The Effects of Changing Block Size on Ore Quality Control and Environmental Impacts

摘要

An aggregate is compulsory raw material of construction industry. The chemical composition and the uniformity of aggregate play a strategic role especially in cement and concrete manufacturing. Furthermore, the quarries, expanding day by day in cities have been in lack of modern technology and control, cause important environmental problems. Therefore, production planning and open-pit design by computer-aided technology are necessary to optimize production and reduce environmental effects. The design and production planning are based on the block modeling. This paper emphasizes the effects of different block size on reserve, waste amount and distributions of chemical component such as %CaO, %MgO in quarry located at Darica, Istanbul. Scenarios with different block dimensions created by integrated mining software namely Surpac 6.1 were compared. Effects of different blocks on reserve, waste amount, chemical distribution, and estimation of quality of cement raw material were determined.