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International Concrete Abstracts Portal

Showing 1-5 of 21 Abstracts search results

Document: 

SP38-05

Date: 

January 1, 1973

Author(s):

P.K. Mehta, George Lesnikoff

Publication:

Symposium Papers

Volume:

38

Abstract:

In this investigation commercially available samples of shrinkage-compensating cements, Type K, Type M, and Type S, were examined with regards to hydration reactions, and their influence on the physical properties.

DOI:

10.14359/17200


Document: 

SP38-17

Date: 

January 1, 1973

Author(s):

Masatane Kokubu

Publication:

Symposium Papers

Volume:

38

Abstract:

This paper describes the results of experiements on expansive concretes made with additions of expansive components at time of mixing, summarizes the results of practical usuage of expansive concretes in numerous structures, discusses the results of studies on use of expansive components and concludes that all of the aims projected had been attained regardless of ambient termperature, degree of dryness or wetness, type of cement and concrete mix proportion.

DOI:

10.14359/17212


Document: 

SP38-03

Date: 

January 1, 1973

Author(s):

P.K. Mehta

Publication:

Symposium Papers

Volume:

38

Abstract:

Slump loss or premature stiffening of cement concrete is generally caused by rapid precipitation of cement hydration products. As compared with portland cements, the expansive cements usually cause greater slump loss due to formation of larger volume of hydration products, such as ettringite and gypsum, during early stages of the hydration process.

DOI:

10.14359/17198


Document: 

SP38-10

Date: 

January 1, 1973

Author(s):

Milos Polivka, Cedric Willson

Publication:

Symposium Papers

Volume:

38

Abstract:

Shrinkage-compensating concretes are now extensively used by the construction industry to minimize cracking of the concrete due to drying shrinkage. These concretes are designed to delveop, during the curing period, a level of compressive stress which will be partially or totally relieved during subsequent drying shrinkage, but which will prevent formation of high tensile stresses causing cracking.

DOI:

10.14359/17205


Document: 

SP38-06

Date: 

January 1, 1973

Author(s):

Shu-T'ien Li, V. Ramakrishnan

Publication:

Symposium Papers

Volume:

38

Abstract:

Presents a comparative study of expansion-shrinkage characteristics of gap-graded and continuously-graded shrinkage-compensating Type-K cement concretes.

DOI:

10.14359/17201


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