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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 14 Abstracts search results
Document:
SP29-03
Date:
January 1, 1971
Author(s):
Donal W. Pfeifer and Eivind Hognestad
Publication:
Symposium Papers
Volume:
29
Abstract:
Tests were made at the Portland Cement Association Laboratories regarding the elastic and time-dependedt shortening of reinforced lightweight concrete columns which were fabricated and loaded to simulate construction conditions encountered in a 50-story concrete building 714 ft (218 m) tall. The measured data from these incrementally loaded columns show low creep when the load is applied at a realistic rate. A 3-year field investigation of the actual structure will be undertaken and comparision between laboratory and field data will be made. Such comparisions wil provide data toward developing improved design concepts for ultra-high-rise concrete buildings.
DOI:
10.14359/17832
SP29-12
George C. Hoff
Low-density concretes having an oven-dry unit weight of 50 lb per cu ft or less have been successfully used as backfills for lined tunnels. . .Because of the permeable nature of these concretes, free water contact situations should be avoided. Suggestions for avoiding most problem areas are provided.
10.14359/17841
SP29-11
The current design concepts for some aspects of civilian and military construction include the provision for low-density concretes where the functional use of these concretes is for energy absorption, shock-wave reflection, controlled crushing strength levels, and large deformation capabilities. . .Special physical properties, determined when the concrete was in a constrained condition, are discussed and related to other physical property parameters.
10.14359/17840
SP29-10
A.H. Gustaferro, M.S. Abrams, and A. Litvin
This paper presents data on the fire resistance of concretes having oven dry unit weights in the range of 30 to 100 lb per cu ft (500 to 1600 kg/m3). . .Design charts for estimating the fire endurance of two-cource floors and roofs are discussed. Relationships between moisture content and relative humidity of fire test specimens are presented.
10.14359/17839
SP29-07
Boris Bresler
The paper deals with deformation and strength of short lightweight aggregate reinforced concrete columns under combined axial load and bending.
10.14359/17836
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