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浙江大学学报(工学版)
浙江大学学报(工学版)  2021, Vol. 55 Issue (12): 2267-2274    DOI: 10.3785/j.issn.1008-973X.2021.12.006
土木工程、交通工程     
基于区间层次分析的CRTS Ⅲ型板式无砟轨道开裂状况评估
任娟娟1,2(),刘宽1,2,王伟华3,张颖1,2,杨轲昕1,2,刘明明1,2
1. 西南交通大学 高速铁路线路工程教育部重点实验室，四川 成都 610031
2. 西南交通大学 土木工程学院，四川 成都 610031
3. 中国铁路设计集团有限公司, 天津 300308
Evaluation of cracking condition for CRTS Ⅲ prefabricated slab track based on interval analytic hierarchy process
Juan-juan REN1,2(),Kuan LIU1,2,Wei-hua WANG3,Ying ZHANG1,2,Ke-xin YANG1,2,Ming-ming LIU1,2
1. MOE Key Laboratory of High-speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China
2. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
3. China Railway Design Group Limited Company, Tianjin 300308, China
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摘要：

为了实现对CRTS Ⅲ型板式无砟轨道开裂的伤损管理，提出针对多条不同开裂形式裂缝的CRTS Ⅲ型板式无砟轨道开裂状况评价指标和计算方法. 通过专家咨询获取437份有效调查问卷，采用德尔菲法和区间层次分析建立结构层次以确定各参数的权重，并将所提评估方法应用于工程实例. 结果表明：与层次分析法相比，结合德尔菲法和区间层次分析求取的参数权重更具客观性；工程实例中的开裂状况评价指标CCI为75.30分，评估方法的合理性得以验证，工程实例计算结果表明所提评估方法能够定量分析无砟道床的开裂严重程度.
关键词： CRTS Ⅲ型板式无砟轨道;  开裂状况指标;  德尔菲法;  区间层次分析    
Abstract:

The slab track cracking condition index for CRTS Ⅲ prefabricated slab track and the calculation methods were proposed to realize the cracking management, and aiming at the multi-cracks in a variety of cracking forms 437 valid questionnaires were obtained through expert consultation, and the Delphi method and interval analytic hierarchy process were used to establish the structural hierarchy to determine the weight of each parameter. After that the evaluation method proposed was applied based on engineering examples. Results show that the weights of parameters obtained by the comprehensive method combining the Delphi method and the interval analytic hierarchy process are more objective, compared with only using analytic hierarchy process. Furthermore, the slab track cracking condition index CCI was 75.30 points in the engineering example, which verified the rationality of the evaluation method. In short, the calculation results of the engineering example show that the evaluation method proposed can quantitatively analyze the cracking severity of the slab bed.
Key words: CRTS Ⅲ prefabricated slab track    cracking condition index    Delphi method    interval analytic hierarchy process
收稿日期: 2021-02-10 出版日期: 2021-12-31
CLC:  U 213  
基金资助: 国家重点研发计划资助项目（2021YFF0502100）；国家自然科学基金资助项目（52022085）；四川省青年科技创新研究团队项目（22CXTD0051）
作者简介: 任娟娟（1983—），女，教授，博士，从事高速重载轨道结构力学与轨道动力学研究. orcid.org/0000-0003-4104-7385. E-mail： jj.ren@swjtu.edu.cn
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引用本文:

任娟娟,刘宽,王伟华,张颖,杨轲昕,刘明明. 基于区间层次分析的CRTS Ⅲ型板式无砟轨道开裂状况评估[J]. 浙江大学学报(工学版), 2021, 55(12): 2267-2274.

Juan-juan REN,Kuan LIU,Wei-hua WANG,Ying ZHANG,Ke-xin YANG,Ming-ming LIU. Evaluation of cracking condition for CRTS Ⅲ prefabricated slab track based on interval analytic hierarchy process. Journal of ZheJiang University (Engineering Science), 2021, 55(12): 2267-2274.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2021.12.006    或    https://www.zjujournals.com/eng/CN/Y2021/V55/I12/2267

图 1  CRTS Ⅲ 板式无砟轨道检测与评价单元的三视图
图 2  CRTS Ⅲ板式无砟轨道开裂状况示意图
图 3  基于区间层次分析法的无砟道床开裂状况的结构层次
$j$ 裂缝名称 WcT、WcB WqS
1 横向裂缝 0.09 0.095
2 纵向裂缝 0.09 0.095
3 竖向裂缝 0.18 0.18
4 龟裂 0.04 —
5 块状裂缝 0.08 —
6 贯通裂缝 0.52 0.63
表 1  3类部件表面6种形式裂缝的权重明细
开裂层 S/m2 C1 C2 C3 C4 C5 C6
B1 17.24 468 445 64 150 550 580
B2 1.458 0 0 55 0 0 0
B3 4.52 0 0 48 0 0 360
表 2  各部件及损伤表面检测面积
开裂层 ${\rm{C}}{{\rm{R}}_i}$ ${\rm{CC}}{{\rm{I}}_i}$ ${\rm{CCI}}$
B1 $2.583 \times {10^{ - 3}}$ 69.51 75.30
B2 $6.790 \times {10^{ - 4}}$ 92.30
B3 $4.333 \times {10^{ - 3}}$ 80.62
表 3  各部件CR及CCI计算结果
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