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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Algebraic Equations for j Determination of loss of Stress in ’ Prestressed Structures and Diagrams for Evaluation
Author(s): Dobrosav Jevtic
Publication: Special Publication
Appears on pages(s): 341-376
Keywords: concretes; cracking (fracturing); deflection; fatigue
(materials); loads (forces); prestressed concrete; prestress loss;
rheological properties; . . stress-strain relationships.
Abstract:The integral relationship between stress and dilatation of concrete has been presented in an algebraic form. This makes the solution of problems for stress changes of concrete structures easy. Expressions for determinations of stress changes in singly reinforced concrete sections on the basis of integral relationship applying the aging theory are given. For determination of stress losses and dilatations, convenient diagrams are presented for single and multilayer reinforced concrete sections.
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