一般混凝土配合比

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C15C20C25C30C35C40C45(C50水泥標號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（礫）石0.880.840.880.800.850.770.820.800.840.790.810.790.774片石續(xù)上表單位：續(xù)上表單位：1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C10C15C20C25C30C35C40水泥標號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（礫）石0.910.890.910.850.900.820.870.810.850.830.870.820.854片石

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C45C50C10C15C20C20C25C25C15C20C15水泥標號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（礫）石0.830.810.910.900.860.690.780.660.740.850.730.700.774片石0.21

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C20C25C30C35C40C45C50C10C15水泥標號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（礫）石0.730.670.710.650.700.680.700.660.690.670.650.750.744片石

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C15C20C25C30C35C40C45C50水泥標號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（礫）石0.760.710.750.690.730.680.710.700.730.680.710.690.684片石注：(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)；⑷公路水下構(gòu)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；