. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools . pile-driving, as well as innumerable other cost analyses. Specifications generally say that the piling will be paid forper lineal foot of piling left in the work. The wastage of the topsof piles sawed off is always something, and is frequently verylarge. Sometimes a small amount per foot of piling sawed off isallowed the contractor afe compensation for his loss. Thisreduces the contractors risk and possibly reduces his bid byan equal or greater amount than the extra amount actu
. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools . pile-driving, as well as innumerable other cost analyses. Specifications generally say that the piling will be paid forper lineal foot of piling left in the work. The wastage of the topsof piles sawed off is always something, and is frequently verylarge. Sometimes a small amount per foot of piling sawed off isallowed the contractor afe compensation for his loss. Thisreduces the contractors risk and possibly reduces his bid byan equal or greater amount than the extra amount actuallypaid him. FRAMED TRESTLES 169. Typical design. A typical design for a framed trestlebent is given in Fig. 71. This represents, with sHght variationsof detail, the plan according to which a large part of the framedtrestle bents of the country have been built—, of those lessthan 20 or 30 feet in height, not requiring multiple story con-struction. 170. Joints, (a) The mortise-and-tenon joint is illustrated in 206 RAILROAD CONSTRUCTION. § 170. Fig. 71 and also in Fig. 68 (a). The tenon should be about i^.
Size: 1951px × 1281px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidrailr, bookpublisheretcetc
