【摘要】 在判断土坡稳定时,使用沙尔玛法,可以简化计算的工作量。是以Kc作为判断土坡稳定程度的一个标准,然后根据理正岩土软件岩质进行边坡稳定分析,不考虑地震作用,而是每次加入不同的水平外荷载Px,模拟水平地震惯性力KWi用软件进行分析,得出一系列不同大小Px所对应的滑裂面稳定安全系数Fs,最后根据回归分析把Kc与Fs的定量关系用函数表示出来,使其可以在工程中广泛应用。更多还原

【Abstract】 According to the hypothesis of Sarma,a horizontal seismic inertial force KWi acts on the gravity of each soil,which just makes the slip surface reaching the limit state. Now the buckling safety factor of critical slip surface is 1. 0,the K of horizontal seismic acceleration is called the critical seismic acceleration at this moment,and shows it with Kc. Kc is regard as a standard to judge the slope stability,then according to the Lizheng geotechnical software in rock slope stability to analyze,taking no account of the affection of earthquake,every time we use different level of the loading to replace the horizontal seismic inertial force and with software for analysis. We obtain the buckling safety factor of slip surface to a series of different Px. At last,according to the regression analysis we show the quantitative relationship between the Fs and the Kc,which makes it can be used widely in engineering practice.更多还原