In this paper, the environmental and mechanical properties of alkali-slag concrete are discussed. The concrete is prepared by activating the slag as industrial by-product, using the alkali component as activator. Then, the complex slag and complex alkali component are investigated and a new complex alkali-slag environmental concrete has been prepared. Based on the evaluation of environmental effect as well as analysis and comparison of the concrete materials, the authors suggest that this concrete will be a new environmental material, which is in coordination with the environment and can keep a sustainable development.
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