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- Newsgroups: rec.railroad
- Path: sparky!uunet!portal!ntmtv!adrian
- From: adrian@ntmtv.UUCP (Adrian Brandt)
- Subject: Re: European track
- Message-ID: <1993Jan23.003108.14620@ntmtv>
- Sender: news@ntmtv
- Nntp-Posting-Host: zephyr
- Organization: Northern Telecom Inc, Mountain View, CA
- References: <1993Jan22.191052.9723@ntmtv> <C19v1z.7wr@boi.hp.com>
- Date: Sat, 23 Jan 1993 00:31:08 GMT
- Lines: 35
-
- In article <C19v1z.7wr@boi.hp.com>, guy@boi.hp.com () writes:
- > In <1993Jan22.191052.9723@ntmtv>, Adrian Brandt (adrian@ntmtv.UUCP) wrote:
- > >In article <63601@mimsy.umd.edu>, mangoe@cs.umd.edu (Charley Wingate) writes:
- > >> It might be pointed out that the range of AVERAGE daily temperature in the
- > >> american plains is on the order of 100 degrees F (~55 degrees C).
- > >
- > >Nope. Try ~38 degrees C. Recall that: C(F) = (F - 32) / 1.8.
-
- > Sorry. 55 was correct. He was talking about a range not a single temp.
- > 100 degF range is a 55 degC range (actually closer to 56).
-
- Whoops! I mis-read Charley to be saying 100F = ~55C.
-
- Europe does however approach similar ranges in that they do get
- temps as high as ~38C during heat waves and as low as ~-10C during
- winter cold snaps. I'm willing to concede that the US plains are
- probably more consistent in seeing those ranges, but I don't think
- the difference is big enough to fully explain differences in US and
- European track engineering practices.
-
- I understand another area where track construction and maintenance
- has some interesting temperature-related problems is on the Trans-
- Siberian RR. They have to deal with extreme cold and its effects on
- the track and underlying roadbed. I believe the ground is prone to
- problems like heaving/buckling/cracking due to freezing. Also, the
- endlessly long distances through rather harsh & desolate areas make
- keeping the line up and running particularly difficult.
-
- Perhaps someone familiar with this line can provide more specifics...
-
- --
-
- Adrian Brandt (415) 940-2379
- UUCP: ...!ames!ntmtv!adrian
- ARPA: ntmtv!adrian@ames.arc.nasa.gov
-