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・ Breathe In. Breathe Out.
・ Breathe Into Me
・ Breathe Life into Me
・ Breathe Me
・ Breathe on Me
・ Breathe Out, Breathe In
・ Breathe Slow
・ Breathe You In
・ Breathe, Stretch, Shake
・ Breather
・ Breather (company)
・ Breather (disambiguation)
・ Breather Life
・ Breather Resist
・ Breather surface
Breather switch
・ Breathful
・ Breathing
・ Breathing (band)
・ Breathing (disambiguation)
・ Breathing (film)
・ Breathing (Jason Derulo song)
・ Breathing (Kate Bush song)
・ Breathing (lens)
・ Breathing (Lifehouse song)
・ Breathing (memorial sculpture)
・ Breathing (Triptykon song)
・ Breathing and Not Breathing
・ Breathing bridge
・ Breathing Color


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Breather switch : ウィキペディア英語版
Breather switch

A breather switch, expansion joint, or adjustment switch is an intentional gap in railway tracks to allow for expansion in long sections of otherwise unbroken rail. They are placed between very long sections of continuous welded rail (CWR) or at the transition between CWR and jointed track, and commonly in the vicinity of bridges and viaducts where the infrastructure and track may expand at different rates.
The mating sections are tapered diagonally (unlike a butt joint between two lengths of rail), allowing smoother transitions and higher speeds across the gap.
Breather switches have two advantages over jointed track: they eliminate the small gap between the rails, eliminating or significantly reducing the noise and vibration caused by passing trains, and, where CWR is particularly prone to expansion, they act as relief points to ensure that track does not warp out of shape or cause a sun kink.
==References==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Breather switch」の詳細全文を読む



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