Specifications for Street Roadway Pavements With Instructions to Inspectors On
The book Specifications for Street Roadway Pavements With Instructions to Inspectors On was written by author Whinery, Samuel, 1845- Here you can read free online of Specifications for Street Roadway Pavements With Instructions to Inspectors On book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Specifications for Street Roadway Pavements With Instructions to Inspectors On a good or bad book?
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1 49. Pulverized Stone. This may consist of limestone or other sound stone or sand, pulverized to such fineness that the whole will pass the No. 50 sieve, not more than ten (10) per cent, will be re- tained on the No. 100 sieve, and at least seventy (70) per cent, of it will pass the No. 200 sieve. Portland cement may be partly substituted for pulverized stone, where the Engineer shall so direct. 2 Portland cement thus used will be paid for at the price bid per barrel for the same, in addition ...to the price paid per square yard for the pavement surface. The pulverized material must be thoroughly dry when used. 50. Asphaltic Paving Cement. Asphalt Paving Cement shall be prepared from the refined asphalt described in Sect. 44 and the tempering agent described in Sect. 47. The refined asphalt, together with the asphalt in the tempering agent, shall constitute not less than sixty per cent. (60%) of the asphaltic cement. The refined asphalt and the tempering agent shall be mixed and 1 It is now well recognized that the character and quality of the sand used is one of the most important elements in determining the utility and durability of an asphalt pavement.
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