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RE: railroad ties - strength

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Go to The Railway Tie Association at


Go into publications and download the “Tie Guide”.  This is a good publication on railway ties.  It goes into the history of them as well as how they are treated and the properties of the ties for different type of ties.


Good luck.


Marlou Rodriguez, S.E.

MBRodriguez Engineering Inc.

2355 Oakland Road, Suite 14

San Jose, CA 95131

Tel: (408) 432-4866

From: Andrew Kester, PE [mailto:akester(--nospam--at)]
Sent: Thursday, December 28, 2006 11:09 AM
To: seaint(--nospam--at)
Subject: railroad ties - strength


I have a job where they want to use 7"x9" railroad ties. These are recycled from various places throughout the SE US, literally taken up from railroad beds.


Does anyone have any information regarding bending stresses?


I have already run numbers, and with the post spacing and retained soil I will have, a 2x8 would work for the worse case bottom board. I cannot imagine these things being so weak that they would not work.


I have already googled and looked on AWC website..