Milwaukee Road erected two glued-laminated (glulam) timber beam spans, each 34 ft long, at its bridge K-44 near Bellevue, Iowa, designed to carry regular railroad traffic; each span is comprised of four 11-in. by 43 7/8 in. by 34 ft glulam beams; they are supported on bridge timbers and are fastened to them by anchor straps; beams were fabricated from kiln-dried selected Douglas fir lumber and were treated after assembly; no seal coat or wrapping was used. (37279)
Glulam beams erected for freight-line bridge
Ry Track Struct
Railway Track and Structures ; 65 , n 5
1969
2 pages
Article (Journal)
English
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