Excerpt from Concrete

This book is written to point the way to sound engineering in concrete by enunciating the principles thereof and by laying bare the falsity of much that passes for good engineering in this comparatively new branch of construction. The aim is to teach, not by example or model or system, but by laying stress on the principles that should govern in all design. One of the evils of following systems or models is that the adherent to a system is apt to use it where it is not appropriate and to hold to it, without alteration to suit the case, for fear that alteration - improvement - would be interpreted as confession of imperfection in the system. Principles are, or should be, of general application.

There are four general divisions to the book, as follows:

(I) The first part consists of information relative to the materials used in making concrete and reinforced concrete.

(2) The second part (pages 182 to 255 incl.), consists of articles by the author which were published in Engineering News (New York) in 1906. together with letters criticising the same, written by different engineers, with the authors replies to these. There are three of these articles. The one on Beams and Slabs was published in Engineering News, March 15, 1906; the one on Columns and Footings was published July 12, 1906; the one on Retaining Walls was published Oct. 18, 1906. The letters to the editor and the authors replies appeared in various issues in 1906.

(3) The third part (pages 258 to 413 incl.), consists of articles by the author which were published in Concrete Engineering (Cleveland, O.), in 1907, together with letters from engineers and the authors replies. There are eight of these articles, and they appeared serially, beginning with the issue of Concrete Engineering, Jan. 1, 1907, and being distributed through the larger number of the issues of that year. One article (Domes, etc.), will probably appear in the March, 1908, issue.

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