C25喷射砼PHB设计:Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
1、水泥:42.5Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
2、碎石:5~10、Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
3、砂:中砂Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
4、外加剂:速凝剂Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
PHB设计:Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
1、fcu,o=fcu,k+1.645=25+1.645×5=33.2MPaÑ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
2、W/C=0.45Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
3、用水量:200kgÑ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
4、水泥:C=200/0.45=444kgÑ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
5、砂率:50%Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
6、砂石用量:假定容重为2200kg/m3Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
砂:S=(2200-444-200) ×50%=778kgÑ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
石:C=2200-444-200-778=778kgÑ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
C∶W∶C∶S=Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?:
444∶220∶778∶778Ñ,-
6gÌÓ bbs.3c3t.comõgaøØ?: