A Research on Application of Stabilized Electrolytic Manganese Slag in Soft Soil Roadbed Filling
Electrolytic metal manganese slag can be used as a material for soft soil roadbed filling,but its moisture content is too high.It is of certain toxicity.The study investigated the solidification mechanism of electrolytic metal manganese slag by solidifying it,and then it designed a performance verification experiment for solidified electrolytic metal manganese slag in road construction in analyzing their application effect of soft soil roadbed filling.The experimental results show the maximum dry density increases and the optimal moisture content decreases after adding a curing agent for curing.In the experiment of CBR value characteristics,when the dosage was 6％,the CBR value with added cement was increased by 54.22％,the CBR value with added lime increased by 62％.When the lime content is 3％,the CBR value reaches 14％.In the experiment on the rebound modulus of electrolytic manganese slag,the addition of a curing agent resulted in an increase in the rebound modulus.The experimental results demonstrate that the solidified electrolytic manganese slag has good road performance,and the research will have important practical significance for improving the quality of soft soil roadbed filling and reducing engineering risks.
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