Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Oscar R. Batic"'
Publikováno v:
Materiales de Construccion, Vol 38, Iss 212, Pp 21-35 (1988)
The increase of active mineral admixtures consumption in contemporaneous cementiceous materials has stablished revision of some test methods. In the evaluation of blended cement durability, many accelerated tests of large application in portland ceme
Externí odkaz:
https://doaj.org/article/3a355b23c4ff4edd999419728ee9ac72
Autor:
Edgardo F. Irassar, Oscar R. Batic
Publikováno v:
Materiales de Construccion, Vol 39, Iss 213, Pp 11-20 (1989)
Low calcium fly ash has demonstrated to be an effective pozzolan to improve sulfate resistance of ordinary portland cement (type I). In this paper physico-chemical effects that produce this pozzolan in the mortar exposed to sulfate attack are studied
Externí odkaz:
https://doaj.org/article/898b429f9dac4719a6f98205dd0041d7
Publikováno v:
Cement and Concrete Research. 38:993-1004
Alkali-silica reaction (ASR) can induce the premature distress and loss in serviceability of concrete structures. The internal crack pattern produced by ASR affects both transport and mechanical properties. Usually linear expansions are considered as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3acd26edb82412bc987de67b1f9e2ea5
https://doi.org/10.1016/j.cemconres.2008.02.009
https://doi.org/10.1016/j.cemconres.2008.02.009
Autor:
Oscar R. Batic, J.M. Ponce
Publikováno v:
Cement and Concrete Research. 36:1148-1156
The alkali-silica reaction (ASR) is caused by the presence of reactive aggregates in contact with sufficiently alkaline pore solution and a moisture level above 80%, which leads to the formation of expansive products that cause cracking and deteriora
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf17d77d2b33481d657f67c67df6832a
https://doi.org/10.1016/j.cemconres.2005.12.022
https://doi.org/10.1016/j.cemconres.2005.12.022
Publikováno v:
Cement and Concrete Research. 28:189-196
The purpose of this work is to attempt to establish the relationship between the chemical elements leached out of basaltic rocks and the expansion measured on mortar bars by the ASTM C9 P214 method. Seventeen basalt samples from different locations i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5ad8a5029d17b09f68f30b507fc5b4d
https://doi.org/10.1016/s0008-8846(97)00249-4
https://doi.org/10.1016/s0008-8846(97)00249-4
Publikováno v:
CIC Digital (CICBA)
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron:CICBA
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron:CICBA
Three dolomitic rocks from Argentina were studied under different test conditions (ASTM C 586, ASTM C 227, CSA A23.2–14A, powdered rock samples immersed in strong alkali solutions). X-ray diffraction (XRD), optical microscopy (OM) and scanning elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63a4b4c7ce008014a0bab77df6c21beb
https://doi.org/10.1016/0008-8846(96)00140-8
https://doi.org/10.1016/0008-8846(96)00140-8
Publikováno v:
Cement and Concrete Research. 26:113-123
The sulfate resistance of concretes containing fly ash, natural pozzolan and slag is investigated in a field test in which concrete specimens were half-buried in sulfate soil for five years. Mineral admixtures were used as a partial replacement for o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a82eeab2280ff39c2f4a66602b03fca
https://doi.org/10.1016/0008-8846(95)00195-6
https://doi.org/10.1016/0008-8846(95)00195-6
Rice-husk ash (RHA) is a supplementary cementing material of great interest in many developing countries. Before using in concrete the rice husk needs to be burnt at a controlled temperature. In other conditions a residual RHA is obtained with a lowe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc4be88195f22f5d1c15cfd22b884655
https://www.sciencedirect.com/science/article/pii/S0950061812002516
https://www.sciencedirect.com/science/article/pii/S0950061812002516
Publikováno v:
Cement and Concrete Research. 24:1073-1084
This paper describes a series of studies conducted with the aim of evaluating the deleterious alkali susceptibility of carbonate rocks used in portland cement concrete manufacture. These studies have shown the existence of argillaceous dolomitic rock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8abf5c8ac08939c079185526c903063b
https://doi.org/10.1016/0008-8846(94)90031-0
https://doi.org/10.1016/0008-8846(94)90031-0
Publikováno v:
Cement and Concrete Research. 24:1317-1326
In Argentina there are large quarries of basaltic rocks that are used as concrete aggregate. Some structures, made with basalts from the quarries in the Northwest, have shown signs of Alkali Silica Reaction (ASR). This paper presents the results of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee3da428f4a4bb8b3fd699875306303d
https://doi.org/10.1016/0008-8846(94)90117-1
https://doi.org/10.1016/0008-8846(94)90117-1