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International Concrete Abstracts Portal

Showing 1-5 of 14 Abstracts search results

Document: 

SP25-12

Date: 

January 1, 1971

Author(s):

William O. Tynes

Publication:

Symposium Papers

Volume:

25

Abstract:

Temperature rise of 11 mixtures, seven containing relatively large amounts of pozzoloan with relatively small amounts of portland cement, and nine with chemical admixutres, was investigated.

DOI:

10.14359/17341


Document: 

SP25-11

Date: 

January 1, 1971

Author(s):

Dan Ravina and Rahel Shalon

Publication:

Symposium Papers

Volume:

25

Abstract:

The effect of temperature on strength of Portland cements was investigated in series of tests made on concretes cast and cured 24 hr in open molds, in still air at 40 C (104 F) and 45 percent R.H. and mortars cast and cured 24 hr in closed molds at temperatures ranging from 15 C (59 F) to 45 C (113 F).

DOI:

10.14359/17340


Document: 

SP25-10

Date: 

January 1, 1971

Author(s):

Roman Malinowski

Publication:

Symposium Papers

Volume:

25

Abstract:

Volume changes due to thermal expansion, and the contraction as well as the strength of heat-cured cement mortar were studied.

DOI:

10.14359/17339


Document: 

SP25-09

Date: 

January 1, 1971

Author(s):

Josef Eisenmann

Publication:

Symposium Papers

Volume:

25

Abstract:

Measurements taken at four different road section locations show that if there is a temperature differential between the top and bottom of a concrete pavement slab there is a tendency for the slab to curl. When this curling tendency is restrained, as by the weight of the slab itself, large stresses can be created.

DOI:

10.14359/17338


Document: 

SP25-08

Date: 

January 1, 1971

Author(s):

Carl Berwanger

Publication:

Symposium Papers

Volume:

25

Abstract:

The dynamic modulus of the concrete and the coefficent of expansion of concrete and reinforced concrete slabs have been determined in the tests reported.

DOI:

10.14359/17337


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