| 摘要 |
<p>The invention relates to an ecologically-friendly concrete composition meant for hydrotechnical road constructions comprising 5...60% construction material ballast with the function of mineral aggregate; 35...40% power plant ash resulting from the combustion of solid fuel, with a content of 50...60% SiO2, 20...30% Al2O3, 5...10% Fe2O3, 3...8% CaO and a content of 5...15% a mixture of MgO, Na2O, K2O; 6...8% cement and 0.18...0.22 l of an aqueous ester solution of a modified coniferous resin having a pH=7, to which water is addded in an effective amount to ensure the optimal humidity for transportation and placement.</p> |
