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[公路] CBR 试验一个小问题 [复制链接]

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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:¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
荷载百分表读数             贯入百分表读数¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         0                               30     ¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         0                               50¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         0                               100¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         1                               150¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         1                                200¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         1                                250¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         2                                300¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         3                                350¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         4                                400¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         6                                450¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
         8                                 500¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
        10                                 550¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
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¥¿hÕÏís$hQbbs.3c3t.coms €^·‚´”
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