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[试验检测师] 公路评分题 [复制链接]

1#
工程质量等级评定例题Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
1、某土方路基质量评定,经对压实度、弯沉、平整度等8项指标检测,各指标合格率如表所示,其中压实度代表值大于压实度标准值,弯沉代表值满足要求。外观缺陷和资料不全扣分分别为8分和6分。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

检查项目Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

压实度Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

弯沉Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

纵断高程Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

中线偏位Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

宽度Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

平整度Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

横坡Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

边坡Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

合格率(%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

90Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

100Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

75Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

90Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

85Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

75Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

90Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

80Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

3Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

3Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

(1)请评定该路段土方路基质量等级。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(2)如评定结果不合格,那么如何改进该土方路基的质量?如评定结果合格,为了进一步提高该土方路基的质量,则应采取什么措施。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
解:(1)检测项目得分分别为:91、100、75、90、85、75、90、80Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
土方路基分项工程得分:(90×3+100×3+75×2+90×2+85×2+75×2+90×1+80×1)/(3+3+2+2+2+2+1+1)=86.9分Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
土方路基分项工程评分值=86.9-8-6=72.9(分),小于75分Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
小于75分,故质量等级评定为不合格。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(2)改进措施:提高检查项目的合格率,纵观检测项目的合格率和规定分,首先应提高压实质量,进行补充压实,使压实度合格率提高。其次提高平整度合格率;补充质量保证资料,减少扣分;整修外观缺陷,减少扣分。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
路基、路面压实度评定例题Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
2.某二级公路路基压实质量检验,经检测各点(共12个测点)的干密度分别为1.721.691.711.761.781.761.681.751.741.731.731.70(g/cm3),最大干密度为1.82g/cm3,试按95%的保证率评定该路段的压实质量是否满足要求(压实度标准为93%)。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

  Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

保证率Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

保证率系数ZaÁƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=10Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=11Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=12Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

99%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.892Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.833Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.785Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2.327Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

95%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.580Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.546Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.518Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.645Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

90%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.437Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.414Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.393Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.282Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

97.72%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.814Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.761Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.718Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2.00Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

93.32%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.537Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.506Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.481Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.50Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

解:(1)计算各测点的压实度Ki(%)分别为:94.5、92.9、94.0、96.7、97.8、96.7、92.3、96.2、95.6、95.1、 95.1、93.4Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(2)计算平均值 和标准偏差S Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
=95.0%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
S=1.68%
Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(3)计算代表值,当95%保证率n=12时,查表得: Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
K= - ·S=95.0-0.518×1.68=94.1%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(4)评定K0=93%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
因K>K0Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
且Ki min=92.3%>88%(极值标准)所以该评定路段的压实质量满足要求。
Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
路面结构层厚度评定例题Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
3.某高速公路二灰稳定砂砾基层设计厚度为18cm,代表值允许偏差为-8mm,极值允许偏差为-15mm。评定路段厚度检测结果(12个测点)分别为17.517.718.218.618.118.8、、17.617.819.119.317.417.9cm,试按保证率99%评定该路段的厚度是否合格?并计算合格率Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
  Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

保证率Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

保证率系数ZaÁƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=10Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=11Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

n=12Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

99%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.892Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.833Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.785Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2.327Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

95%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.580Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.546Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.518Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.645Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

90%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.437Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.414Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.393Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.282Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

97.72%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.814Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.761Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.718Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

2.00Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

93.32%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.537Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.506Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

0.481Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

1.50Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ

Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
解:(1)厚度平均值Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
=(17.5+17.7+18.2+18.6+18.1+18.8+17.6+17.8+19.1+19.3+17.4+17.9)/12=18.17cmÁƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(2)标准偏差S=0.64cm,查表得: =0.785Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(3)厚度代表值 = Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(4)该路段厚度代表值符合要求。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(5)由于各检测值Xi>18-0.8=17.2cm故合格率为100%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
路基、柔性基层、沥青路面弯沉值评定例题Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
4、某检测组对某一已完工的路基进行弯沉测试,共测得27个弯沉值,其数据如下:6052104110901562247014013070 1002101041708086745460104702181001105040 (0.01mm),请计算该路段的弯沉代表值。(采用2S法,取Za=2.0)。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
解:(1)将上述27个数据计算得: =105(0.01mm),S=51.6(0.01mm),CV=49.1%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
采用2S法,将超出 ±2S范围的作为特异值,即凡大于 + 2S=208的观测值舍弃,有三个:224,210,218。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(2)重新计算其余24个观测值得: =91,S=34,CV=37.4%Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
采用2S法,将超出 ±2S范围的作为特异值即凡大于 + 2S=129的观测值舍弃,又有三个:170,156,140。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(3)重新计算其余21个观测值得: =82(0.01mm),S=24.5(0.01mm),CV=29.9%,无特异值。‘’ Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
(4)计算弯沉代表值: Lr+2S=82+2×24.5=122(0.01mm)。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
水泥混凝土抗压强度评定例题Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
5、某桥基础所需混凝强度等级为C20,施工过程中制取的3组混凝土立方体试件28天抗压强度如下表所示,试评定该混凝土强度等级是否合格。Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
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2#

还行吧Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
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可否发给我一份全的呢?谢谢楼主了 154477649是我的qq,发我qq邮箱呗 万分感谢Áƒÿ aLû"Efbbs.3c3t.comg<v… zi0Ÿ
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