Hollow Tile: Prepared Especially for Home Study

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International Correspondence Schools, 1919 - Hollow tiles - 82 pages
 

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Page 29 - The provisions relating to reinforced concrete construction shall hold as far as applicable to this system. All tile to be hard burned terra cotta tile of uniform quality, free from shrinkage cracks, with true beds and having an ultimate compressive strength of not less than 4,000 pounds per square inch of net area of surface tested.
Page 33 - ... inches. 5. Stone. Rubble stone masonry, unless built in dressed, level courses, shall not be used for buildings exceeding 75 feet in height. 6. Hollow building blocks. Foundation walls of hollow building blocks may be used only when the upper walls are of frame or hollow building block construction. The hollow spaces in the blocks shall be filled, as the construction progresses, with concrete of not less than 1 part of cement to 9 parts of aggregate. §237. Retaining walls. All walls built to...
Page 35 - Rubble stone walls, except for foundations, shall not be used in buildings over 60 feet high. 254 §254- Hollow building block masonry. 1. Construction. Where walls of hollow building blocks are decreased in thickness, the blocks in the top course of the thicker wall shall be filled solidly with concrete or covered with slabs of hard burned terra cotta or concrete at least 1 inch in thickness. Terra cotta or concrete templates of approved size and thickness shall be placed under all floor beams and...
Page 63 - ... and scored before the initial set has taken place and shall be thoroughly wetted before the succeeding coats are applied. The finishing coat shall be kept damp for at least 4 days, either by sprinkling after the mortar has hardened sufficiently to permit it or by hanging wet burlap over the surface. After the second coat has set, but before it has dried, the finishing coat shall be applied and finished in accordance with one of the methods hereinafter specified as directed by the Engineer. Exposed...
Page 5 - Vitrified terra cotta is generally made of fireclay or shale and is burned at a high temperature so that the material begins to fuse and is extremely hard throughout.
Page 4 - Glazing is done by introducing a quantity of common salt into the kiln when the material is nearly burned and this reduces a glass-like film over the entire exposed surface of ILT 3!F— 1834 the tile.
Page 36 - The best mortar to use in bedding hollow tile is a mortar made of 1 part Portland cement and 3 parts of clean sand to which -^ part hydrated lime may be added.

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