CHAPTER VI.

EARTHWORK.

Form of railroad sections 97

Excavation and embankment 104

Transport of material 106

Average haul 106

Drainage 109

Method of conducting construction operations 111

Handbook of Railroad Construction; For the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States. · 第 6 / 19 章