混凝土配合比计算(体积法)

材料条件

每组块数试块边长（m）粉煤灰掺量水胶比放大系数

60.100.62 1.2

60.100.65 1.2

60.100.68 1.2

60.100.71 1.2

60.100.74 1.2计算配合比

水胶比用水量(kg/m³)胶凝材料用量（kg/m³）M粉Mco

0.62210.00338.710.00338.71

0.65210.00323.080.00323.08

0.68210.00308.820.00308.82

0.71210.00295.770.00295.77

0.74210.00283.780.00283.78

实验用量(kg)放大系数=1.2每组块数3试块体积100^3编号Mwo(kg)Mco(kg)M粉煤灰(kg)Mso(kg)

GS-1’ 1.512 2.4390.000 3.194 GS-2’ 1.512 2.3260.000 3.219 GS-3’ 1.512 2.2240.000 3.242 GS-4’ 1.512 2.1300.000 3.262 GS-5’ 1.512 2.0430.000 3.281

砂率αρgoρsoρcoρwo

0.35 1.001850200030001000

0.35 1.001850200030001000

0.35 1.001850200030001000

0.35 1.001850200030001000

0.35 1.001850200030001000

Mgo=()Mso纤维掺量（kg/m³）Mso Mgo Mgo/ρgo+Mso/ρso=

443.59823.810.67 1.860.5

447.05830.240.67 1.860.5

450.21836.110.68 1.860.5

453.11841.480.68 1.860.5

455.76846.420.69 1.860.5

块体积100^3

Mgo（小）(kg)Mgo（大）(kg)Mgo(总)(kg)Mpvb(g)

1.977 3.954 5.931 3.60

1.993 3.985 5.978 3.60

2.007 4.013 6.020

3.60

2.020 4.039 6.059

3.60

2.031 4.063 6.094

3.60

ρ粉II

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