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" One of these cakes, when hard enough, should be put in water, and examined from day to day to see if it becomes contorted, or if cracks show themselves at the edges, such contortions or cracks indicating that the cement is unfit for use at that time.... "
Proceedings of the American Gas Institute - Página 229
por American Gas Institute - 1908
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Proceedings of the American Gas Light Association ...

American Gas Light Association - 1900 - 522 páginas
...recommended by Gen. Gillmore, 1/I 2-inch diameter wire loaded with j/£ of a pound, and 1 /24-inch loaded with 1 pound. One of these cakes, when hard...enough, should be put in water and examined from day to da}' to see if it becomes contorted, or if cracks show themselves at the edges, such contortions or...
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Transactions, Volumen8

Mining Institute of Scotland - 1887 - 452 páginas
...cakes of neat cement two to three inches in diameter, about half an inch thick, having thin edges. One of these cakes when hard enough, should be put in water and periodically examined to see if it becomes contorted or cracked, such contortions or cracks showing...
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A Treatise on Masonry Construction

Ira Osborn Baker - 1889 - 588 páginas
...follows: Immerse in water a small pat of neat cement mortar with thin edges (§ 82), and examine it from day to day to see if it becomes contorted or if cracks show themselves at the edges. If there is cracking or contortion (sometimes called " blowing"), it is due to the hydration and consequent...
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A Treatise on Masonry Construction

Ira Osborn Baker - 1889 - 608 páginas
...follows: Immerse in water a small pat of neat cement mortar with thin edges (§ 82), and examine it from day to day to see if it becomes contorted or if cracks show themselves at the edges. If there is cracking or contortion (sometimes called "blowing"), it is due to the hydration and consequent...
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Stevens Indicator, Volúmenes9-10

1892 - 776 páginas
...diameter wire loaded with one-fourth pound, and one twenty-fourth inch diameter wire loaded with one pound. One of these cakes, when hard enough, should...In some cases, the tendency to crack, if caused by too much lime, will disappear with age. The remaining cake should be kept in the air, and its color...
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Notes on the Testing and Use of Hydraulic Cement

Frederick Putnam Spalding - 1893 - 146 páginas
...Civil Engineers is to make two cakes or pats as for the German tests and observe them as follows : "One of these cakes, when hard enough, should be put...that time. In some cases the tendency to crack, if due to free lime, will disappear with age. The remaining cake should be kept in the air and its color...
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Notes on the Testing of Hydraulic Cement

Frederick Putnam Spalding - 1893 - 132 páginas
...Civil Engineers is to make two cakes or pats as for the German tests and observe them as follows : "One of these cakes, when hard enough, should be put...that time. In some cases the tendency to crack, if due to free lime, will disappear with age. The remaining cake should be kept in the air and its color...
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Engineering Chemistry: A Manual of Quantitative Chemical Analysis ...

Thomas Bliss Stillman - 1897 - 564 páginas
...diameter wire loaded with one-fourth pound, and one twenty-fourth inch diameter wire loaded with one pound. One of these cakes, when hard enough, should...In some cases the tendency to crack, if caused by too much lime, will disappear with age. The remaining crack should be kept in the air and its color...
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Engineering Chemistry: A Manual of Quantitative Chemical Analysis ...

Thomas Bliss Stillman - 1897 - 598 páginas
...diameter wire loaded with one- fourth pound, and one twenty-fourth inch diameter wire loaded with one pound. One of these cakes, when hard enough, should...In some cases the tendency to crack, if caused by too much lime, will disappear with age. The remaining crack should be kept in the air and its color...
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Hydraulic Cement: Its Properties, Testing, and Use

Frederick Putnam Spalding - 1897 - 286 páginas
...Gillmore, 1/12-inch diameter wire loaded with one fourth of a pound, and 1/24-inch loaded with one pound. " One of these cakes, when hard enough, should...that time. In some cases the tendency to crack, if due to free lime, will disappear with age. The remaining cake should be kept in the air and its color...
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