基于调研与实测的高架地铁轨道的振动影响研究
Study on Vibration Influence of Elevated Metro Track Based on Investigation and Measurement
- 机车电传动 2019年第4期 页码：72-76,130
- 作者机构：
1.北京科技大学 土木与资源工程学院，北京 100083
2.强震区轨道交通工程抗震研究北京市国际科技合作基地，北京 100083
- 作者简介：
宋波（1962—），男，博士，教授，博导，主要研究方向为城市基础设施（桥梁、港湾、电力设施等）的抗震及减灾。
- 基金信息：
DOI：10.13890/j.issn.1000-128x.2019.04.016
中图分类号：
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宋波, 张辉, 呼延辰昭, 等. 基于调研与实测的高架地铁轨道的振动影响研究[J]. 机车电传动, 2019,(4):72-76,130.
Bo SONG, Hui ZHANG, Chenzhao HUYAN, et al. Study on Vibration Influence of Elevated Metro Track Based on Investigation and Measurement[J]. Electric Drive for Locomotives, 2019,(4):72-76,130.
宋波, 张辉, 呼延辰昭, 等. 基于调研与实测的高架地铁轨道的振动影响研究[J]. 机车电传动, 2019,(4):72-76,130. DOI： 10.13890/j.issn.1000-128x.2019.04.016.
Bo SONG, Hui ZHANG, Chenzhao HUYAN, et al. Study on Vibration Influence of Elevated Metro Track Based on Investigation and Measurement[J]. Electric Drive for Locomotives, 2019,(4):72-76,130. DOI： 10.13890/j.issn.1000-128x.2019.04.016.
摘要
以北京城区内某地铁高架桥为研究对象，采用现场监测、问卷调研等方法，探讨了高架轨道列车运营产生的振动对周边环境的影响规律，结合人体全身振动的接触限值规定，对高架轨道交通振动的影响进行了评价与分析。研究结果表明：以高架桥轨道位置为基点，随着与基点距离的增大，轨道振动的影响逐渐减弱；对于水平方向的振动响应，以平行于列车运营方向的振动分量为主要影响因素。结合不同桥墩的监测结果发现，其振动加速度峰值发生时刻点具有一定的滞后性，在对高架轨道交通振动的环境影响进行评价时，相位差因素应予以必要的考虑。发现体感振动与实测值的差异性较大时，应当以现场监测结果作为振动影响评价的主要依据。结合人体承受全身振动评价标准，对北京城区内典型高架桥段附近的建筑物的规划合理性进行了验证，为高架桥周边区域的建设规划提供了参考依据。
Abstract
Taking some one subway viaduct in Beijing city as the object of study, the vibration influence of the operation of the elevated track trains on the surrounding environment was discussed by field measurement, questionnaire research methods. Combined with human body feeling limit of the vibration exposure, the vibration influence of the elevated rail transit was evaluated and analyzed. The results showed that the influence of the orbital vibration was gradually weakened when the distance from the base point increased by means of taking the position of the viaduct as the base point, and the vibration component parallel to the train operation direction was the main influencing factor of the horizontal direction vibration response. Combined with different bridge pier field measurement results, the time of occurrence of the vibration acceleration peak has a certain lag. Phase difference factors should be considered necessarily in the evaluation of the environmental impact of elevated rail vibration. For the case that there is a big difference between the sensation and the measurement, the results of on-site monitoring should be taken as the main basis for vibration impact assessment.Based on the whole body vibration evaluation standard, the planning rationality of the buildings near viaduct was verified, which provided a favorable reference for regional planning around the viaduct.
关键词
高架轨道城市轨道交通交通振动现场监测体感振动振动评价
Keywords
elevated trackurban rail transittraffic vibrationfield measurementvibration body sensationvibration evaluation
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