 | Ira Osborn Baker - Masonry - 1889 - 592 pages
...stopping leaky joints. Such mortar is not affected by the presence of water. The cleanness of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness of sand may also... | |
 | Ira Osborn Baker - Masonry - 1889 - 606 pages
...stopping leaky joints. Such mortar is not affected by the presence of water. The cleanness of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness of sand may also... | |
 | Austin Thomas Byrne - Pavements - 1892 - 752 pages
...sand for bedding blocks and jointing should be clean, ie, free from loam or clay. The cleanness may be tested by rubbing a little of the dry sand in the palm of the hand and, after throwing it out, noticing the amount of dust left on the hand. The cleanness of sand may... | |
 | Austin Thomas Byrne - Building - 1898 - 574 pages
...the grains in size the smaller the percentage of voids. Testing Sand. — The CLEANNESS of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness may also be jndged... | |
 | Ira Osborn Baker - Masonry - 1899 - 636 pages
...matter about the sand grains will prevent the adherence of the cement. The cleanness of sand maj be judged by pressing it together in the hand while it...tested quantitatively by agitating a quantity of sand witli water in a graduated glass flask; after allowing the mixture to settle, the amount of precipitate... | |
 | Ira Osborn Baker - Masonry - 1905 - 654 pages
...hand while it is damp; if the sand sticks together when the pressure is removed, it is entirely nnfit for mortar purposes. The cleanness may also be tested...hand is nearly or quite clean after throwing the sand oat, it is probably clean enough for mortar. The cleanness of the sand may be tested quantitatively... | |
 | American Gas Institute - Gas - 1907 - 1050 pages
...cemeut and sand, and are also completely enveloped by the cementing paste. " The cleanness of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness of sand may also... | |
 | American School (Lansing, Ill.) - Architecture - 1907 - 424 pages
...smaller will be the amount of voids, and hence the less cement required. The cleanness of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness may also be judged... | |
 | Ira Osborn Baker - Masonry - 1909 - 776 pages
...the sand sticks together when the pressure is removed, it is entirely too dirty for use in mortar. The cleanness may also be tested by rubbing a little...nearly or quite clean after throwing the sand out, the sand is probably clean enough for mortar. The cleanness of the sand may be tested quantitatively... | |
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The cleanness of sand may be tested by rubbing a little of the dry sand in the palm of the hand, and after throwing it out noticing the amount of dust left on the hand. The cleanness may also be judged by pressing the sand between the fingers while it... 
