| 摘要 |
The invention concerns an adaptable, multipurpose and quick set concrete, comprising, in weight for one cubic meter of concrete, 100 to 600 kg/m<3> of cement, 80 to 500 kg/m3 of semi-hydrated calcium sulphate, 0.1 to 20 kg/m<3> of potassium sulphate, 1 to 50 kg/m<3> of a superplasticizer/accelerator which is a water-soluble and water-dispersible organic compound comprising at least one melamine/formaldehyde group producing by polycondensation a water-soluble soda salt, 150 to 500 kg/m<3> of water, 150 to 2000 kg/m<3> of aggregates. The invention also concerns moulded parts produced with said concrete. |
