1、32.042.459.8注:不包括块石运输及影响浇筑的工时。(5) 有抗渗抗冻要求时,按表7-4水灰比选用混凝土强度等级。 表 7-4抗渗等级一般水灰比抗冻等级W40.600.65F500.58W60.550.60F1000.55W80.500.55F1500.52W120.50F200F3000.45(6) 除碾压混凝土材料配合参考表外,混凝土配合表的预算量包括搅拌场内运输及操作损耗在内。不包括搅拌后(熟料)的运输和浇筑损耗。(7) 水泥用量按机械拌和拟定,若系人工拌和,水泥用量增加5。(8) 按照国际标准(ISO3893)的规定,且为了与其他规范相协调,混凝土及砂浆配合比按强度等级表示。2
2、纯混凝土材料配合比及材料用量纯混凝土材料配合比及材料用量见表7-7。3掺外加剂混凝土材料配合比及材料用量掺外加剂混凝土材料配合比及材料用量见表7-8。4掺粉煤灰混凝土材料配合比及材料用量掺粉煤灰混凝土材料配合比及材料用量见表7-9表7-11。5碾压混凝土材料配合碾压混凝土材料配合参考表见表7-12。6泵用混凝土材料配合泵用混凝土材料配合表见表713、表714。7水泥砂浆材料配合水泥砂浆材料配合表见表7-15。8水泥强度等级换算水泥强度等级换算系数参考值见表7-16。 混凝土材料配合比及材料用量 表7-7 单位:m3序号混凝土强度等级水泥强度等级水灰比级配最大配 合 比预 算 量粒径粗砂卵石(m
3、m)(kg)(m3)1C1032.50.753.695.052378770.5812180.720.1702403.922088190.5513600.790.1503803.786.451726530.4416300.12541503.649.331525550.3717921.050.110C150.653.1511.652708530.5712060.703.24.412427770.5213670.813.095.572016230.4216352.928.031795270.361799C202.489.893217980.5412272.532897330.4913822.494.
4、722385940.4016372.386.804980.34180342.50.602.804.082948270.562.895.202617570.5113762.827.3721861816272.739.291915220.351791C250.502.103.5035374412500.732.254.433106990.4713892.166.232605650.3816442.047.782304710.321812续上表 最大粒径8.55C300.451.853.143897230.4812421.973.9834367813871.885.6428854216451.777
5、.092534480.3018176C351.574366890.4612373.4438468513431.535.124930.3316661.496.352824220.281816 42.5 0.450.1247C402232668309C4593521.133.2845652015180.89混凝土材料配合比及材料用量表 7-8 单位:混凝土强 度等级水泥强度等级(MPa)级灰外加剂比配4.145.692138870.5912300.434.187.1918882613720.84.1710.3115765816423.8412.781395604.8125086512213.576
6、.192207900.533.468.9818163016493.311.1516053018112.784.2429081012455.442547430.514000.822.87.721259616542.669.525033.164.6126483912353.265.8623476713923.198.2919562416410.393.1110.5617118062.3632012700.740.642.54.9370914102.447.0257216642.278.742074791831续上表混凝土强 度等 级7.702.123.6234873612692.234.53307
7、14110.622.136.3925754916678.0422545318371.793.1839270512650.782.013.934669813680.691.725.7750016910.991.687.1742718391.081.293.7341053215520.91掺粉煤灰混凝土材料配合表表 7-9(掺粉煤灰量20%,取代系数1.3)单位:粉煤灰0.3254.6511.474565016214.514.4212255117840.253.8610.03536203.7112.57140475230.293.108.441906358916232.9310.50168564953.549.211735861616183.4011.585151917810.31 掺粉煤灰混凝土材料配合表 表 7-10(掺粉煤灰量25%,取代系数1.3)0.4334.9612.38131570.274.7915.51115501.040.244.1310.8266162413.5413252517883.319.1117879590162211.45156690.
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