摘要
在库岸边坡稳定分析中,通常按静水压力(水土合算)和动水压力(水土分算)2种模式来考虑地下水的影响。采用传递系数法比较静水压力模式与动水压力模式下地下水的作用效果,结果表明,在无水位降落情况下2模式的稳定分析结果甚为接近,而有水位降落的情况下静水压力模式计算的稳定系数要小于动水压力的计算结果,且当浸润线倾角越大时,2模式的计算结果相差越大。
As a general rule the influence of underground water is considered based on two modes,i.e.hydrostatic pressure(water and soil together) and hydrodynamic pressure(water and soil together) in stability analysis of reservoir bank side slope.The transfer coefficient method is adopted to compare the effects of underground water under hydrostatic pressure mode and hydrodynamic pressure mode,and it is shown that the results of stability analysis of two modes are much closed without drop of water level,while the stability coefficient calculated under hydrostatic pressure mode is less than that calculated under hydrodynamic pressure mode with drop of water level,and the more the inclination of phreatic line is,the more the difference between the calculated results of two modes is.
出处
《公路交通技术》
2008年第S2期8-11,共4页
Technology of Highway and Transport
关键词
库岸边坡
静水压力
动水压力
传递系数法
reservoir bank side slope
hydrostatic pressure
hydrodynamic pressure
transfer coefficient method
