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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.
Showing 1-5 of 17 Abstracts search results
Document:
SP133-05
Date:
September 1, 1992
Author(s):
B. Vijaya Rangan
Publication:
Symposium Papers
Volume:
133
Abstract:
The paper presents a summary of treatment of serviceability design in the current Australian Code, AS 3600-1988. The backgrounds to the code rules with regard to control of deflection and crack widths are presented. The provisions for durability design of concrete structures are also discussed.
DOI:
10.14359/3148
SP133-06
Andrew Scanlon and Libanio Pinheiro
The treatment of design for deflection control in current practice is empirical, and relies largely on allowable computed deflections that were established on the basis of experience gained at a time when deflection control was not a critical issue in most cases. In this paper the current deterministic approach to deflection control is compared with design for safety, which is based on probability considerations.
10.14359/3154
SP133-07
Stephen J. Sopko
Reinforced concrete floor systems must be analyzed for deflections to minimize serviceability problems such as excessive deflections. Member depths should be based on serviceability requirements as well as stress, especially when long-term deflection must be considered. The ACI equations for member depth may not always be adequate to prevent excessive long-term deflections of reinforced concrete floor members where heavy sustained loads are present. Two case studies are presented focusing on floor systems which have exhibited excessive deflections. From this investigation and analysis, proper design, detailing, and construction practices will be discussed to minimize serviceability problems. Care must be taken in analyzing and designing floor systems which support heavy sustained loadings or masonry.
10.14359/3159
SP133-12
Dan M. Frangopol
A formulation is presented for extending structural system design concepts from safety and serviceability to damage tolerability. The assumptions necessary to implement damage tolerability concepts in structural system design are explained using both deterministic and probabilistic approaches. A particular emphasis is placed upon redundancy measures and their use in system damage-tolerant optimum design. Examples of solutions for optimum system design for safety, serviceability, and damage tolerability are presented.
10.14359/3163
SP133-14
W. B. Cranst
The introduction of limit state design into the UK code for structural concrete in the 1960s is reviewed. The objections and controversies aroused are described. A selection of probability studies carried out in the interim is discussed and a possible way forward is outlined.
10.14359/3168
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