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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

36卷

期数:

2019年03期

页码:

46-54

栏目:

出版日期:

2019-05-22

文章信息/Info

Title:

Differences Among General Pavement, Bridge Deck and Tunnel Pavement Based on PQI Inspection Data

文章编号:

1673-2049(2019)03-0046-09

作者:

史小丽¹,王亚琼¹,张 明¹,王 锋²,张 平²

(1. 长安大学 公路学院,陕西 西安 710064; 2. 陕西交通建设集团公司,陕西 西安 710075)

Author(s):

SHI Xiao-li¹, WANG Ya-qiong¹, ZHANG Ming¹, WANG Feng², ZHANG Ping²

(1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Shaanxi Provincial Communication Construction Group, Xi'an 710075, Shaanxi, China)

关键词:

路面工程;  路面使用性能指标;  PQI检测数据;  PQI差异程度;  路面小修预算

Keywords:

pavement project;  pavement quality index;  PQI inspection data;  difference of PQI;  budget for road routine maintenance

分类号:

U416

DOI:

-

文献标志码:

A

摘要:

以路龄在5年以上的6条高速公路历史路面使用性能指标(PQI)检测数据为分析对象,从PQI绝对值对比分析和差异值对比分析两方面开展研究。结果表明:绝对值对比分析得出,一般路面与300～500 m的大桥面、500～1 000 m的大桥面性能表现出相同的变化趋势,PQI值相差均在±1以内,大于1 000 m特大桥面的PQI与一般路面具有完全不同的变化趋势,最大相差3.54; 一般路面与短隧道路面、中隧道路面性能表现出相同的变化趋势,PQI值相差在±1.5以内,长隧道路面的PQI与一般路面具有完全不同的变化趋势,最大相差7.48; 差异值对比分析得出,随着桥梁长度和隧道长度的增加,一般路面与桥面PQI的差值有由一般差异向较大差异转移的倾向,一般路面与隧道路面PQI的差值有由一般差异向显著性差异转移的倾向; 在制定路面小修保养方案或计划时,应将大于1 000 m特大桥面、长和特长隧道路面与其他路面区别对待; 在编制路面小修预算清单时,单独编列“大于1 000 m特大桥面”、“长和特长隧道路面”细目,并分别进行小修工程量预测及费用计算,提高路面小修预算的精细化和精确化程度。

Abstract:

The historical pavement quality index(PQI)test data taken from six highways that were over five years old, were analyzed by comparative analysis of the absolute values and the different values of PQI. The analysis of absolute values demonstrates that the general pavement has the same variation tendency with the 300-500 m and 500-1 000 m bridge decks, and the difference of PQI is within ±1. A completely different tendency is present within the big bridge decks and general pavement, where the maximum PQI difference is 3.54. The same variation tendency is found within the general pavement, short and medium tunnel pavement, where the PQI is within ±1.5. The PQI of the long tunnel pavement has a completely different trend from that of the general pavement, with the maximum difference of 7.48. The analysis of different values shows that as the bridge length and the tunnel length increase, the PQI difference of general pavement and bridge decks varies from a general difference to a large difference. The PQI difference of the general road pavement and the tunnel pavement shifts from a general difference to a significant difference. The big bridge decks, long tunnel pavement, and super-long tunnel pavements need to be treated differently from other pavements when forming a pavement routine maintenance scheme. In compiling the budget list for minor repairs of pavement, separate details of “super-large bridge deck”, “long and super-long tunnel pavement” should be compiled, and the work amount of minor repairs and cost calculation should be carried out respectively, and the precision and accuracy of pavement repair budget can be improved.

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相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2018-09-28
基金项目:陕西省交通运输厅科技项目(16-34K); 中央高校基本科研业务费专项资金项目(300102218112)
作者简介:史小丽(1979-),女,山西永济人,副教授,工学博士,E-mail:glxl@gl.chd.edu.cn。

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更新日期/Last Update: 2019-05-23