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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.
Showing 1-5 of 16 Abstracts search results
April 1, 1986
Raymond A. Jurewicz.
Personal injury due to construction accidents inflict pain and suffering on the hapless victim and costs the construction industry billions of dollars annually. Recognizing the hazards and utilizing practical solutions can reduce this human and monetary waste. This paper deals with formwork safety from the view of working conditions and the necessary work operations that must be accomplished to install and strip formwork. It does not deal with formwork failures or the causes of these failures. The paper covers general hazards as well as the specific hazards associated with various formwork systems. Solutions to minimize risks associated with the various hazards are recommended. Various ways to develop safety awareness are also discussed.
W.. Thomas Scott
As the speed of construction of concrete frame structures has increased and the sophistication of design has improved, there has been an increased need for a more thorough understanding as to the way construction loads are disbursed into the structure. During the 60's and 70's, several designers and researchers proposed methods of analyzing the loads in multistory structures during construction. A computer program employing one of these methods has been developed. In the 1982 PCA conference the author used the results of this proqram to show how the number of levels of equipment, cycle time, and attained concrete strength affected the number of levels of reshores required. This paper describes in detail the process used to calculate the reshorinq requirements for a 35 story flat plate structure built using a three day construction cycle. The discussion includes the practical implications of providing reshorinq for a mild steel structure. The hand calculation procedure presented parallels the computer program and is sufficiently detailed to provide the reader a practical procedure that can be used on the next project.
Editor: William C. Panarese
A collection of 15 papers dealing with concrete formwork, this volume will prove invaluable to designers and constructors alike. With formwork representing anywhere from 35 to 60 percent of the cost of a concrete structure, formwork should be carefully considered when selecting building designs, layouts, structural member sizes and construction methods. Forming Economical Concrete Buildings will offer the reader substantial savings through the integration of the forming system into the total building process. Key subjects include: challenges in making concrete economical, effect of form tie selection on project cost; and quality management of accelerated construction.
Architectural concrete was selected as the material for all the prime public spaces in the New York Exposition and Convention Center. A construction oriented design provided the basis for high-quality formwork and finish on a fast-track, construction-managed, and government-owned job. Drawings, specifications, and on-site inspection requirements for a large scale, architectural concrete building are discussed using this job as an example. Construction progress is highlighted with particular emphasis on formwork in the context of architectural design, sequence of construction, reinforcing bar design, and quality control.
Harry B. Lancelot.
Dowel bar substitution is a new phrase but not a new solution. The technique provides a productive means of splicing across construction joints. Examples of the application are shown and discussed in this article.
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