Structure selection and design Copyright Prof Schierle 2012 1

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Conceptual design / analysis and testing methods Structure selection and design Copyright Prof Schierle 2012 22
Schematic design Global moment and shear may be used to analyze elements like beam, truss, cable, arch They all resist the global moment by a horizontal couple. The product of couple force F and its lever arm d resist the global moment: M = F d hence F = M / d Designation of force F varies: T (tension), C (compression), H (horizontal reaction). For simple support and uniform load: M = w L2 / 8 V = w L / 2 M = max. global moment V = maximum global shear w = uniform load per unit length L = span For other load or support conditions M and V are computed as for equivalent beams. Structure selection and design Copyright Prof Schierle 2012 23
Page 1 and 2: Structure selection and design Copy
Page 3 and 4: B Morphology Vertical / lateral sys
Page 5 and 6: Horizontal steel systems 1 Flush fr
Page 7 and 8: Span / depth ratios Structure eleme
Page 9 and 10: Girder / beam / joist L/d = 20 Stru
Page 11 and 12: Horizontal elements Span ranges and
Page 13 and 14: ype of Construction examples: ype I
Page 15 and 16: Earthquake Snow Wind Load Condition
Page 17 and 18: Platform framing Heavy timber Heavy
Page 19 and 20: Synergy - a system, greater than th
Page 21: Olympic Dome, Rome Architect: Piace
Page 25 and 26: Radial pressure Referring to A: Rad
Page 27 and 28: Static test model Structure selecti
Page 29 and 30: Bending stress model Unit Strain

Structure selection and design Copyright Prof Schierle 2012 1

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