Comparative study of spherical, conical & elliptical domes (Also available on CD)
Saikia, Arnav Jyoti (PT400414)
Comparative study of spherical, conical & elliptical domes (Also available on CD) - 2018 - xii,101p.,CD-ROM
CONTENTS
Abstract iv
Acknowledgement v
Contents vi
List of tables viii
List of figures ix
List of abbreviations xii
1. Introduction 1
1.1. General 1
1.2. Scope of Work 2
2. Literature Review 3
3. Sensitivity Analysis 5
3.1. General 5
3.2. Sensitivity Analysis of Spherical Dome 5
3.3. Sensitivity Analysis of Conical Dome 10
3.4. Sensitivity Analysis of Elliptical Dome 12
4. Domes with Axis along Vertical 14
4.1. General 14
4.2. Analysis of Spherical Domes 14
4.2.1. Geometric Proportioning 14
4.2.2. Analysis of Segmental Dome (φ = 52°) 15
4.2.3. Analysis of Segmental Dome (φ = 71°) 22
4.2.4. Analysis of Hemispherical Dome (φ = 90°) 27
4.3. Conical Domes 33
4.3.1. Geometric Proportioning 33
4.3.2. Analysis of Conical Dome (Rise = 4.88m) 33
4.3.3. Analysis of Conical Dome (Rise = 7.13m) 39
4.3.4. Analysis of Conical Dome (Rise = 10m) 44
4.4. Elliptical Domes 49
4.4.1. Analysis of Elliptical Dome (Rise = 4.88m) 49
4.4.2. Analysis of Elliptical Dome (Rise = 7.13m) 55
4.4.3. Analysis of Elliptical Dome (Rise = 10m) 60
5. Domes with Axis inclined to Vertical 61
5.1. Exploring New Forms of Domes 61
5.1.1. Tilting a Spherical Dome – The Globe Formation 61
5.1.2. Generating the Ice-cream Cone 62
5.1.3. Generating the Cap 63
5.2. Analysis of The Globe 65
5.2.1. STAAD Model 65
5.2.2. Loads & Definition 66
5.2.3. Deflection 67
5.2.4. Plate Stresses 68
5.3. Analysis of The Ice-Cream Cone 70
5.3.1. STAAD Model 70
5.3.2. Loads & Definition 72
5.3.3. Deflection 73
5.3.4. Plate Stresses 74
5.4. Analysis of The Cap 76
5.4.1. STAAD Model 76
5.4.2. Loads & Definition 79
5.4.3. Deflection 81
5.4.4. Plate Stresses 82
6. Design of Domes 85
6.1. Design of Domes 85
6.1.1. Elastic Buckling Strength Check 86
6.1.2. Shell Design 88
6.1.3. Design of Ring Beams of Regular Domes 89
6.1.4. Design of Ring Beams of Irregular Domes 90
7. Conclusion 93
7.1. Interpretetion of Stresses 93
7.2. Comparative Study on Economy 94
References & Bibliography 97
Appendix 98
A. Forces & Displacements in Spherical Domes loaded by edge forces uniform around a parallel circle 98
B. Table -2 , IS: 875 (Part – 2) 99
C. Values of Coefficients C & Q in Ellipsoids 100
SD TH-0209 / SAI
Comparative study of spherical, conical & elliptical domes (Also available on CD) - 2018 - xii,101p.,CD-ROM
CONTENTS
Abstract iv
Acknowledgement v
Contents vi
List of tables viii
List of figures ix
List of abbreviations xii
1. Introduction 1
1.1. General 1
1.2. Scope of Work 2
2. Literature Review 3
3. Sensitivity Analysis 5
3.1. General 5
3.2. Sensitivity Analysis of Spherical Dome 5
3.3. Sensitivity Analysis of Conical Dome 10
3.4. Sensitivity Analysis of Elliptical Dome 12
4. Domes with Axis along Vertical 14
4.1. General 14
4.2. Analysis of Spherical Domes 14
4.2.1. Geometric Proportioning 14
4.2.2. Analysis of Segmental Dome (φ = 52°) 15
4.2.3. Analysis of Segmental Dome (φ = 71°) 22
4.2.4. Analysis of Hemispherical Dome (φ = 90°) 27
4.3. Conical Domes 33
4.3.1. Geometric Proportioning 33
4.3.2. Analysis of Conical Dome (Rise = 4.88m) 33
4.3.3. Analysis of Conical Dome (Rise = 7.13m) 39
4.3.4. Analysis of Conical Dome (Rise = 10m) 44
4.4. Elliptical Domes 49
4.4.1. Analysis of Elliptical Dome (Rise = 4.88m) 49
4.4.2. Analysis of Elliptical Dome (Rise = 7.13m) 55
4.4.3. Analysis of Elliptical Dome (Rise = 10m) 60
5. Domes with Axis inclined to Vertical 61
5.1. Exploring New Forms of Domes 61
5.1.1. Tilting a Spherical Dome – The Globe Formation 61
5.1.2. Generating the Ice-cream Cone 62
5.1.3. Generating the Cap 63
5.2. Analysis of The Globe 65
5.2.1. STAAD Model 65
5.2.2. Loads & Definition 66
5.2.3. Deflection 67
5.2.4. Plate Stresses 68
5.3. Analysis of The Ice-Cream Cone 70
5.3.1. STAAD Model 70
5.3.2. Loads & Definition 72
5.3.3. Deflection 73
5.3.4. Plate Stresses 74
5.4. Analysis of The Cap 76
5.4.1. STAAD Model 76
5.4.2. Loads & Definition 79
5.4.3. Deflection 81
5.4.4. Plate Stresses 82
6. Design of Domes 85
6.1. Design of Domes 85
6.1.1. Elastic Buckling Strength Check 86
6.1.2. Shell Design 88
6.1.3. Design of Ring Beams of Regular Domes 89
6.1.4. Design of Ring Beams of Irregular Domes 90
7. Conclusion 93
7.1. Interpretetion of Stresses 93
7.2. Comparative Study on Economy 94
References & Bibliography 97
Appendix 98
A. Forces & Displacements in Spherical Domes loaded by edge forces uniform around a parallel circle 98
B. Table -2 , IS: 875 (Part – 2) 99
C. Values of Coefficients C & Q in Ellipsoids 100
SD TH-0209 / SAI