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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:
SP25-01
Date:
January 1, 1971
Author(s):
Nikolai G. Zoldners
Publication:
Symposium Papers
Volume:
25
Abstract:
Thermal properties of concrete are defined and thermal expansion and thermal conductivity of cement paste, aggregate, mortar and concrete are discussed in detail.
DOI:
10.14359/17330
SP25-06
T .E. Northup and F.S. Ople, Jr.
Results of elevated temperature tests on a one-quarter scale prestressed concrete reactor vessel (PCRV) model are reported. The long-terms behavior of the PCRV model was evaluated for sustained temperatures up to 140 F (60 C). Major emphasis was placed on the creep of concrete subjected to complex mechanical and thermal loading conditions.
10.14359/17335
SP25-05
Karim W. Nasser
Test results are presented of the creep, strength, elasticity and creep recovery of mass concrete which was tested in the temperature range of 35-205 F and under stress-strength ratios of 10-70 percent. Creep was enhanced by temperature but strength, elasticity and creep recovery were independent of its effects. The relation of creep to stress-strength ratio in the range of 10-70 percent was linear. Discussion of a hypothesis of the creep mechanism is also presented.
10.14359/17334
SP25-04
P.J. Sullivan and Mellor P. Poucher
Mortar and plain concrete beams were subjected to mechanical load cycles in bending and various types of thermal cycles in the range 20 C to 400 C. From measurements of longitudial length changes, beam deflections, and load holding capacity of the beams, comparisions are made between mortar and concrete for thermal expansion, modulus of elasticity, creep deflections, and ultimate load for three types of thermal cycles.
10.14359/17333
SP25-03
D.R. Lankard, D.L. Birkimer, F.F. Fondriest, and M.J. Snyder
This work was undertaken as part of a study to investigate the effects of sustained elevated temperatures on portland cement concrete as related to its use in a prestressed-concrete-pressure-vessel-reactor.
10.14359/17332
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