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Tue Jun 12 15:58:48 CST 2018

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  某建筑物基础平面图及详图如图2-4( a)、(b)所示,地面做法:20厚1:2.5的水泥砂浆,100厚C10的素混凝土垫层,素土夯实。基础为M5.0的水泥砂浆砌筑标准粘土砖。试求垫层工程量。

  图2-4c基础详图

  解:①C10的素混凝土地面垫层工程量:

  V垫层=( S净- S扣)×δ

  =[(3.6×5-0.24×2)×(9-0.24)-0.3 × 0.3 ×3]×0.1

  =15.32m3

  套定额:2-1-13

  ②独立基础C10素混凝土垫层工程量:

  V垫层= ab×δ×n

  =1.3×1.3×0.1×3=0.51 m3

  套定额:2-1-13

  注意:垫层定额按地面垫层编制,独立基础垫层套定额时人工、机械要分别乘以系数1.10.

  ③条形基础3:7灰土垫层工程量:

  V垫层= V外墙垫+V内墙垫

  = S断×L中+ S断×L基底净长

  =1.2×0.3×[(9+3.6×5)×2+0.24×3]+  1.2×0.3×(9-1.2)

  =22.51 m3

  套定额:2-1-1

  注意:条形基础垫层套定额时人工、机械要分别乘以系数1.05.

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  某建筑物基础平面图及详图如图2-4( a)、(b)所示,地面做法:20厚1:2.5的水泥砂浆,100厚C10的素混凝土垫层,素土夯实。基础为M5.0的水泥砂浆砌筑标准粘土砖。试求垫层工程量。

  图2-4c基础详图

  解:①C10的素混凝土地面垫层工程量:

  V垫层=( S净- S扣)×δ

  =[(3.6×5-0.24×2)×(9-0.24)-0.3 × 0.3 ×3]×0.1

  =15.32m3

  套定额:2-1-13

  ②独立基础C10素混凝土垫层工程量:

  V垫层= ab×δ×n

  =1.3×1.3×0.1×3=0.51 m3

  套定额:2-1-13

  注意:垫层定额按地面垫层编制,独立基础垫层套定额时人工、机械要分别乘以系数1.10.

  ③条形基础3:7灰土垫层工程量:

  V垫层= V外墙垫+V内墙垫

  = S断×L中+ S断×L基底净长

  =1.2×0.3×[(9+3.6×5)×2+0.24×3]+  1.2×0.3×(9-1.2)

  =22.51 m3

  套定额:2-1-1

  注意:条形基础垫层套定额时人工、机械要分别乘以系数1.05.

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