泥水盾构开挖面前泥浆渗透距离预测算法
尹鑫晟,朱彦华,魏纲,丁智,崔允亮

Algorithm for predicting slurry penetration distance in front of slurry shield tunnel face
Xin-sheng YIN,Yan-hua ZHU,Gang WEI,Zhi DING,Yun-liang CUI
表 2 泥浆基本参数
Tab.2 Basic parameters of slurry
泥浆型号 ρB/(g·L−1 材料 Mr C/% μ / (mPa·s) μ r /s μ m /s ρ/ (g·cm−3 τy/Pa L/m $k'_{\rm{b}} $/(m·s−1
SL_1 50 0 1.50 16 30 1.030 0.15 6.356 $1.33 \times {10^{ - 4}}$
SL_2 70 0 1.90 17 31 1.035 0.16 5.958 $1.05 \times {10^{ - 4}}$
SL_3 50 APAM 2.5×107 1 33.65 253 472 1.030 9.94 0.157 $1.36 \times {10^{ - 5}}$
SL_4 50 CPAM 1.6×107 1 5.80 19 38 1.030 0.10 9.533 $3.45 \times {10^{ - 5}}$
SL_5 50 PAA-Na 1.2×103 1 3.40 19 34 1.030 0.51 1.869 $5.88 \times {10^{ - 5}}$
SL_6 50 PAA-Na 1.5×104 1 6.05 22 40 1.030 1.28 0.745 $3.31 \times {10^{ - 5}}$
SL_7 50 CMC 4.1×104 1 9.15 23 41 1.030 2.20 0.433 $2.19 \times {10^{ - 5}}$
SL_8 50 CMC 5.7×104 1 63.35 264 291 1.030 32.04 0.030 $3.16 \times {10^{ - 6}}$
SL_9 50 CMC-Na 8.0×103 1 19.40 31 51 1.030 2.96 0.322 $1.03 \times {10^{ - 5}}$