Lecture_17

34 2 o space truss analogy fig 34 3 steel

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Unformatted text preview: 2. o Space truss analogy (Fig. 3.4-3) Steel reinforcement − tension members Concrete – compressive struts between links 141 Closed links Longitudinal bars Fig. 3.4-2 Torsional reinforcement ⎧ yielding of reinfocement ⎪ coupled with o Failure will eventually occur by ⎨ . ⎪crushing of the concrete ⎩ Fig. 3.4-3 Truss action o It is assumed that tension reinforcement in the form of closed links must be provided to resist the full torsional moment. Then, 142 Torsional force in a two-leg link: F =...
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