| 摘要 |
FIELD: building. ^ SUBSTANCE: invention refers to the sphere of building materials, including road building materials, containing natural linking, and can be used during producing of road concrete mix, applicated for generating of automobile roads of I-IV category in the I-IV climatic zones, as well as the airfield pavement and in the office facilities. The road concrete mix has the following ratio, mass %: crushed stone 38-50, bitum 4-6 milled up to the size of 5mm, the soft roof cover contains from 45 till 80% swampy bitum, mineral powder 7-20, and the send is the rest. ^ EFFECT: it is increased the level of road concrete mix strength and the diminution of the water containing. ^ 2 cl, 2 tbl, 1 dwg |
