. Armour engineer. £ of SfneefFig. 2. Part 4—Proposed Scheme R-2 Scheme B-3. Through plate girder spans with regularsteel cross floorbeams and stringer floor system, with a con-tinuous reinforced concrete ballast deck; girders supported bystructural steel bents or piers of three columns per bent. Scheme B-4. Bethlehem girder beam deck span (six 26-inch beams per track for roadway spans) with a reinforcedconcrete ballast deck, supported by structural steel bents orpiers of two columns per bent. (See Pig. 2, Part 5.) Jan. 1910] GREIFENHAGBN : EVANSTON TRACK ELEVATION 15 Scheme B-5. Similar to sc
. Armour engineer. £ of SfneefFig. 2. Part 4—Proposed Scheme R-2 Scheme B-3. Through plate girder spans with regularsteel cross floorbeams and stringer floor system, with a con-tinuous reinforced concrete ballast deck; girders supported bystructural steel bents or piers of three columns per bent. Scheme B-4. Bethlehem girder beam deck span (six 26-inch beams per track for roadway spans) with a reinforcedconcrete ballast deck, supported by structural steel bents orpiers of two columns per bent. (See Pig. 2, Part 5.) Jan. 1910] GREIFENHAGBN : EVANSTON TRACK ELEVATION 15 Scheme B-5. Similar to scheme B-4 except for the addi-tion of ornamental concrete parapets or facia girders. Scheme B-6. Span made up of two 30-inch Bethlehemgirder beams per rail; rails set down between pairs of beamsand supported by a concrete floor; spans supported by struc-tural steel bents or piers of two columns per bent. Thisscheme has since been used by the C, B. & Q. Railway Com-pany on track elevation work. cBose or Rail |. J 77777/. Hcr/f. Sect/or? Hcr/f Ele v&f/on ^^?^??^?;;;,^;;:>? •--•••?, ryV
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Keywords: ., bookcentury1900, bookdecade1910, bookidarmourengine, bookyear1910
