. The railroad and engineering journal . /3 ^ > m. ^ ft.) extreme length, by m. (16 i ft.; extremeNvidth, at the springing of the arch ; their size at the founda-tion varies according to the height. The batter of thefaces varies with each 5 m. ( ft.; of the height, makingthe face of the pier practically a curve. This system hasbeen adopted in a of the larger French curve corresponds to the total pressure on the highest pier is 45 m. ( ft.) from the foundationto the springing of the arch. The greatest depth to whichit was found necessary to car
. The railroad and engineering journal . /3 ^ > m. ^ ft.) extreme length, by m. (16 i ft.; extremeNvidth, at the springing of the arch ; their size at the founda-tion varies according to the height. The batter of thefaces varies with each 5 m. ( ft.; of the height, makingthe face of the pier practically a curve. This system hasbeen adopted in a of the larger French curve corresponds to the total pressure on the highest pier is 45 m. ( ft.) from the foundationto the springing of the arch. The greatest depth to whichit was found necessary to carry the foundations was 10 tion of 27 miles includes the ascent from this plain to ahigh table-land, nearly 1,000 ft. above sea level ; the sum-mit, as located, is 1,292 ft. above sea level. The remain-ing 56 miles to Korat is over nearly level gauge of the road is to be 4 ft. 8i in. Bids, whichare to be sent to K. I5ethge, Director-General of Railroadsat Bangkok, may be for a section or the whole line. Thej time allowed is from four to five years ; the Governmentwill furnish rails and equipment. The bridges will be ofwood and the rails 56 lbs. to the yard. The approximate io6 THE RAILROAD AND [March, 189I. estimates show about 4,860,ocxs cub. yds. earthwork ;260,000 cub. yds. rock-cutting ; 6,600 cub. yds. retainingwalls, and 66,000 cub. yds. bridge masonry. The accompanying sketch map will give some idea ofthe line. The Menam is the great river of Siam and isnavigable for large vessels. The Pra-sak is navigable forsmall rice-boats to Saraburi ; the Muck-lek and the Lambaare in no sense navigabl
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
