C25喷射砼PHB设计:âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
1、水泥:42.5âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
2、碎石:5~10、âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
3、砂:中砂âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
4、外加剂:速凝剂âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
PHB设计:âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
1、fcu,o=fcu,k+1.645=25+1.645×5=33.2MPaâºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
2、W/C=0.45âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
3、用水量:200kgâºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
4、水泥:C=200/0.45=444kgâºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
5、砂率:50%âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
6、砂石用量:假定容重为2200kg/m3âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
砂:S=(2200-444-200) ×50%=778kgâºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
石:C=2200-444-200-778=778kgâºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
C∶W∶C∶S=âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ
444∶220∶778∶778âºiä¹,Èÿbbs.3c3t.comLq_ò>öÇ