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页数:4页
时间:2019-08-30
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1、作业答案4.ρd1)求压实度样本Ki=——X100%ρdmax95.83,94.06,95.22,97.50,98.94,98.02,93.12,97.39,97.04,96.45,95.94,96.342)求特征值K=96.32s=1.653)判断有无可疑数据Kimax=98.94k-3s=91.37故无可疑数据4)求代表值K1=K-–tαS/√n==96.32-0.518x1.65==95.47〉Ko=945)判断极值Kimin==93.11>ko-5==896)计算分值扣分区间(9289)无样本落入,100
2、分5.1)求弯沉样本Li=2(L1-L2)2)求特征值L=74.13s=16.953)判断有无可疑数据Limax=110L-3s=23.28故无可疑数据4)求代表值评定值(代表值)L=L+ZαS==108.033、-1=19合格4)单点极值hmin=18>20-2.5=17.5不扣分,即100分7.14*1000求样本R1=----------=0.792π(150/2)同样求得R2……R110.31,0.97,0.80,0.45,0.89,0.70,0.42,0.50,1.08,0.81求特征值R=0.7,S=0.25,Cv=0.360.8/(1-1.645*0.36)=1.96>R=0.7不合格.8.Rd01=R(1-ZCV)=3.5(1-1.645*0.12)=2.81Rd02=4.2(1-1.645*0.1)=3.51Rd03=4.7(1-1.645*0.11)4、=3.85(3.85-3.51)∶1=(3.8-3.51)∶xX=0.85采用剂量=0.85+5+(0.5~1)=6.35(%)~6.85(%)
3、-1=19合格4)单点极值hmin=18>20-2.5=17.5不扣分,即100分7.14*1000求样本R1=----------=0.792π(150/2)同样求得R2……R110.31,0.97,0.80,0.45,0.89,0.70,0.42,0.50,1.08,0.81求特征值R=0.7,S=0.25,Cv=0.360.8/(1-1.645*0.36)=1.96>R=0.7不合格.8.Rd01=R(1-ZCV)=3.5(1-1.645*0.12)=2.81Rd02=4.2(1-1.645*0.1)=3.51Rd03=4.7(1-1.645*0.11)
4、=3.85(3.85-3.51)∶1=(3.8-3.51)∶xX=0.85采用剂量=0.85+5+(0.5~1)=6.35(%)~6.85(%)
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