I've found this file on internet about some problems that the amtrak faced with concrete ties a couple of years ago.
The material is very interesting, I wonder if they completed the replacement of all the damaged ties... Any of you guys have the contact of the Alfred J. Cloutier (Assistant...
Im currently studying about cracks on railway ties.
I work in the Metro of Recife, Brazil... We are facing this problem now, if you guys have any material that may help me understand better the situation, i would be very pleased