图4-1为某房屋基础及断面图,请依据图示尺寸求出:(1)砖砌基础工程量;(2)混凝土垫层工程量。

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问题 图4-1为某房屋基础及断面图,请依据图示尺寸求出: (1)砖砌基础工程量; (2)混凝土垫层工程量。
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解析 解(1)基础砌砖工程量=断面×墙长 断面面积=[0.00 - (-0.8) +0.394]×20. 24 =0.287 (m2) 墙长=17. 5×2 +7.0×2 +7 -0. 24 =55. 76 (m) 基础砌砖工程量=0.287×55. 76 = 16 (m3) (2)混凝土垫层工程量=垫层断面×垫层长=0.615×0. 1×(17.5×2+7.0×2+7-0.615) =3.41 (m3)

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