Construction Materials and Machinery in Chile, Peru, and Ecuador

Construction Materials and Machinery in Chile, Peru, and Ecuador

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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 edition. Excerpt: ...Except in the case of the American copper-mining companies, concrete tower and chuting plants are not being used. The building contractors who use concrete mixers usually elevate the mixed material by means of hoists and buckets and, using provisional short-length wood chutes or industrial track and cars, distribute the concrete to the points of placing. For road building the municipalities use machinery of both American and English manufacture. The road rollers used by the city of Santiago were made in the United States. The concrete mixer for street work in the same city was made by a Wisconsin firm, and the asphalt-mixing plant was supplied by iron works in western New York. There is an increasing tendency to use labor-saving machinery for construction work. On the Government contract for the Maule Canal, amounting to 8,400,000 paper pesos, of which 65 per cent is labor, the equipment of Louis Lagarrigue. of Santiago, will include six tryard model-31 steam shovels and a tunnel equipment consisting of a compressor with a capacity of about 700 feet of free air per minute and eight drills. Parallel drum concrete mixers will also be used. Manufacturers of machinery for contractors must send representatives to sell and initially operate the equipments and look after operation complaints. Modern methods of work are not generally known except by a relatively small number of the best contractors. The native employees of the contractors are, in general, not sufficiently informed to select their machinery; hence the necessity for salesmen who are thoroughly familiar with the capacity, construction, operation, and resistance of the machinery offered. It is also necessary for the commercial representative to know intimately the standing of the...show more

Product details

  • Paperback | 90 pages
  • 189 x 246 x 5mm | 177g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236565827
  • 9781236565822