Analysis and Design of Slender Tilt-Up Reinforced Concrete Wall Panels

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Title: Analysis and Design of Slender Tilt-Up Reinforced Concrete Wall Panels

Author(s): K. M. Kripanarayanan and Mark Fintel

Publication: Journal Proceedings

Volume: 71

Issue: 1

Appears on pages(s): 20-28

Keywords: bearing walls;concrete panels;evaluation;footings;moments of inertia; reinforced concrete;slenderness ratio;standards;structural design;tilt-up construction;walls.

Date: 1/1/1974

Abstract:
When slenderness ratios of load-bearing reinforced concrete walls resting on either continious or isolated footings exceed the limits of ACI 318-71 (klu/r 100), a detailed evaluation of slenderness is needed. Using numerical analysis procedures, a systematic accounting of the various factors affecting the behavior of wall panels is presented here, based on a column model of the panel. Also presented in this paper is a typical design aid of a slender wall having a thickness of 5 1/2 in. (14 cm) and resting on continious footings. A rational means of evaulating the effects of isolated footings on the ultimate capacity of the slenderness walls is also indicated along with a design example.