Transactions of the American Society of Civil Engineers Volume 74 (Paperback)

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. 1911 Excerpt: ...depressions, caused originally by throwing sand on the pavement before it was sufficiently set. "'In the section laid with Giant cement and Standard oil, there are a great many small cracks. "'In the section laid with Saylor cement and Texaco oil, a portion of the surface seems to be powdery. In this portion the surface was struck with a straight edge and floated. "'The section laid with Edison cement and Texaco oil, has a few cracks in the first portion; the latter portion is fairly good.' "'september 13, 1911. "'Herewith please find plan and report of Assistant Engineer in charge of the experimental work of repaving Innis Street, between John Street and Morning Star Road, with oil concrete pavement a little over a year ago. "'The general effect of the pavement is poor, and this is largely due to the lack of knowledge as to methods of construction, this being the first piece of work of this character ever attempted in this country, except a very small sample in Ridgewood, N. J., on a bridge. It is believed that a much better piece of work than this could be done with the knowledge gained, both as to the materials to be used and the methods of laying and finishing each day's work. I do not think, however, that this class of pavement, after being 15 months in use, has shown sufficient merit to make it advisable for us to lay any more of it at the present time. Flo. 9. "'It will be remembered that this work was done under the supervision of the TJ. S. Bureau of Public Roads, Department of Agriculture, and an Engineer from that Department was at all times present on the work. The cement and oil were presented free of charge to the City for the purpose of experimentation, the City furnishing the other materials and a contracto...