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Proceedings of the Annual Convention Volume 29 (Paperback) Loot Price: R367
Discovery Miles 3 670
Proceedings of the Annual Convention Volume 29 (Paperback): American Railway Association
Proceedings of the Annual Convention Volume 29 (Paperback): American Railway Association

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Proceedings of the Annual Convention Volume 29 (Paperback)

American Railway Association

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Loot Price R367 Discovery Miles 3 670

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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. 1919 Excerpt: ...rapidly if piles are distributed on the ground in advance. After driving the piles, the ties are respaced as well as is possible and guard timbers are relaid, cutting out the spacers where necessary. When the bridge crew arrives at a bridge where the piles have been driven as above, the first step is to straighten and line up the piles. This may be done with jacks and steamboat ratchets and the piles should be held in position. If badly out of line this work should be done with the pile driver before it is moved from the job. After marking the grade, usually obtainable from the track, and attaching a guide board the piles are cut off. The stringers and deck are then raised about two inches on the old caps to permit the placing of new caps. The cap is brought in, swung off the deck on to the top of the piles and drifted in place. Sway bracing is next put on and bolted up. With high bents, say over 20 ft., some longitudinal bracing should be put on as the stringers are placed. As soon as two or more caps are in place measurements for the length of the stringers are obtained and the framing of stringers can be started. This should be done on a level stretch of ground as near the bridge as possible and consists in cutting to length, sizing to depth over the caps, and boring for drift bolts where they are used. Holes may also be bored through one line of stringers in each chord for packing bolts. Methods of assembling stringers into chords are varied. In most cases one chord is changed out completely before the other one is disturbed. Information in regard to the methods described below was furnished by E. M. Grime, supervisor of bridges and buildings of the Northern Pacific at Dilworth, Minnesota, and applies to chords with three stringers. All bolts are remove...


Imprint: Rarebooksclub.com
Country of origin: United States
Release date: May 2012
First published: May 2012
Authors: American Railway Association
Dimensions: 246 x 189 x 4mm (L x W x T)
Format: Paperback - Trade
Pages: 68
ISBN-13: 978-1-231-18049-5
Barcode: 9781231180495
Categories: Books
LSN: 1-231-18049-8

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