Excerpt from The Elements of Railroad Engineering
A railroad with its rolling stock and buildings constitutes a manufacturing plant which its owners operate in the manufacture and sale of transportation. The "layout" or arrangement of a modem manufacturing plant is as much an item of design as is each individual machine or process. This book attempts to describe the fixed portion of a railroad plant and to give the underlying principles of the design of its layout.
A policy adopted in the preparation of the book has been to treat briefly and generally those subjects which are fully and well covered in special volumes, to which the student is referred, and to go into detail in those subjects treated only in books of the same class as this one.
An effort has been made to indicate at least indirectly that there are other methods of doing things than those presented, and to lead the student or reader to think of other possible ways than those described in the book.
The plan of first describing the thing and then discussing its design, has been followed. Part I describes the permanent way in as much detail as has been thought wise; Part II discusses the fundamental principles governing the design of the grade line, while Part III describes the methods of applying these principles to secure the most economical location and construction. Part III also contains many suggestions which would have been most welcome to the author when he was placed in charge of his first residency.
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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. Это и многое другое вы найдете в книге The Elements of Railroad Engineering (Classic Reprint) (William G. Raymond)