| 摘要 |
<p>Concrete comprising water and cement in which the aggregates of sand and stones wholly or partially are substituted by crushed glass, the substantial part of the sand fraction being substituted either by glass of a grain size of 0-5 mm, by a non alkali reactive mineral with said grain size, or by a combination of said two types of fractions. The substantial part of the stone fraction is substituted by glass of a grain size 5-20 mm. The concrete also comprises silica dust, flyash or finely crushed slag if the finest fraction of glass (0-5 mm) is present in significant amounts in the concrete.</p> |
