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Regarding the correlation between micro pore and compressive strength of concrete mixed with mineral admixture of powder with constant cement content, this paper performs an examination based on the e...xisimg strength theory and reviews its effectiveness. The result shows that there is an excellent match between the expetmental results and the strength formula with porosity in the Balshin formula and the Ryshkewich formula as porosity of 20nm or higher, as well as the strength formula with average particle size in the Kundesn formula as average porosity size, and porosity as effective perosity. In addition, this paper proposes a formula for estimating strength from mix proportion.show more
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jaud018_p061