摘要：Based on the orthogonal test of the compressive and flexural mechanical properties of the recycled concrete block of type 190, the impacts of the four important factors in the mix ratio on the basic mechanical properties are discussed. This research presents the regular patterns of the influence of each factor on the strength and then puts forward an optimum mix proportioning method of recycled concrete block. Based on the result of the analysis of the orthogonal test, it is found that the compressive strength of recycled concrete block is linear with bending strength. Through the regression analysis, a regression equation is obtained, so as to provide reference for mix proportion optimization with the recycled concrete block.
关键词：Recycled concrete block;mix proportion;optimization;orthogonal test
