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M5、M7.5、M10、C20、C25的水泥砂浆配合比、混凝土配合比

根据JGJ/T98-2010 砌筑砂浆配合比设计规程以下配比比例皆是以重量为单位。我们来看看M5、M7.5、M10、C20、C25水泥砂浆的配比。

一、M5水泥砂浆的配合比:

水泥:中砂=1:5.23。
条件:施工水平,一般;砂子,中砂;砂子含水率:2.5%;水泥实际强度:32.5 MPa

二、M7.5水泥砂浆配合比:

砂浆试配时各材料的用量比例: 水泥∶砂=260∶1541=1∶5.93

条件:用于砌筑沟井的水泥砂浆,强度为M7.5,稠度30~50mm。原材料的主要参数,水泥:32.5级水泥;中砂,堆积密度为1541kg/m3;施工水平:一般。
选取水泥用量260kg/m3,砂子用量QS=1541kg/m3,水量为280kg/m3

三、M10水泥砂浆配合比:

砂浆各材料的用量比例:水泥∶砂=240∶1221=1∶5.09
条件:用于砌筑毛石挡土墙的水泥砂浆,强度为M10,稠度30~50mm。原材料的主要参数,水泥:32.5级水泥;中砂,堆积密度为1221kg/m3;施工水平:一般。
水泥用量240kg/m3,砂子用量QS=1221kg/m3,水量为290kg/m3

四、C20混凝土配合比:水泥:砂:碎石:水=1:1.83:4.09:0.50

条件:坍落度35–50mm;砂子种类:粗砂,配制强度:28.2MPa;石子:河石;最大粒径:31.5mm;水泥强度等级32.5,实际强度35.0MPa .

每立方米混凝土中,水泥含量:326Kg;砂的含量:598Kg;碎石:1332Kg

五、C25混凝土配合比:水泥:砂:碎石:水=1:1.48:3.63:0.44

条件:坍落度35–50mm;砂子种类:粗砂,配制强度:28.2MPa;石子:河石(卵石);最大粒径:31.5mm;水泥强度等级32.5,实际强度35.0MPa .

其中每立方米混凝土中,水泥含量:370Kg;砂的含量:549Kg;碎石:1344Kg

以上是M5、M7.5、M10、C20、C25水泥砂浆的配比。可以根据实际条件调整配合比。变化幅度不会太大。

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