Session 3b Mikael Ögren.pdf

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Markvibrationer från tågtrafik Mikael Ögren [email protected]

Transcript of Session 3b Mikael Ögren.pdf

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Markvibrationer från tågtrafik

Mikael Ö[email protected]

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TVANE

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Indata

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FEM/BEM

qtp

cp =

∂∂−∇ 2

2

22 1

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Vibrationskällor

• Långvågigaojämnheter

• Varierande styvhet

• Växlar

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Åtgärder – Vibrationer

• Vibrationsisolering av spåret

• Mekanisk kortslutning

• Utbredningsåtgärder

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Rådata

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Tidsvägning

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Maximalnivå

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Kungsb. mark

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Kungsb. hus

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Alingsås mark

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Alingsås hus

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Starkare vibrationer

• Ej detaljkunskap om varje byggnad• Statistiska metoder


Mikael Ahlerup

Mikael Ahlerup

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