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Proceedings of the Annual Convention of the American Railway Bridge and Building Association Volume 23-25 (Paperback) Loot Price: R902
Discovery Miles 9 020
Proceedings of the Annual Convention of the American Railway Bridge and Building Association Volume 23-25 (Paperback): American...
Proceedings of the Annual Convention of the American Railway Bridge and Building Association Volume 23-25 (Paperback): American...

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Proceedings of the Annual Convention of the American Railway Bridge and Building Association Volume 23-25 (Paperback)

American Railway Convention

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Loot Price R902 Discovery Miles 9 020 | Repayment Terms: R84 pm x 12*

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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. 1914 Excerpt: ...from the cars by means of wheel-barrows. The mixers discharged into steel bucket hoists which in turn dumped into a forcbay from where it was taken to the forms by two wheel push carts. A substantial staging 6 ft. wide, of 4 in. x 4 in. timbers and 4 in. x 6 in. timbers for uprights with 2 in. planking was built along all walls. Construction commenced in the early part of December, 1912. but considerable delay was experienced on account of difficulty in getting materials and some time was also lost on account of bad snow storms. Good progress was not attained till the first of February, but from then on the work went on rapidly and the building was delivered to the Northern Pacific about the first of June. Considerable freezing weather necessitated the installation of steam pipes between the 4 in. walls, and the water used for mixing the concrete was heated to almost the boiling point and the proper amount run into the mixer. The correct proportions of sand and gravel were then added to the water and thoroughly mixed, after which the cement was dumped in and mixed sufficiently to insure its proper distribution. By using this method concrete was delivered from the mixer at about 90 deg. F. By taking the precautions noted above, no trouble was experienced with frozen concrete. The performance of the plant in preventing loss by melting of the stored ice has been so satisfactory that the owners consider that the economy thus secured pays good interest on the total investment made. The work was carried on under the direction of W. L. Darling, chief engineer of the Northern Pacific, and the late W. C. Smith, chief engineer maintenance of way. Deeks. Deeks & Smith, St. Paul, Minn., were the contractors, and the consulting engineer was C. A. P. Turner, Minneapo...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: March 2012
First published: March 2012
Authors: American Railway Convention
Dimensions: 246 x 189 x 19mm (L x W x T)
Format: Paperback - Trade
Pages: 368
ISBN-13: 978-1-130-20471-1
Barcode: 9781130204711
Categories: Books
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LSN: 1-130-20471-5

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