Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method

碩士 === 國立臺灣海洋大學 === 系統工程暨造船學系 === 93 === Abstract The purpose of this thesis is mainly to establish the prediction model of ground borne vibration induced by surface and underground track systems. Basically, the analysis model on soil vibration is based on the finite element method (FEM). To validat...

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Main Authors: Kuo-Lun Weng, 翁國倫
Other Authors: Rong-Juin Shyu
Format: Others
Language:zh-TW
Published: 2005
Online Access:http://ndltd.ncl.edu.tw/handle/52867868041826910377
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spelling ndltd-TW-093NTOU53450182016-06-01T04:25:07Z http://ndltd.ncl.edu.tw/handle/52867868041826910377 Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method 軌道系統引發土壤振動之有限元素法預估 Kuo-Lun Weng 翁國倫 碩士 國立臺灣海洋大學 系統工程暨造船學系 93 Abstract The purpose of this thesis is mainly to establish the prediction model of ground borne vibration induced by surface and underground track systems. Basically, the analysis model on soil vibration is based on the finite element method (FEM). To validate the correctness of the prediction model, two experiments are carried out for comparisons. One experiment was a dropped weight experiment undertaken on the area of Ding-Pu Science Park of the extension route of Tu-Chern line of Taipei (MRT). The measured ground borne vibration data are compared with that obtained by FEM, in which only the soil is modeled. While the other experiment is carried out at Chiang Kai-Shek Memorial Hall station of Xindian line of Taipei MRT. Also the measured ground borne vibration spectrum is compared with that attained by FEM, in which both the soil and the tunnel wall structure are taking into consideration. The input excitation is determined by measuring the train passing by and vibration impact test at the same site. Both comparisons show that the error is within 2~11persent, which validates the prediction model. An application example is the modeling of the Xin-Yi line of Taipei MRT, the prediction of ground borne vibration has discussed. Also, the regression curve of ground borne vibration at different distance generated by passing train is obtained. This result can also be used to predict the ground borne vibration of passing train through cross-overs, curved sections, and the rail before and after grinding. Key words:track system, ground borne vibration, drop weight experiment, tunnel, frequency response, cross-over Rong-Juin Shyu 許榮均 2005 學位論文 ; thesis 127 zh-TW
collection NDLTD
language zh-TW
format Others
sources NDLTD
description 碩士 === 國立臺灣海洋大學 === 系統工程暨造船學系 === 93 === Abstract The purpose of this thesis is mainly to establish the prediction model of ground borne vibration induced by surface and underground track systems. Basically, the analysis model on soil vibration is based on the finite element method (FEM). To validate the correctness of the prediction model, two experiments are carried out for comparisons. One experiment was a dropped weight experiment undertaken on the area of Ding-Pu Science Park of the extension route of Tu-Chern line of Taipei (MRT). The measured ground borne vibration data are compared with that obtained by FEM, in which only the soil is modeled. While the other experiment is carried out at Chiang Kai-Shek Memorial Hall station of Xindian line of Taipei MRT. Also the measured ground borne vibration spectrum is compared with that attained by FEM, in which both the soil and the tunnel wall structure are taking into consideration. The input excitation is determined by measuring the train passing by and vibration impact test at the same site. Both comparisons show that the error is within 2~11persent, which validates the prediction model. An application example is the modeling of the Xin-Yi line of Taipei MRT, the prediction of ground borne vibration has discussed. Also, the regression curve of ground borne vibration at different distance generated by passing train is obtained. This result can also be used to predict the ground borne vibration of passing train through cross-overs, curved sections, and the rail before and after grinding. Key words:track system, ground borne vibration, drop weight experiment, tunnel, frequency response, cross-over
author2 Rong-Juin Shyu
author_facet Rong-Juin Shyu
Kuo-Lun Weng
翁國倫
author Kuo-Lun Weng
翁國倫
spellingShingle Kuo-Lun Weng
翁國倫
Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
author_sort Kuo-Lun Weng
title Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
title_short Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
title_full Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
title_fullStr Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
title_full_unstemmed Estimation of Ground Borne Vibration Induced by Track System using Finite Element Method
title_sort estimation of ground borne vibration induced by track system using finite element method
publishDate 2005
url http://ndltd.ncl.edu.tw/handle/52867868041826910377
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