A. 边坡坡高大于20m时，边坡坡度可采用查表法确定
B. 验算路堤边坡稳定性时，稳定性系数宜取1.15～1.25
C. 不同地层组成的较深路堑，宜在边坡中部或不同地层分界处设置平台
D. 如弃土堆堆填在山坡上方时宜连续堆填，以防止地面水流入路堑内
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