混凝土配合比计算表格
细骨料含水率<0.5%混凝土立方体抗压强度标准值=C
粗骨料含水率<0.2%最小胶凝材料用量配置强度为 ,强度标准差为σσ =
5.0MPa
=
48.20
MPa
矿物掺合料掺量参见JGJ55-2011
计要求的工程:混凝土中碱含量≤3.0kg/m3
=
=
=MPa
=
0.53
W/B =0.48907
==222.50kg/m3
=454.94kg/m3
沙率==粗骨料用量=kg/m3细骨料用量
=kg/m3
49.30
1.00 1.000.00
外加剂的减水率β=
222.5
0.402400.00
1033.53
689.02
f _(cu ,k )f _(cu ,0f _(cu ,0b )/(f ,
f _b =γ_f γ_s f _
γ_f γ_s f _ce =γ_c f _(ce ,f _ce f _(cu ,0
m _w0=m _w0
m _w0^^
m _w0m _b0β_s m _cp m _g0m _s0α_a
40(0~60)
=
0.20
kg/m3
kg/m3
00.00
α_b
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