. The railroad and engineering journal . .■■> .^^ i-4MUOSILL H/1LF ELFMTION HALF SECTION 51 Q oo r*i V (^ 1 •l^i \\ 1 : ■ ! i 2 ■ 0 * [■■ <• s i : ^ : ! ; ^(V ■(■ h V tL. Vol. LXIII, No. 4 1 ENGINEERING JOURNAL. l8i No. 24. Wooden Culvert.—Plate ir, Figs. 6 and 7. Dimensions of Timber. 6 in. X 12 in. X i6 ft. Sills 2 in. X 6 in. X 15 ft. Floor 12 in. X I:; in. X 15 ft. Sides . ... 12 in. X 12 in. X 13 ft. 6 in. Sides .. 12 in. X 12 in. X 12 ft. Sides , 12 in. X 12 in. X 10 ft. 6 in. Sides ., 10 in. X 12 in. X 14 ft. lop , 8 in. X 12 in. X 14 ft. 6in. X 12 in. X 4 ft. ^ in. X 20 in. Bolts
. The railroad and engineering journal . .■■> .^^ i-4MUOSILL H/1LF ELFMTION HALF SECTION 51 Q oo r*i V (^ 1 •l^i \\ 1 : ■ ! i 2 ■ 0 * [■■ <• s i : ^ : ! ; ^(V ■(■ h V tL. Vol. LXIII, No. 4 1 ENGINEERING JOURNAL. l8i No. 24. Wooden Culvert.—Plate ir, Figs. 6 and 7. Dimensions of Timber. 6 in. X 12 in. X i6 ft. Sills 2 in. X 6 in. X 15 ft. Floor 12 in. X I:; in. X 15 ft. Sides . ... 12 in. X 12 in. X 13 ft. 6 in. Sides .. 12 in. X 12 in. X 12 ft. Sides , 12 in. X 12 in. X 10 ft. 6 in. Sides ., 10 in. X 12 in. X 14 ft. lop , 8 in. X 12 in. X 14 ft. 6in. X 12 in. X 4 ft. ^ in. X 20 in. Bolts Depth of Bottom of Culvert BelowProfile Grade. Ft. Ft. Ft. Ft. Ft. Ft. 5 10 •5 20 »5 30 Number of Pieces. 4 6 8 10 12 44 66 88 ..0 3= 6 18 3° 4» 54 6 6 6 6 6 6 6 6 6 6 6 6 6 6II 614 4 6 9 5= 64 14 =7 W 34 5= 70 90 110 14 154 66666 93 No. 25- Wooden Culvbkt.—Pla Depth of Bottom of Culvert BelowProfile Grade. Dimensions of Timber. Ft. tt. Ft. 15 20 25 ■ of Pieces. 6 in. X 8 in. X 14 in. Sills 4 2 in. X 6 in. X J5 ft. Floor 36 12 in. X 12 in. X 15 ft. bides 6 12 in. X 12 in. X 11 ft. 6 in. Sides ..I 6 ft. Sides 6 12 in. X 12 in.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
