| 摘要 |
<p>A building material mixture of a binding agent and an aggregate is characterised in that the aggregate comprises 30 to 60 % by volume of preserved or impregnated wood in a particle size of 3 to 10 mm, 2 to 10 % by volume of crushed building rubble in a particle size of up to 10 mm and 20 to 30 % volume of a heat insulating material.</p> |
