一般混凝土配合比

序号项目单位普通混凝土碎（砾）石最大粒径（mm）20混凝土标号C15C20C25C30C35C40C45(C50水泥标号32.532.542.532.542.532.542.542.552.542.552.552.552.5123456789101112131水泥kg294六包354七包297六包412八包半343七包474九包半390八包436九包383八包482九包半424八包半464九包半504十包2中（粗）砂0.500.480.500.460.490.440.470.460.480.450.470.460.443碎（砾）石0.880.840.880.800.850.770.820.800.840.790.810.790.774片石续上表单位：续上表单位：1混凝土序号项目单位普通混凝土碎（砾）石最大粒径（mm）40混凝土标号C10C15C20C25C30C35C40水泥标号32.532.542.532.542.532.542.532.542.542.552.542.552.5141516171819202122232425261水泥kg255五包282五包半255五包338七273五包半390包318包432八包半365包406八包350包447九包387八包2中（粗）砂0.520.510.520.490.520.470.500.460.490.480.500.470.493碎（砾）石0.910.890.910.850.900.820.870.810.850.830.870.820.854片石

序号项目单位普通混凝土水下混凝土防水混凝土泵送混凝土片石混凝土碎（砾）石最大粒径（mm）4080402080混凝土标号C45C50C10C15C20C20C25C25C15C20C15水泥标号52.552.532.532.532.532.542.532.542.542.532.532.532.5272829303132333435363738391水泥kg424八包半461九包255五包277五包半331六包半446九包360七包515十包420八包半365七包344七包411八包235五包2中（粗）砂0.470.460.520.520.490.470.530.450.500.490.600.570.443碎（砾）石0.830.810.910.900.860.690.780.660.740.850.730.700.774片石0.21

序号项目单位泵送混凝土碎（砾）石最大粒径（mm）2040混凝土标号C20C25C30C35C40C45C50C10C15水泥标号42.532.542.532.542.542.552.542.552.552.552.532.532.5404142434445464748495051521水泥kg345七包474九包半395八包531十包437八包半484九包半425八包半530十包半466九包506十包544十一包300六包330六包半2中（粗）砂0.600.550.580.530.570.560.580.540.560.550.540.620.613碎（砾）石0.730.670.710.650.700.680.700.660.690.670.650.750.744片石

序号项目单位泵送混凝土碎（砾）石最大粒径（mm）40混凝土标号C15C20C25C30C35C40C45C50水泥标号42.532.542.532.542.532.542.542.552.542.552.552.552.5535455565758596061626364651水泥kg298包392八包317六包449九包366七包484九包半409八包451九包389八包492十包426九包462九包498十包2中（粗）砂0.620.580.610.560.600.560.580.570.590.560.580.570.563碎（砾）石0.760.710.750.690.730.680.710.700.730.680.710.690.684片石注：(1)采用细砂配制混凝土时，每立方米混凝土的水泥用量增加4%；(2)表列各种混凝土标号的水泥用量，系按机器捣固计算，如果用人工捣固时，每立方米混凝土应增加水泥用量25kg；(3)材料消耗数量已包括场内运输及操作损耗在内；⑷公路水下构造物每立方米混凝土水泥用量机械捣固不应少于240kg,人工捣固不应少于265kg；