. Strutture ferroviarie e stime. Vert pipe req. 57 6 60 62 6 65 67 6 72 6 75 77 6 36] HT. Dalla base della rotaia all'inversione 17 0 18 0 19 0 20 0 21 0 22 0 23 0 24 0 N. lin. Ft. Di Rich. Tubo di scarico 57 6 60 62 6 65 70 72 6 75 77 6 24! HT. Dalla base della rotaia per invertire 2310 2410 2510 2610 2710 2810 2910 3010 N. lin. Ft. Di Rich. Tubo di scarico 81 84 87 90 93 96 99 102 30 -i HT. Dalla base della rotaia all'inversione 24 4 25 4 26 4 27 4 28 4 29 4 30 4 N. lin. Ft. Di Rich. Tubo di scarico 80 82 6 87 5 90 92 6 95 97 6 36! HT. Da ba.<=e di rail a mvert 25 0 26 0 27 0 28 0 29 0 30 0 N. lin. Ft. Di tubo di scarico r

• Collaboratore: Reading Room 2020 / Alamy Foto Stock
• ID dell’immagine: 2CR8N7H
• Dimensioni dei file: 7,1 MB (260,8 KB Download compresso)
• Liberatorie: Modello - no | Proprietà - no
• Dimensioni: 1574 x 1586 px | 26,7 x 26,9 cm | 10,5 x 10,6 inches | 150dpi

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Questa immagine potrebbe avere delle imperfezioni perché è storica o di reportage.

. Railroad structures and estimates . vert pipe req. 57 6 60 62 6 65 67 6 72 6 75 77 6 36] Ht. from base of rail to invert 17 0 18 0 19 0 20 0 21 0 22 0 23 0 24 0 No. lin. ft. of culvert pipe req. 57 6 60 62 6 65 70 72 6 75 77 6 24! Ht. from base of rail to invert 2310 2410 2510 2610 2710 2810 2910 3010 No. lin. ft. of culvert pipe req. 81 84 87 90 93 96 99 102 30 -I Ht. from base of rail to invert 24 4 25 4 26 4 27 4 28 4 29 4 30 4 No. lin. ft. of culvert pipe req. 80 82 6 87 5 90 92 6 95 97 6 36! Ht. from ba.<=e of rail to mvert 25 0 26 0 27 0 28 0 29 0 30 0 No. lin. ft. of culvert pipe req. 80 85 87 6 90 92 6 95 MATERIAL REQUIRED FOR MORTAR FOR 100 JOINTS OF PIPE. For 24 diam. is required 3 bbl. cement and 0.4 cu. yd. sand.For 30 diani. is required 4 bbl. cement and 0.5 cu. yd. sand.For 30 diain. i.s required G bbl. eenient and 0.75 cu. yd. .sand. BILL OF RIP-RAP AT TWO ENDS. For 24 |)ii)e is required 4 cu. yd.For 30 pipe is required 5 cu. yd.For 30 pipe is required 6 cu. yd. I TRIANGULAR CONCRETE PIPE. 141 l^e^is^i. 36 CONCRETE CULVERTSECTION Hg. 39. C. P. R. Standard Concrete Pipe. ffj^jT)/ Triangular concrete pipes are to be y«ismimum usecl whcn the depth of cover is lessthan 4 ft. 6 in., and generally depthshould not be less than 1 ft. 6 in. In special case.s, however, the pipemay be brought closer to the rail, withthe arrangement of ties shown.

Parole chiave associate all'immagine

• bookcentury1900
• bookdecade1910