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[公路] CBR 试验一个小问题 [复制链接]

1#
CBR试验中45N如何确定?是否根据测力环Y=AX+B计算,如是的话,那数值很小该如何控制?我做试验时测得数据如下,请版主帮我看一下:ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
荷载百分表读数             贯入百分表读数ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         0                               30     ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         0                               50ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         0                               100ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         1                               150ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         1                                200ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         1                                250ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         2                                300ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         3                                350ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         4                                400ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         6                                450ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
         8                                 500ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
        10                                 550ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
该土为粉土质砂                这样的话该土的CBR值很低,不知是什么原因造成的,请版主多多指导,谢谢ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
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2#

根据测力环校正系数看45N.说明土质不行,不宜做路基填料了。ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
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3#

45KN,是根据Y=AX+B的回归公式反算的。ÑîØêáöãÓûqbbs.3c3t.comóè¼êüvË
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