. Railway age . d concrete slabs, andthe windows have metal hash and wire glass. The elevator shaftsand the stairways are incased in tile, with fireproof doors. Allopenings for loading have rolling steel doors. The footings of the building are on solid limestone ledge. Thecolumns In the sub-story are 2C In. square, reinforced with eightvertical rods, banded together with bar hooi^, at intervals. In thethree upper stories the columns are round, 24 In. in diameter. Thebeam connection to these round columns was made without greatdlfflculty. A beam celling was used, except under the 34-fL drive-wa
. Railway age . d concrete slabs, andthe windows have metal hash and wire glass. The elevator shaftsand the stairways are incased in tile, with fireproof doors. Allopenings for loading have rolling steel doors. The footings of the building are on solid limestone ledge. Thecolumns In the sub-story are 2C In. square, reinforced with eightvertical rods, banded together with bar hooi^, at intervals. In thethree upper stories the columns are round, 24 In. in diameter. Thebeam connection to these round columns was made without greatdlfflculty. A beam celling was used, except under the 34-fL drive-way from Hennepin avenue. The maximum clear span Is 26 fLThe reinforcement In the beams was well lapped at the continuousend to provide for maximum moment at that point, and bent suit-ably to provide for shear. Wire net wrapping was used In thebeams. The maximum panel is 18 ft. x 2C ft. The first, second and third floors were designed to carry a work-ing load of 350 lbs. The floor slab was reinforced two ways, the. IVIinneapolis Freight Station and W Fnichf Tmck Frtighf Track Fnight Track Freigfif Track i-lon JO-Jbn Sea/t*, £l»mfor Seaigy ycafet fftmfer scaifs Scaias £hratar StoMt Seatn fmvmr Seo»3 ..□. . p _Rn_ p . —b ■ ■ d ^m r - - ■ • o/ Alltif- Plan of First Floor of Wisconsin Central Freight Station. ^^^^H^^^^^ I >»r ^^T^^f\ Ctnttrvcfion. ^ -T=^ t ^ j ^V- ^- •t: End View of Wisconsin Centp?! Freight Station, Section at Nortli End of Freight Station. Mat 22, 1908. THE RAILROAD GAZETTE. 699 panel bping subdivided by a secondary beam running from girderto girder. Nailing strips were laid on the slab with a filling be-tween, 2 in. rough pine over this, and on the top a 1%-in. maplefloor. The concrete was mixed In the sub-story at the level of thetracks by a Cube mixer, was raised to the floors by a Ransomohoist and dump cars running on a narrow-gage concrete was a fairly rich gravel mixture, mixed wet. The slab for the
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Keywords: ., bookcentury1800, bookdecade1870, bookidrailwayage44, bookyear1870
