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Study on Early Crack Resistance of Concrete Mixed with Single Steel Slag Powder

LIUPan;SHI Ke-bin;Nuerkaili·Yiziteliopu;WUFu-fei;College of Water Conservancy and Civil Engineering, Xinjiang Agricultural University;  
The knife-edge test is used here to research and analyze the impact of differentwater-cement ration and steel slag powder content on the early crack-resistance of concrete.The results show thatwhen the water-cement ration is less than or equal to 0.40,its impacton the crack resistance of concrete ismore obvious;underthe samewater-cementration and compared with the control group, the concrete mixed with steel slag powder extends the time of early cracking, and with the increase of mixed dosage, the concrete's crack resistance is more prominent.
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