Extent of adherence to standard specifications; substitute ties; tie-renewal averages and costs per maintained mile; proper seasoning of oak ties, with special reference to those grown in Southern lowlands; economics of ties longer than 8 ft; considerations in attempting to determine surplus or deferred maintenance of cross-ties from renewal records; specifications for pre-adzing and pre-boring of cross-ties. (See also - discussion p 983-4, 6 supp plates)
Report of committee III -- Ties
Am Ry Eng Assn -- Proc
1935
15 pages
Aufsatz (Zeitschrift)
Englisch
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