| Title |
Experimental Study for the Derivation of the Optimal Replacement Ratio of Copper Slag in the Production of Concrete |
| Keywords |
Copper Slag ; By-product ; Optimal Replacement Ratio ; Fine Aggregate ; Concrete |
| Abstract |
In the current circumstances demanding for active exploitation of industrial by-products like copper slag, need is to investigate thoroughly the difference with the requirements of KS F 2526 standing as the standard for the grades of conventional fine aggregates as well as the effects of the difference of the particle shapes on the properties of the cement compound in order to verify the applicability of such by-products. This study performed physical analysis test using mortar to reflect efficiently the diversity of the test parameters by varying minutely the replacement ratio of copper slag for example. Based on theoretical backgrounds, attempt has been done to provide the adequate replacement ratio of copper slag with respect to natural sand. Test results revealed that, among the two types of copper slag produced in Korea, continuous furnace copper slag exhibiting lognormal distribution of the grains is presenting relatively satisfactory physical properties. In addition, it appeared that the appropriate replacement ratio should be limited to 30% to secure stability considering the fluctuation in the management. |