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Architecture 324Structures II

Tower Project

• Criteria• Calculations• Testing• Report• Examples

– Eiffel– Trussed Frames– Shukhov

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Architecture 324 Structures II 2019

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Criteria

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Procedure

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Analysis

Use NDS approach

Find load P and stress F’c for each member

Use 1.0 for all factors except CP

Analysis Capacity Design

* www.matweb.com** tested by PvB

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Buckling modes• Member buckling

• Tower buckling

The lesser of the two controls

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Buckling modesMember buckling

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Buckling modesTower buckling

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Dr. Frame 2D

• Material properties

– Provided test values

– NDS

– Other (online)

• Member dimensions

– Use actual dimensions

• Connections

– Use pinned connections

• Second order analysis

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Optimal Topologies

Form Exploration and GA-Based Optimization of Lattice Towers Comparing with Shukhov Water Tower

(A Khodadadi, 2014)

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Gustave Eiffel tower

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Eifel

1868-71

1886-89

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Alexander Graham Bell

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Pforzheim towers

Büchenbronn 1883 25m Hohe Warte 2002 40m

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Vladimir Shukhov1853-1939

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Vladimir Suchov

High tension power line towerson the Oka, 1927-1930114 m

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Vladimir Suchov

High tension power line towerson the Oka, 1927-1930

114 m

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Jörg Schlaich

Killesbergturm, Stuttgart 2001

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