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Home > Publications > International Concrete Abstracts Portal
Showing 1-5 of 16 Abstracts search results
Document:
SP90-08
Date:
April 1, 1986
Author(s):
M. K. Hurd and P. D. Courtois
Publication:
Symposium Papers
Volume:
90
Abstract:
Presents a basic analytical method for shoring and re-shoring loads of multistory buildings. Discusses the factors that must be considered, the assumptions for simplification of the analysis and shows the method for determining the estimated loads that will be transferred to the structure. Presents the procedure required to determine the ability of the structure to resist the estimated loads with an appropriate safety factor and the adjustments to the construction procedure that must be made in the event the applied loads are in excess of the capacity of the structure.
DOI:
10.14359/10061
SP90-10
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.
10.14359/10062
SP90-01
Russel S. Fling
Economy in concrete construction is discussed in light of 3 challenges: 1) the challenge of economizing design, 2) the challenge of economizing construction, and 3) the challenge of standardizing construction. Procedures engineers may use to reduce the cost of construction are given. Suggestions for standardizing concrete construction include standards for concrete classes, column sizes, column spacing, column capitals, and tolerances.
10.14359/1765
SP90-02
Jerome H. Ford
The density of well-designed and compacted concrete directly reflects the density of the facing material of the formwork. Therefore, high-density plastics and high-density overlaid plywoods produce the most consistent concrete color, texture, and density over multiple uses providing a few do's and don'ts are considered. These do's and don'ts can be consolidated into the desire of all involved: designer, contractor and supplier, wanting to make it work and look good. All rules and regulations are worthless unless everyone involved wants to produce quality.
10.14359/1766
SP90-03
Eliot Locitzer
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.
10.14359/1767
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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.
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