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1、得分评卷人一、(本题25分,初级做)某工业厂房建筑,为三类工程,其基础平面图、剖面图如图所示。基础为C20钢筋砼独立柱基础,C10素砼垫层,设计室外地坪为-0.30m。基础底标高为-2.0米,柱截面尺寸为400×400mm。根据地质勘探报告,土壤类别为三类土,无地下水。该工程采用人工挖土,人工回填土夯填至设计室外地坪。人工挖土从垫层下表面起放坡,放坡系数为1:0.33,工作面以垫层边至基坑边为300mm,本工程砼均采用泵送商品砼。请按以上施工方案以及《江苏省建筑与装饰工程计价表》(2004)计算规则计算土方开挖、土方回填、砼垫层以
2、及砼基础(其余不予考虑)的计价表工程量并填写相应的计价表子目编号、名称及综合单价。(一)计价表工程量计算表序号项目名称计算公式计量单位数量1、人工开挖基坑J1+J2:49.29+32.69m381.984J1:基坑开挖深度:2.0+0.1-0.3=1.8米,【1】基坑下底长及宽:0.6×2+0.1×2+0.3×2=2.0米【1】基坑上底长及宽:2.0+2×0.33×1.8=3.188米【1】基坑体积:1/6×1.8×[2.0×2.0+3.188×3.188+(2.0+3.188)×(2.0+3.188)]×4=49.29m3【2】
3、2J2:基坑开挖深度:2.0+0.1-0.3=1.8米,【1】基坑下底长及宽:0.8×2+0.1×2+0.3×2=2.4米【1】基坑上底长及宽:2.4+2×0.33×1.8=3.588米【1】基坑体积:1/6×1.8×[2.4×2.4+3.588×3.588+(2.4+3.588)×(2.4+3.588)]×2=32.69m3【2】2独立基础J1+J2m34.094J1:{1.2×1.2×0.3+1/6×0.15×[1.2×1.2+0.5×0.5+(1.2+0.5)×(1.2+0.5)]}×4=2.19m3【1.5】培养学生独立工
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