| 摘要 |
FIELD: construction.SUBSTANCE: concrete mixture comprises, pts. wt. artificial cement 23.0-25.0, fraction expanded clay 10-20 mm 20.0-26.0, keramsite sand 20.0-24.0, fine quartz sand 5.6-7.4, asbestos fibre sliced into segments of 5-25 mm 0.2-0.3, sodium ethyl siliconate 0.2-0.3, water 23.0-25.0.EFFECT: increase of concrete frost resistance.1 tbl |
