发布时间:2025-01-31 09:16:55
因为配制1升水泥净浆所需的干水泥重量为:(水泥的密度*水的密度)/(水的密度+水灰比*水泥密度);水泥密度一般取3.15.该公式简明易算.所以,当水灰比为1,1立方水泥浆需干水泥重量为:1000*(3.15*1)/(1+1*3.15)=759kg当水灰比为0.8,1立方水泥浆需干水泥重量为:1000*(3.15*1)/(1+0.8*3.15)=895kg所以,配合比0.8—1时,配制1方净浆所需干水泥在759kg—895kg之间.
专卖店门头上面的发光字掉下来了怎么粘上去呢字是贴在黑色烤漆玻璃上的
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