. Railroad structures and estimates . CROSS SECTION. Inlet End PIPE CULVERTS Fig. 19. Joints usually made of caulked oakum protected by cementmortar; when foundation is solid joints may be filled with cementmortar, one cement and one sand. TABLE 16.— MORTAR FOR 100 JOINTS CONCRETE OR TILE PIPE. 18-inch diameter pipe24-inch diameter pipe30-inch diameter pipe36-inch diameter pipe If barrels cement2^ barrels cement4 barrels cement6 barrels cement I yard sandJ yard sand\ yard sandf yard sand u RAILROAD STRUCTURES ANT> ESTIMATES Concrete Pipes. Rg, 19.)—Concrete pipe masA haveleast 4 feet of emb
. Railroad structures and estimates . CROSS SECTION. Inlet End PIPE CULVERTS Fig. 19. Joints usually made of caulked oakum protected by cementmortar; when foundation is solid joints may be filled with cementmortar, one cement and one sand. TABLE 16.— MORTAR FOR 100 JOINTS CONCRETE OR TILE PIPE. 18-inch diameter pipe24-inch diameter pipe30-inch diameter pipe36-inch diameter pipe If barrels cement2^ barrels cement4 barrels cement6 barrels cement I yard sandJ yard sand\ yard sandf yard sand u RAILROAD STRUCTURES ANT> ESTIMATES Concrete Pipes. Rg, 19.)—Concrete pipe masA haveleast 4 feet of embankment on top: a c nai .:abie saving :be effected in transportation by having the pipe made at ornear the -i:e. especially on new rk. :. i ~ :: 7 ;- 7- A~:::.: 7- ..7 :: IS :: I: ?. : ! 1:. a-:-: • • : - 7 §,; 4^ : : •:; .::: : : I : :-. : : -:: :::■: - : ;; :r: 1375 4 :r - X 1214 :-: ^i:iTi::ii . -.; Joints, — One part Portland cement and one part sandr and .L:i ie ; . - ...-- See 7 -r 1 Ca5t=Iron Pipe Culverts.
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