Research on the solidification mechanism and performance of lime solidified electrolytic manganese residue roadbed soil
The road performance of electrolytic manganese residue as a road base material was investigated by indoor tests using electrolytic manganese residue as the basic material and lime dosing as the study variable.Analyze the effects and changes on the optimal moisture content,maximum dry density,7-day unconfined compressive strength,CBR value,and rebound modulus of road performance based on different lime content.Meanwhile,SEM results showed that after lime stabilization treatment,obvious dihydrate gypsum crystals,amorphous cluster like hydrated calcium silicate crystals(C-S-H),and needle shaped calcium vanadium crystals(AFt)appeared in the electrolytic manganese slag system.The inter particle connectivity became stronger,the pores became smaller,and the structure became denser,significantly increasing the strength of the roadbed soil.
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