Railway Maintenance Engineer Dec. 1921 Talks about "A Modern Concrete
Slab and Pile Plant" Havelock, Neb
Railway Maintenance Engineer June 1921 "How Concrete Pile Trestles are
Built" Gives drawings for trestles, Loading piles and slabs on flat
cars, Driving head for Concrete Piles, Plants at Havelock, and
Bridgeport, Neb; Galesburg, Ill; Hannibal,Mo.
Engineering News Record(a neat old publication to railfan in)Aug.
26.1911
"Concrete Pile Driving Practice on the Burlington Railroad" Using piles
of both square and round with the round piles for sand and had a hole
the entire length to shoot water into to help drive it.
Engineering News Record April 23, 1910 " Reinforced Concrete Trestles
for Railways"
CB&Q Started to build Concrete Trestles in 1908
As a society we need to reprint these articles for the modelers in our
group. Dave I hope you are not using any of the Campbell trestles on
the Layout. I do not believe I saw any on Mike's
SJH
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