输送管口径(mm)输送管道实际总长(m)需水量(m3)需砂浆量(m3)沙浆配合比(水泥:砂的重量比)备注125<100100~200>20010~1515~2025~30≥0.25≥0.4≥0.61:2.01:2.01:1.5可先加0.2m3纯水泥浆,再加配1:2的砂浆150<100100~200>20010~1520~2530~35≥0.3≥0.4≥0.81:2.01:2.01: