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深蓝787887 - 2010/9/6 11:08:00
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:ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
荷载百分表读数             贯入百分表读数ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         0                               30     ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         0                               50ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         0                               100ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         1                               150ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         1                                200ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         1                                250ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         2                                300ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         3                                350ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         4                                400ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         6                                450ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
         8                                 500ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
        10                                 550ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
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ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
ling020047 - 2010/9/6 12:15:00
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。ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
xxwljm - 2010/9/6 15:04:00
45KN,是根据Y=AX+B的回归公式反算的。ƒ‡Ï nkRFbbs.3c3t.com©öJÞ@½¡Ã×
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