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三轴搅拌桩计算
更新时间: 2021-02-13 00:58:42  

1、定额的工程量计算规则是按桩径截面积乘以桩长,采用多轴施工搅拌桩的工程量计算关键在于桩截面积的确定,仍采用“桩径截面积” 则不可行,应该扣除桩径截面一次形成的重叠部位面积。

2、设桩径为850mm ,桩轴(圆心)矩为600mm ,则每次成活桩截面积S 为三个圆面积扣减4个重叠的弓形面积,计算方式为:原面积: S1=(0.85/2)2×3.1416×3=1.7024m2圆心角: θ=2×acos(0.3/0.425)=90.1983°,一个扇形面积:S2=(0.85/2)2×3.1416×90.1983/360=0.1423 m2,三角形面积: S3=(0.4252-0.32) 1/2×2×0.3/2=0.0903 m2,一个弓形面积: S4=S2-S3=0.1423-0.0903=0.052 m2,每次成活桩截面积: S=S1-4×S4=1.7024-0.052*4=1.4944m2。

关键词: 搅拌 计算

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