海底碎屑流对海洋桩的冲击

李东黎,晏鄂川,冯斌,蔡袁强

Impact of submarine debris flow on offshore piles

Dong-li LI,E-chuan YAN,Bin FENG,Yuan-qiang CAI

表 2 不同黏土质量分数下泥浆的流变模型

Tab.2 Rheological model of slurry under different mass fractions of clay

泥浆编号 幂率模型 H-B 模型 1 ${\rm{\tau }} = 4.4{\dot \gamma ^{0.43}}$ ${\rm{\tau }} = 0.6 + 3.9{\dot \gamma ^{0.46}}$ 2 ${\rm{\tau }} = 6.3{\dot \gamma ^{0.36}}$ ${\rm{\tau }} = 2.0 + 4.5{\dot \gamma ^{0.43}}$ 3 ${\rm{\tau }} = 6.8{\dot \gamma ^{0.35}}$ ${\rm{\tau }} = 2.3 + 4.7{\dot \gamma ^{0.42}}$ 4 ${\rm{\tau }} = 7.2{\dot \gamma ^{0.38}}$ ${\rm{\tau }} = 5.9 + 2.3{\dot \gamma ^{0.64}}$ 5 ${\rm{\tau }} = 7.5{\dot \gamma ^{0.45}}$ ${\rm{\tau }} = 7.1 + 2.5{\dot \gamma ^{0.69}}$ 6 ${\rm{\tau }} = 7.8{\dot \gamma ^{0.48}}$ ${\rm{\tau }} = 9.5 + 1.6{\dot \gamma ^{0.85}}$