Re: Steel truss bridge

cj riley <cjriley42@...>

Since grades on railroads ar relatively flat, no adjustment needs be made to the vertical members, Otherwise, the trusses on the sides of single sheathed freight cars (STMFC content) would need to be constantly adjusted.

CJ Riley

--- On Sat, 6/28/08, Park Varieties <parkvarieties@...> wrote:

From: Park Varieties <parkvarieties@...>
Subject: Re: [STMFC] Re: Steel truss bridge
To: STMFC@...
Date: Saturday, June 28, 2008, 5:34 AM
I have a basic question about truss bridges I am sure
listmembers can answer for me even though it is a bit
off-topic for this list.

If a truss bridge is built on a grade, do the vertical
side members remain at a 90 degree angle to the track and
main bridge supports or do they take on a skewed appearance
to maintain a true vertical plumb? Thanks.
Frank Brua

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