C25-C30等各種標號混泥土配合比

單位：1m3混凝土序號項目單位普通混凝土碎（礫）石最大粒徑（mm）20混凝土標號1520253035404550水泥標號325325425325425325425425525425525525525123456789101112131水泥kg2943542974123434743904363834824244645042中（粗）砂m30.500.480.500.460.490.440.470.460.480.450.470.460.443碎（礫）石m30.880.840.880.800.850.770.820.800.840.790.810.790.774片石m3—————————————續(xù)上表單位：1m3混凝土序號項目單位普通混凝土碎（礫）石最大粒徑（mm）40混凝土標號10152025303540水泥標號325325425325425325425325425425525425525141516171819202122232425261水泥kg2552822553382733903184323654063504473872中（粗）砂m30.520.510.520.490.520.470.500.460.490.480.500.470.493碎（礫）石m30.910.890.910.850.900.820.870.810.850.830.870.820.854片石m3—————————————續(xù)上表單位：1m3混凝土序號項目單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（礫）石最大粒徑（mm）4080402080混凝土標號4550101520202525152015水泥標號525525325325325325425325425425325325325272829303132333435363738391水泥kg4244612552773314463605154203653444112352中（粗）砂m30.470.460.520.520.490.470.530.450.500.490.600.570.443碎（礫）石m30.830.810.910.900.860.690.780.660.740.850.730.700.774片石m3————————————0.21續(xù)上表單位：1m3混凝土序號項目單位泵送混凝土碎（礫）石最大粒徑（mm）2040混凝土標號202530354045501015水泥標號425325425325425425525425525525525325325404142434445464748495051521水泥kg3454743955314374844255304665065443003302中（粗）砂m30.600.550.580.530.570.560.580.540.560.550.540.620.613碎（礫）石m30.730.670.710.650.700.680.700.660.690.670.650.750.744片石m3—————————————續(xù)上表單位：1m3混凝土序號項目單位泵送混凝土碎（礫）石最大粒徑（mm）40混凝土標號1520253035404550水泥標號425325425325425325425425525425525525525535455565758596061626364651水泥kg2983923174493664844094513894924264624982中(粗)砂kg0.620.580.610.560.600.560.580.570.590.560.580.570.563碎(礫)石m30.760.710.750.690.730.680.710.700.730.680.710.690.684片石m3—————————————注：(1)采用細砂配制混凝土時，每立方米混凝土的水泥用量增加4%；(2)表列各種混凝土標號的水泥用量，系按機器搗固計算，如果用人工搗固時，每立方米混凝土應增加水泥用量25kg；

(3)材料消耗數(shù)量已包括場內(nèi)運輸及操作損耗在內(nèi)；(4)公路水下構造物每立方米混凝土水泥用量機械搗固不應少于240kg，人工搗固不應少于265kg