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Based on the typical laterite in Yunnan, consider working into clay content and the influence of the curing time, through the density, grain size analysis, direct shear and compression test, study the red clay work into the physical and mechanical characteristics. Test results show that adding clay imitation porcelain powder, sand, reduce the proportion of clay with the increase of the content of incorporation, clay particles sand content increase gradually, clay content gradually reduce; Clay after adding reduced iron powder, significantly increased the proportion of clay with the increase of the content of incorporation, clay particles sand content increase gradually, clay content gradually reduced. With the incorporation imitation porcelain powder the increase of the content of curing time gradually extended, overall, clay shear strength showed a trend of decrease, the compression coefficient showed a trend of increase, Along with the sanding the increase of the content of the clay shear strength showed a trend of increase, the compression coefficient was reduced, but the change are a reasonable sanding content, especially sanding content at 10% ~ 20%, and the shear strength, compressibility appear in peak valley value, curing time on sanding clay effect is not obvious, With the incorporation reduced iron powder the increase of the content of the clay shear strength increase and the compression coefficient decreases gradually with the curing time, the increase of the shear strength showed a trend of decrease, compressibility no obvious change rule.
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