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| Title | Moisture permeability of mature concrete, cement mortar and cement paste |
| Author/s | Göran Hedenblad |
| Department/s |
Building Materials
|
| Full-text | Available as PDF |
| Defence date | 1993-05-26 |
| Defence time | 13:15 |
| Defence place | sektionen för väg- och vattenbyggnad, sal V:A, John Ericssons väg 1 |
| Opponent | Professor Lars-Olof Nilsson |
| Publication/Series | Report TVBM 1014 |
| Publishing year | 1993 |
| Pages | 250 |
| Document type | Dissertation |
| Language | English |
| Publisher | Div of Building Materials LTH, Lund university |
| Abstract English |
Moisture permeability tests were performed on specimens of concrete, cement mortar and cement paste with the bottom side in water or in moist air and the upper side in a relative humidity of 33 %. The distribution of the relative humidity within the specimen was measured, at stationary conditions, as well as the amount of water which pass through the specimen. The depth of the specimens was varied between 0.063 and 0.150 m. The water-cement ratio was varied between 0.4 and 0.8 for the concrete specimens. The influence of varying amounts of aggregate and of air was studied. Some theoretical models were studied and developed in connection with the evaluation of the tests results. The results are summarized in tables of transport coefficients, suitable for practical application. |
| Subject |
Technology and Engineering |
| Keywords | cement paste, moisture transport, moisture permeability, concrete, moisture flow, cement mortar |
| ISBN/ISSN/Other |
ISSN: 0348-7911 TVBM-1014 |
