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[1]姜南标,胡夏闽,洪万.木楼板和混凝土楼板振动舒适度的对比分析[J].南京工业大学学报(自然科学版),2017,39(02):77-82.[doi:10.3969/j.issn.1671-7627.2017.02.013]
 JIANG Nanbiao,HU Xiamin,HONG Wan.Comparative analysis on vibration comfort of timber slab and concrete slab[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(02):77-82.[doi:10.3969/j.issn.1671-7627.2017.02.013]
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木楼板和混凝土楼板振动舒适度的对比分析()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年02期
页码:
77-82
栏目:
出版日期:
2017-03-20

文章信息/Info

Title:
Comparative analysis on vibration comfort of timber slab and concrete slab
文章编号:
1671-7627(2017)02-0077-06
作者:
姜南标胡夏闽洪万
南京工业大学 土木工程学院,江苏 南京 211800
Author(s):
JIANG NanbiaoHU XiaminHONG Wan
College of Civil Engineering,Nanjing Tech University,Nanjing 211800,China
关键词:
振动舒适度 自振频率 边界条件 行走荷载 振动响应
Keywords:
vibration comfort natural frequency boundary conditions walking loads vibration responses
分类号:
TU225
DOI:
10.3969/j.issn.1671-7627.2017.02.013
文献标志码:
A
摘要:
为探讨木楼板和混凝土楼板的振动舒适度,对其进行了对比分析。通过有限元软件对楼板进行模态分析,得到其自振频率,并与理论值进行比较,两者极为接近。在此基础上,分析了木楼板和混凝土楼板在行走荷载作用下的振动响应。研究结果表明:同等条件下,木楼板的自振频率比混凝土楼板更大,从自振频率这一指标来看,木楼板的振动舒适度更好; 但是木楼板在行走荷载作用下的峰值位移、速度以及加速度比混凝土楼板大得多,从振动响应这一指标来看,木楼板的振动舒适度则比混凝土楼板要差得多。在有限元分析的基础上,建议采用限制频率和限制楼板的振动响应的双重指标作为木楼板振动舒适度的评价标准,并可采用限制楼板的尺寸、优化结构体系以及使用组合楼板等方法来提高木楼板的振动舒适度。
Abstract:
Comparative analysis was carried out to discuss the vibration comfort of timber slab and concrete slab.Finite element modeling(FEM)was conducted to achieve the natural frequencies of slabs.The results obtained from FEM showed good agreement with theoretical results.Based on the modeling,vibration responses of slabs under human walking loads are analyzed.The research showed that natural frequency of timber slab was greater than that of concrete slab,and from the point of frequency-based index,the vibration comfort of timber slab is better.However,the peak values of displacement,velocity and acceleration of timber floor under human walking loads are much bigger than those of concrete slab respectively,and from the point of vibration response-based index,the vibration comfort of timber slab is much worse than concrete slab.Based on finite element simulation,it is recommended to apply both frequency-based index and vibration response-based index to evaluate the vibration comfort of timber slab.Meanwhile,some measures(size restrictions,structural optimization and development of composite slab)are presented to improve the vibration comfort of timber slab.

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相似文献/References:

[1]陆伟东,刘学晨,文建国,等.基于振动舒适度的建筑物楼板设计方法[J].南京工业大学学报(自然科学版),2008,30(01):16.[doi:10.3969/j.issn.1671-7627.2008.01.004]
 LU Wei-dong,LIU Xue-chen,WEN Jian-guo,et al.Floor slab design method based on the vibration comfort degree[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2008,30(02):16.[doi:10.3969/j.issn.1671-7627.2008.01.004]
[2]姜南标,胡夏闽,洪万.木-混凝土组合楼盖振动舒适度有限元分析[J].南京工业大学学报(自然科学版),2016,38(05):21.[doi:10.3969/j.issn.1671-7627.2016.05.004]
 JIANG Nanbiao,HU Xiamin,HONG Wan.Finite element analysis on vibration comfort of timber-concrete composite floor[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2016,38(02):21.[doi:10.3969/j.issn.1671-7627.2016.05.004]

备注/Memo

备注/Memo:
收稿日期:2015-11-29
基金项目:国家自然科学基金(51478220)
作者简介:姜南标(1991—),男,江苏盐城人,硕士,主要研究方向为组合结构; 胡夏闽(联系人),教授,E-mail:verbundbau@163.com.
引用本文:姜南标,胡夏闽,洪万.木楼板和混凝土楼板振动舒适度的对比分析[J].南京工业大学学报(自然科学版),2017,39(2):77-82..
更新日期/Last Update: 2017-03-20