. Railroad structures and estimates . -g M ■*&■» Hn. k^^^**^ X- !HB| LONGITUDINAL STRUT IN SMOKE DUCT Pig. 154. DetaiL, of Tr«. C .v \ W. liy ^1 ^, 330 LEHIGH VALLEY TRAIX SHED. The columns are spaced 33 ft. centers longitudinally and arebuilt of sections with the web parallel to the track. Curvedplate girders constitute the main truss supports with latticesteel trusses forming the longitudinal purlins, those acting asthe smoke ducts being encased in concrete; the roof covering isof concrete slab construction finished on top with compositionroofing. The ]3latforms are built of concrete o
. Railroad structures and estimates . -g M ■*&■» Hn. k^^^**^ X- !HB| LONGITUDINAL STRUT IN SMOKE DUCT Pig. 154. DetaiL, of Tr«. C .v \ W. liy ^1 ^, 330 LEHIGH VALLEY TRAIX SHED. The columns are spaced 33 ft. centers longitudinally and arebuilt of sections with the web parallel to the track. Curvedplate girders constitute the main truss supports with latticesteel trusses forming the longitudinal purlins, those acting asthe smoke ducts being encased in concrete; the roof covering isof concrete slab construction finished on top with compositionroofing. The ]3latforms are built of concrete on cinder fill as sho-^ii,Fig. 156. The sidewalks are 8 in. thick, 14 ft. wide; the platformslab is 6 in. at the outer edge and 7^ in. at the center and has areinforcement of triangular wire mesh. Beneath the platformand between walls a bed of 6 in. tamped cinders is placed beforelaying the rig. 155. Cross-section of Typical Bay — Eye Bolts Used in Wall \. Train Shed at Buffalo. A detail of the Kepplar roof lights used on this shed is shown,Fig. 156, and is built of 6 in. units with steel reinforced cementribs. i LEHKiU VAT.[.FY SHFD 331 VmrnTc c*. ^i X ;i «r- • -v-r
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
