| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: present invention pertains to construction materials and can be used in repairing works, particularly in repairing asphalt concrete. Description is given of the mixture for repairing asphalt concrete. The mixture contains mineral material and bitumen, and is distinguished by that, it contains solar oil, organic fatty acid, polyethylenepolyamine, polyisocyanate and basalt micro-fibre, in the following wt %: bitumen 4.5-6 wt % of crushed rock; solar oil 25-30 wt % of bitumen; fatty acid 8-16 wt % of bitumen; polyethylenepolyamine 5-12 wt % of bitumen; polyisocyanate 3-7 wt % of bitumen; basalt micro-fibre 3-5 wt % of bitumen. ^ EFFECT: increased frost resistance and water resistance of the newly asphalt coated section with considerable adhesion of bitumen to mineral particles. ^ 4 cl, 8 ex |
