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We Perform Concrete Cutting, Sawing, Core Drilling and Coring in Sutton.

Fatal illness overtook him before he could carry the plan into execution. Its importance was obvious, and soon after Mr. Wight's death, in September, 1927, the writer discussed the plan with F. R. McMillan, research director of the Concrete with Portland cement Association, and urged him to undertake the task. Mr. McMillan finally agreed to do so, in his private capacity. Though he had access to the wealth of test data in the Association's laboratory files, he nevertheless found the enterprise unusually difficult, and only after some fifteen months, during which he prepared at least three successive drafts, did he finally completes it. His work turned out to be an even more important contribution to knowledge of concrete than had been anticipated. It was printed as a series of five articles in Concrete engineering News- Record during April and May, 1929, but even before the last article appeared there came numerous demands for a collected printing. Since the far-reaching effect which the work promised to exert upon concrete practice made a permanent binding desirable, the book form was adopted. Some revision resulting from a critical review of the original text renders the book clearer and more complete than the articles as first published.

Nevertheless, an appraisal which appeared as an editorial in Concrete engineering News-Record of April 11, 1929, remains pertinent and is therefore reproduced in the following pages. Supplementing that appraisal it may be remarked that the properties grouped under the term "workability" are among the major uncertainties of the art. Much effort is being put upon their study and upon the interpretation of the term under different conditions, for it clearly has many meanings. But on any specific job the teachings of this book can be applied safely and surely by the man who, understanding the job and its demands uses his finger knowledge to judge of the consistency best suited.  For some time back the concrete-making art has been floundering in certain respects. While on the whole advancing, it has done so with uncertain and sometimes retrograde steps. Excellent concrete has been made and also very bad concrete. A concrete dam in the West leaks uncomfortably, though built with the aid of what was believed to be the most refined scientific effort to produce a mixture of ideal excellence and economy. A concrete dam in the East is scaling and crumbling on its surface, though only a few years old. A bridge whose construction was scientifically supervised so that it might be not only strong but of perfect appearance turned out to be blotchy and honeycombed when the concrete forms were stripped.

There is a reason for these conditions: the art has been made too complex. The belief has grown up that intricate charts, formulas and slide rules are necessary preliminaries to the production of good concrete. Inherently the art is as simple as it was many years ago, when it was clearly understood that the necessary and sufficient ingredients of concrete are cement, sand, stone and water, together with common sense and judgment; but recent practice has tended away from this simplicity. For example, on one important undertaking the field concrete engineer devoted his major attention to sampling the successive shipments of gravel and sand, screening and sieving the samples, making careful computations to determine how they should be mixed. Finally finding by trial how little cement and water he could add to this mixture and yet meet a certain slump requirement. If good concrete is obtained in spite of such involved procedure, it is only by good fortune and excellent field judgment. In short, fineness modulus, surface area and like devices have badly bedeviled. An art that at bottom remains intensely practical despite its scientific foundation. It is timely that these conditions be corrected by a return to simplicity of understanding and practice.

Are You in Sutton Massachusetts? Do You Need Concrete Cutting?

We Are Your Local Concrete Cutting Company

Call 508-283-3135

We Service all surrounding Cities & Towns.