity Ratio 35 7.2.5 Inter-Story Drift 35 7.3 ACCEPTABILITY CRITERIA 36 7.4 SUPPLEMENTAL EVALUATION 36 7.4.1 Moment Resisting RC Frame Buildings 36 7.4.2 Concrete Shear Wall Buildings 42 7.4.3 RC Frames with Masonry Infill Walls 43 7.4.4 Unreinforced Masonry Bearing Wall Buildings with Stiff Diaphragms 44 7.4.5 Unreinforced Masonry Bearing Wall Buildings with Flexible Diaphragms 49 8. SEISMIC STRENGTHENING 55 8.1 GENERAL 55 8.2 SEISMIC STRENGTHENING OPTIONS AND STRATEGIES 55 8.2.1 Strengthening at Member Level 55 8.2.2 Eliminating or Reducing Structural Irregularities 56 8.2.3 Strengthening At Global Level 57 8.2.4 Supplemental Damping and Isolation 57 8.3 METHODS OF ANALYSIS AND DESIGN FOR STRENGTHENING 58 8.3.1 Design Criteria 58 8.3.2 Member Capacities 59 8.3.3 Analysis Options 59 8.4 STRENGTHENING OPTIONS FOR RCFRAMED STRUCTURES 59 AI.1 CROSS WALLS 68 Al.2 FLEXIBLE DIAPHRAGMS71 Al.3 SHEAR WALLS (IN-PLANE LOADING)77 Al.4 WALL ANCHORAGE 78 APPENDIX Cl 79 PART 2 : Explanatory Examples
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