混合粗骨料配比对充填体强度及浆体流动性能的影响规律
范永亮,崔继强,张元坤,李凤,黄春云,顾元统,何建元

Influence of Mixed Coarse Aggregate Ratio on Strength and Fluidity of Filling Slurry
Yongliang FAN,Jiqiang CUI,Yuankun ZHANG,Feng LI,Chunyun HUANG,Yuantong GU,Jianyuan HE
表4 推荐混合粗骨料充填体及浆体的性能参数
Table 4 Recommended performance parameters of mixed coarse aggregate filling and slurry
参数名称数值参数名称数值
灰砂比1∶428 d强度/MPa6.02
废石/棒磨砂比值3∶7屈服应力/Pa76.21
浆体质量浓度/%82~83黏度系数/（Pa·s）0.27
3 d强度/MPa1.36塌落度/cm27.4
7 d强度/MPa3.98泌水率/%9.4