SMW 工法三轴搅拌桩，直径850mm,搭接250mm。a =arcos300/425=45.1(42523002)1/2=301.04S =301.04 X300=90312mm2S = (2X45.1/360)XnX42 52=142 1 77 . 79mm2扇S =142177.7990312=51865.79mm2D二孔法面积(每二孔计一中幅)每幅面积=2XnX42 52 2 X 5 1 86 5 . 79=1031168 . 77mm2=1.0312m2三孔法面积(每三孔计一大幅)每幅面积=3XnX4252 2X2X51865.79=1494887.36mm2=1.495m2SMW 工法三轴搅拌桩，直径1000mm,搭接250mm。a =arcos375/500=41.4(50023752)1/2=330.72S =330.72 X 375=124020mm2S = (2X41.4/360)XnX5002=180550mm2扇S =180550124020=56530mm2D二孔法面积(每二孔计一中幅)每幅面积=2XnX5002 2X56530=1456940mm2=1.457m2三孔法面积(每三孔计一大幅)每幅面积=3XnX5002 2X2X56530=2128880mm2=2.129m2