Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies
The mining, steel and oil industry is currently investing considerable amounts in extraction and refinement of natural resources in the northern part of Scandinavia. Also the cultural exchange between the countries in the Barents region is rapidly increasing, therefore the Swedish Railway administra...
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ftluleatu:oai:DiVA.org:ltu-51690 2024-06-09T07:44:59+00:00 Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies Bennitz, Anders 2006 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-51690 eng eng http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-51690 Local 8e3c66f7-3470-4811-9730-d5d26e8df024 info:eu-repo/semantics/openAccess Technology Dynamic properties Finite element Bridges Concrete Accelerometers Eigenfrequencies Natural frequencies Displacements railway bridges Teknik Student thesis info:eu-repo/semantics/bachelorThesis text 2006 ftluleatu 2024-05-15T08:06:18Z The mining, steel and oil industry is currently investing considerable amounts in extraction and refinement of natural resources in the northern part of Scandinavia. Also the cultural exchange between the countries in the Barents region is rapidly increasing, therefore the Swedish Railway administration have launched several projects aimed at increasing the accessibility of the railway lines to meet future demands. One of these lines connects the southern and northern part of Sweden and constitutes one of the major arteries for the transportation of heavy goods between the northern steel mills and the manufacturing industry located in the south of Sweden. Major investment are planned to upgrade the load bearing capacity, the axle load, of this railway line. This work is mainly focused on the larger structures and their dynamical properties. Today, these properties can be used to assess existing infrastructure and to evaluate the performance. Advantages are obvious since the existing structural integrity form the base for any investments in structural repair and upgrade of railway bridges. Especially one bridge has come into focus, the Vindel River Railway Bridge situated 55 kilometers northwest of UmeÃ¥, since large motion was discovered during train passages. So far, the behaviour of the bridge crossing the river of Vindeln has been measured two times, one in September and one in December 2005. Measurements of displacements and acceleration of the bridge during train passages has been conducted using accelerometers, LVDT’s and laser instruments. The first measurements was done to give more experience on the motion of the bridge and to try out new sensors. The second measurements in December gave much more information of the bridge motions, results that could be used to calibrate a 3D Finite Element Model (FEM) of the bridge in a study conducted by a visiting researcher from China, Professor Guojing He. Based on measurements, natural frequencies of the bridge (eigenfrequencies) in the range of 0 to 8 Hz could ... Bachelor Thesis barents region Luleå University of Technology Publications (DiVA) |
institution |
Open Polar |
collection |
Luleå University of Technology Publications (DiVA) |
op_collection_id |
ftluleatu |
language |
English |
topic |
Technology Dynamic properties Finite element Bridges Concrete Accelerometers Eigenfrequencies Natural frequencies Displacements railway bridges Teknik |
spellingShingle |
Technology Dynamic properties Finite element Bridges Concrete Accelerometers Eigenfrequencies Natural frequencies Displacements railway bridges Teknik Bennitz, Anders Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
topic_facet |
Technology Dynamic properties Finite element Bridges Concrete Accelerometers Eigenfrequencies Natural frequencies Displacements railway bridges Teknik |
description |
The mining, steel and oil industry is currently investing considerable amounts in extraction and refinement of natural resources in the northern part of Scandinavia. Also the cultural exchange between the countries in the Barents region is rapidly increasing, therefore the Swedish Railway administration have launched several projects aimed at increasing the accessibility of the railway lines to meet future demands. One of these lines connects the southern and northern part of Sweden and constitutes one of the major arteries for the transportation of heavy goods between the northern steel mills and the manufacturing industry located in the south of Sweden. Major investment are planned to upgrade the load bearing capacity, the axle load, of this railway line. This work is mainly focused on the larger structures and their dynamical properties. Today, these properties can be used to assess existing infrastructure and to evaluate the performance. Advantages are obvious since the existing structural integrity form the base for any investments in structural repair and upgrade of railway bridges. Especially one bridge has come into focus, the Vindel River Railway Bridge situated 55 kilometers northwest of Umeå, since large motion was discovered during train passages. So far, the behaviour of the bridge crossing the river of Vindeln has been measured two times, one in September and one in December 2005. Measurements of displacements and acceleration of the bridge during train passages has been conducted using accelerometers, LVDT’s and laser instruments. The first measurements was done to give more experience on the motion of the bridge and to try out new sensors. The second measurements in December gave much more information of the bridge motions, results that could be used to calibrate a 3D Finite Element Model (FEM) of the bridge in a study conducted by a visiting researcher from China, Professor Guojing He. Based on measurements, natural frequencies of the bridge (eigenfrequencies) in the range of 0 to 8 Hz could ... |
format |
Bachelor Thesis |
author |
Bennitz, Anders |
author_facet |
Bennitz, Anders |
author_sort |
Bennitz, Anders |
title |
Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
title_short |
Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
title_full |
Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
title_fullStr |
Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
title_full_unstemmed |
Dynamic behaviour of the Vindel River railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
title_sort |
dynamic behaviour of the vindel river railway bridge : measurements and evaluation for eisplacements and eigenfrequencies |
publishDate |
2006 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-51690 |
genre |
barents region |
genre_facet |
barents region |
op_relation |
http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-51690 Local 8e3c66f7-3470-4811-9730-d5d26e8df024 |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1801373906842419200 |