Changes in the Forthcoming Revised ACI Building Code Relative to Structural Lightweight Concrete

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Title: Changes in the Forthcoming Revised ACI Building Code Relative to Structural Lightweight Concrete

Author(s): Robert E. Tobin, Thomas A. Holm, Paul G. Rasmussen, and Ralph N. McManus

Publication: Special Publication

Volume: 29

Issue:

Appears on pages(s): 71-80

Keywords: bond (concrete to reinforcement); building codes; deflection; diagonal tension; flexural strength; lighweight aggregate concretes; quality control; reinforced concrete; shear properties; structural design

Date: 1/1/1971

Abstract:
A brief history of the evolution of structural lightweight concrete in building codes is presented. The special provisions for structural lightweight concrete contained in ACI 318-63 have been extended and modified in ACI 318-71. These changes, particularly with regard to quality control, deflection, flexural strength, diagonal tension, and development length are discussed.