Transactions of the American Society of Civil Engineers Volume 38 - Brossura

Engineers, American Society Of Civil

Brossura

ISBN 10: 1153183188 ISBN 13: 9781153183185

Casa editrice: RareBooksClub.com, 2012

Riassunto

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1898 Excerpt: ... keeping up the record. In Washington it has been the practice to pay a specified price per cubic yard for all material used. This plan requires inspectors thoroughly conversant with their business, so that defects in material or workmanship can be readily detected. In Buffalo, where the cost of repairs has been kept with a great deal of care, the expense has been as follows: Years main-Cost per yard j Tears main-Cost per yard tained. per year. tained. per year. 1 30.017 2 0.0305 3 0.038 4 0.0917 5 0.0678 6 0.0463 7 0.0778 8 0.028 9 0.0122 10 0.025 11 0.0353 The average for the above is $0.055 per square yard per year. In Washington the resurfacing and repairs from 1879 to 1895 cost 30.077 per yard per year. During this time 676 390 sq. yds. were entirely relaid, at an average cost of $1.51 per yard. Deducting this cost from the above, the expense of actual repairs was $0.023 per yard per year. During the last two years a device has been used which has considerably decreased the actual cost of repairing asphalt. This consists of an apparatus by which a concentrated gasoline flame is thrown upon the pavement, heating it to such a degree that all the dead and inert material can be easily scraped off and the surface roughened with toothed hoes, so that the new material can be laid and compressed to give a good bond with that already on the street. By means of this machine, repairs can be made much more rapidly and neatly. The question of repairs and how they should be made is one of great importance. It seems to the author that the method which will give the best satisfaction is to award a contract to responsible parties to keep a certain number of streets, or all in any city if the yardage be not too great, in repair for a term of five years for a specified p...

Su questa edizione

• Editore: RareBooksClub.com
• Data di pubblicazione: 2012
• ISBN 10: 1153183188
• ISBN 13: 9781153183185
• Rilegatura: Paperback
• Numero di pagine: 174