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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 21 Abstracts search results
Document:
SP62-04
Date:
January 1, 1979
Author(s):
H. Kasami, T. Ikeda, and S. Yamane
Publication:
Symposium Papers
Volume:
62
Abstract:
For the last few years, study and practice on superplasticized concrete have been conducted in order to reduce water content in high-slump concrete commonly used for building construction in Japan. This report discusses properties of superplasticized concrete containing naphthalene-sulphonate-formaldehyde consdensate superplasticizer and describes the state-of-art of superplasticized concrete in Japan.
DOI:
10.14359/17719
SP62-01
P.C. Hewlett
The meaning of the term superlasticised concrete and the concept to which it relates together with a brief outline of its development are described. Comparisons are made with this type of concrete and that regarded as conventional. Distinction is made between high workability/normal water content concrete as opposed to high strength/low water:cement ratio concrete.
10.14359/17716
SP62-03
Kenichi Hattori
In this paper, the author reports on the 14 year's experiences in Japan wihth formaldehyde high condensate of beta-napthalene sulfonate (beta-NSFHC) which later became known as Mighty, since its commerical advent in 1964. The subjects described in this paper are as follows: 1) Brief history of the invention and the development. 2) Mechanism of dispersing cement particles by beta-NSFHC. 3)Production of high strength concrete by the use of beta-NSFHC. 4) Physical properties of high strength concrete thus produced. 5) Durability of concrete containing beta-NSFHC. 6) Biological safety. 7) Examples of the field practice of high strength and flowing concrete.
10.14359/17718
SP62-17
R.C. Valore, W. Kudrenski, and D.E. Gray
Functional water-reducing admixtures provided water reduction up to 30 percent in portland cement-fly ash concretes with binder contents of 740-770 pcy (440-455 kg/m3), calcareous sand, and dolomitic limestone coarse aggregates.
10.14359/17732
SP62-12
V.M. Malhotra and D. Malanka
Superplasticizers are new types of water reducers which when added to concrete, cause large increases in its workability. The introduction of these water reducers has opened up new possibilites for concrete in construction. This report gives results of a laboratory investigation to determine the performance of superlasticizers in high-strength concrete with a water-cement ratio of 0.42.
10.14359/17727
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