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Relationship between liquid sorptivity and capillarity in concrete
Neutron radiography (NR) was applied to study liquid transport processes in concrete. With this method, it is possible to monitor the liquid distribution inside specimens and to measure the height of the liquid front for liquids of high hydrogen content inside concrete. The experiment was performed with water and fuel oil for three different types of concrete. The results are compared with the sorptivity measured by the gravimetric method. It is shown that the ratio between the capillarity coefficient and sorptivity depends upon the combination of liquid and solid phases. For water, this value was found to be 5.5+/-0.6, 5.8+/-0.6 and 7.1+/-0.7 in concrete without additives, concrete with an air-entraining agent and concrete with a plasticizer, respectively. For fuel oil, the value is about 50% higher than that for water.
Relationship between liquid sorptivity and capillarity in concrete
Neutron radiography (NR) was applied to study liquid transport processes in concrete. With this method, it is possible to monitor the liquid distribution inside specimens and to measure the height of the liquid front for liquids of high hydrogen content inside concrete. The experiment was performed with water and fuel oil for three different types of concrete. The results are compared with the sorptivity measured by the gravimetric method. It is shown that the ratio between the capillarity coefficient and sorptivity depends upon the combination of liquid and solid phases. For water, this value was found to be 5.5+/-0.6, 5.8+/-0.6 and 7.1+/-0.7 in concrete without additives, concrete with an air-entraining agent and concrete with a plasticizer, respectively. For fuel oil, the value is about 50% higher than that for water.
Relationship between liquid sorptivity and capillarity in concrete
Zusammenhang zwischen Flüssigkeitssorption und Kapillarität in Beton
Hanzic, L. (author) / Ilic, R. (author)
Cement and Concrete Research ; 33 ; 1385-1388
2003
4 Seiten, 11 Quellen
Article (Journal)
English
Relationship between liquid sorptivity and capillarity in concrete
| Online Contents | 2003
Relationship between liquid sorptivity and capillarity in concrete
| British Library Online Contents | 2003
Relationship between liquid sorptivity and capillarity in concrete
| Elsevier | 2003