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道路交通振动对清远楼的影响分析

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为研究道路交通振动对古建筑清远楼的影响,进行现场采集振动数据,通过建立清远楼的数值模型,研究其不同位置的振动响应规律,并进行安全性评估。分析结果表明:清远楼所受的交通流量分布和道路状况密切相关,木结构在东西方向的振动强度接近规范限值,在其他环境振动因素的叠加下,可能存在超限的风险;清远楼各测点的速度变化趋势基本一致,振源距道路越远,振动响应越小,随着结构层数的增加,振动响应逐渐增大;从受影响的位置来判断檐柱一层顶部所受振动影响较大,而金柱则要关注顶层位置。
Analysis of the Impact of Road Traffic Vibration on Qingyuan Building
In order to study the impact of road traffic vibration on ancient Qingyuan Building,the vibration data was collected on site,and the vibration response law of different locations was studied by establishing a numerical model,and the safety assessment was car-ried out.The analysis results show that the traffic flow distribution is closely related to the road conditions,and the vibration intensity of the timber structure in the east-west direction is close to the code limit,and there may be a risk of exceeding the limit under the su-perposition of other environmental vibration factors.The velocity change trend of each measurement point in Qingyuan Building is basi-cally the same,and the farther the vibration source is from the road,the smaller the vibration response,and the vibration response grad-ually increases with the increase of the number of structural layers.Judging from the affected position,the top of the first floor of the eaves column is greatly affected by vibration,while the hypostyle column should pay attention to the position of the top layer.

traffic vibrationancient buildingfinite element simulationvibration response

兰家旭、周占学、邱利军

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河北建筑工程学院,河北 张家口 075000

河北省土木工程诊断改造与抗灾重点实验室,河北 张家口 075000

交通振动 古建筑 有限元模拟 振动响应

2024

黑龙江交通科技
黑龙江省交通科学研究所,黑龙江省交通科技情报总站

黑龙江交通科技

影响因子:0.977
ISSN:1008-3383
年,卷(期):2024.47(12)