Report of the Commission to Improve the Highways of the Commonwealth; February, 1893

Report of the Commission to Improve the Highways of the Commonwealth; February, 1893

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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. 1893 edition. Excerpt: ...and brought to a temperature of about 300 F. is to be run in until the joint is filled. The street is then ready for travel. Although at times gravel is spread on the paving pitch, its use is not to be recommended. If broken stone is to be used, the foundation is to be rolled as before, the stone placed in position and rolled with a steam roller until fairly well compacted. Screenings are then to be spread over the surface, thoroughly watered and rolled until a firm, unyielding surface is obtained. One inch of sand is then to be laid on, the blocks set and rammed; the joints filled with hot gravel and pitch as before described. It requires about three to four gallons of pitch per square yard of pavement. The blocks generally used are three and one-half to four and one-half inches wide, eight to twelve inches long and seven and one-half to eight inches deep, requiring bn the average about twenty-three to the square yard. The concrete costs about five dollars a cubic yard, or eighty-three cents per square yard of pavement. The broken stone rolled, in place, will cost about forty-five to fifty cejits a square yard of0 pavement. The finished pavements on the average will cost as follows: --Granite blocks on gravel, $2 2.5 Granite blocks on broken stone, 2 75 Gran-e blocks on concrete (about), 3 75 2. Residential Streets with Considerable Traffic. In selecting the pavement for a residential street, not only the character and volume of traffic has to be considered, but the demands of the residents as to cleanliness and freedom from noise. The pavements most used for residential streets are sheet asphalt, asphalt blocks, wood blocks and brick. Sheet asphalt, either "Trinidad" or " rock," affords the nearest approach to an more

Product details

  • Paperback | 46 pages
  • 189 x 246 x 3mm | 100g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236549058
  • 9781236549051