泥水盾构水平直管输碴特性研究

Study on ballast transmission characteristics of the slurry shield horizontal straight pipe

基于固—液两相流理论,考虑浆液的流变特性,建立泥水盾构排浆管水平管段石碴运动模型,并研究入口流速Vi、石碴体积浓度C_v、浆液密度ρ、石碴密度ρ_1对排碴速度V_m和排碴量M的影响规律,最终得出了一些有意义的结论。

Based on the solid-liquid two-phase flow theory,the ballast motion model of the horizontal section of slurry discharging pipe was established and the influence of inlet flow rate,volume density of ballast,density of slurry and density of ballast on the ballast-draining velocity and ballast-draining amount considering the rheological property of the slurry. Finally,some meaningful conclusions have been drawn.