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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Effect of Loading Type on the Effective Moment of Inertia of Reinforced Concrete Beams
Author(s): Rajeh Z. Al-ZaidD, Abdulrahman H. Al-Shaikh, and Mustafa M. Abu-Hussein
Publication: Structural Journal
Appears on pages(s): 184-190
Keywords: beams (supports); deflection; load-deflection curve; loads (forces); moments of inertia; reinforced concrete; Structural Research
Abstract:The deflection of cracked reinforced concrete beams tested under various types of loading is investigated, and the effect of the type of loading on their effective moment of inertia is discussed. Four types of loading were considered in this study, which include: midspan and third-point concentrated loads, uniformly distributed load, and a combination of midspan concentrated and uniformly distributed loads. The value of the effective moment of inertia was found to be significantly affected by the type of loading used. Therefore, to account for such an effect, a newly developed model for estimating the effective moment of inertia of cracked reinforced concrete beams under any type of symmetrical loading is proposed.
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