[1]陈 双,莫 忧,胡 建.高温尾喷作用下水泥混凝土道面的疲劳损伤[J].西安建筑科技大学学报(自然科学版),2021,53(02):194-201.[doi:10.15986/j.1006-7930.2021.02.007]
　CHEN Shuang,MO You,HU Jian.Fatigue damage of cement concrete pavement under high temperature tail spray[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2021,53(02):194-201.[doi:10.15986/j.1006-7930.2021.02.007]
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高温尾喷作用下水泥混凝土道面的疲劳损伤()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
53
期数:
2021年02期
页码:
194-201
栏目:
出版日期:
2021-04-28

文章信息/Info

Title:
Fatigue damage of cement concrete pavement under high temperature tail spray
文章编号:
1006-7930(2021)02-0194-08
作者:
陈 双1; 莫 忧2; 胡 建3
(1.广安职业技术学院 土木工程学院,四川 广安 638000; 2.四川农业大学 土木工程学院,四川 成都 611130; 3.四川农业大学 水利水电学院,四川 雅安 625014)
Author(s):
CHEN Shuang1;  MO You2;  HU Jian3
(1.College of Civil Engineering, Guang’an Vacational & Technical College, Guang’an 638000, China; 2.College of Civil Engineering, Sichuan Agricultural University, Chengdu 611130, China; 3.College of Water Resource & Hydropower, Sichuan Agricultural University, Yaan 625014, China)
关键词:
水泥混凝土;  疲劳损伤;  温度应力;  高温作用;  Miner原理
Keywords:
cement concrete;  fatigue damage;  temperature stress;  high temperature action;  Miner principle
分类号:
TU528.0
DOI:
10.15986/j.1006-7930.2021.02.007
文献标志码:
A
摘要:
为研究新型飞机尾喷气流对混凝土道面的作用特性,在分析飞机尾喷口结构特性的基础上,得到了尾喷作用在道面表面的温度场,并运用有限元软件ABAQUS对道面温度应力进行了计算,根据发动机不同的工作状态,分析了尾喷温度场及道面板温度应力分布规律,发现尾喷口尺寸、尾喷口温度与温度场最大温度和道面板温度应力呈线性关系,道面上最大温度为269 ℃,最大温度应力为3.112 MPa; 运用MTS疲劳试验系统,对温度应力作用下道面混凝土的疲劳特性进行了试验研究,得到了荷载与寿命的关系曲线,并根据线性累积损伤假定,建立了机场道面在飞机尾喷疲劳作用下的寿命预测模型.
Abstract:
In order to study the action characteristics of the new aircraft wake on the concrete pavement, based on the analysis of the structural characteristics of the aircraft wake, the temperature field of the wake on the pavement surface is obtained, and the temperature stress of the pavement is calculated by using the finite element software ABAQUS. According to the different working conditions of the engine, the temperature field of the wake and the temperature stress distribution of the pavement are analyzed. It is found that the maximum temperature on the pavement is 269 ℃, and the maximum temperature stress is 3.112 MPa. The MTS fatigue test system is used to study the fatigue characteristics of pavement concrete under the action of temperature stress. The relationship curve between load and life is obtained, and the linear cumulative damage assumption is used. The life prediction model of airfield pavement under aircraft tail spray fatigue is established.

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(编辑 桂智刚)

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备注/Memo

备注/Memo:
收稿日期:2020-04-07 修改稿日期:2021-03-20
基金项目:四川省教育发展研究中心基金项目(CJF19096)
第一作者:陈 双(1983-),女,硕士,讲师,主要研究方向为土木工程计算.E-mail:chenshuang_guangan@outlook.com
更新日期/Last Update: 2021-04-28