ext_40398 ([identity profile] alicephilippa.livejournal.com) wrote in [personal profile] alicephilippa 2006-07-18 09:26 am (UTC)

I thought that with continuous weld, the problem was lengthwise expansion and contraction, leading to buckling.

Traction problems on slippery rail? That's what sanders were for.

Alice.

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