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By means of orthogonal design, this study replaces sand with the steel slag and slags of Handan to compare the concrete made of steel slag and slag with ordinary concrete. The results show that compressive strength of concrete with the mixture of steel slag is very close to that of ordinary concrete on the 7th day and 28th day respectively. The volume of steel slag and water-cement ratio and the comparison...
Model experimental basis is similar theory, that is similar to model and prototype, model can reflect situation of the prototype. Based on similar theory, adopting similar similar material of cement-gypsum to make model, its Brittle is close to rock, elastic modulus and compressive strength are adjusted greater regulation, and the technique is simple, the resource is abundant, the price is very low,...
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