[1]张军,申俊敏,赵建斌..交通荷载作用下高填方涵洞动力响应研究[J].郑州大学学报(工学版),2013,34(04):10-14.[doi:10.3969/j.issn.1671-6833.2013.04.003]
　ZHANG Jun,SHEN Jun-min,ZHAO Jian-bin.Analysis of Dynamic Response of High Embankment Culverts under Traffic Loads[J].Journal of Zhengzhou University (Engineering Science),2013,34(04):10-14.[doi:10.3969/j.issn.1671-6833.2013.04.003]
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交通荷载作用下高填方涵洞动力响应研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
34
期数:
2013年04期
页码:
10-14
栏目:
出版日期:
2013-09-09

文章信息/Info

Title:
Analysis of Dynamic Response of High Embankment Culverts under Traffic Loads
作者:
张军; 申俊敏; 赵建斌.
山西省交通科学研究院黄土地区公路建设与养护技术交通行业重点实验室,山西太原,030006, 山西省交通科学研究院黄土地区公路建设与养护技术交通行业重点实验室,山西太原,030006, 山西省交通科学研究院黄土地区公路建设与养护技术交通行业重点实验室,山西太原,030006
Author(s):
ZHANG Jun; SHEN Jun-min; ZHAO Jian-bin
Key Laboratory of Highway Construction and Maintenanee Technology in Loess Region ,Shanxi Transportation Research lInstitu-te，Taiyuan 030006，China
关键词:
交通荷载;  高填方路堤;  涵洞;  动力响应
Keywords:
traffic load; high embankment ;  culvert ;  dynamic response
分类号:
U449.84
DOI:
10.3969/j.issn.1671-6833.2013.04.003
摘要:
通过建立高填方路堤下拱涵数值模型,对拱涵修筑和路堤填筑过程进行了模拟.在道路顶面沿纵向施加循环交通荷载,探究拱涵在交通荷载作用下的受力与变形的动力响应.着重论述了荷载循环次数、荷载大小以及行车速度对拱涵动力响应的影响.结果表明:在交通荷载作用下,拱圈结构受力较大,为拱涵最薄弱的位置;当荷载循环次数大于8次时,路面沉降与涵顶垂直土压力趋于稳定;涵顶土压力随交通荷载的增大而逐渐增加;行车速度对涵顶垂直土压力和基底土压力影响较小.
Abstract:
A numerical model of arch culvert was established and the process of installation of the culvert andconstruction of the embankment were simulated. Then the traffic loads were applied on vertical section of theroad,and parametric studies were carried out to investigate the influence of cycle times, traffic loads and vehi-cle speeds on the dynamic responses of arch culvert. The results show that the arch is the most vulnerablecomponent of the whole culvert under traffic loads. After eight times cycle of traffic loads，the settlement ofroad surface and the vertical earth pressure on the top of culvert tends to be stable.The vertical earth pressureat the top of culvert increases as the traffic loads increase.The vertical earth pressures both at the top and bot-tom of culverts are not sensitive to the variations of the vehicle speeds.

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更新日期/Last Update: 1900-01-01