Advanced Building Construction: A Manual for Students

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Longmans, Green & Company, 1892 - Building - 239 pages
 

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Page ii - INORGANIC CHEMISTRY, THEORETICAL AND PRACTICAL. A Manual for Students in Advanced Classes of the Science and Art Department. With Plate of Spectra and 78 Woodcuts. Crown 8vo. , 4^.
Page i - ELEMENTARY SCIENCE MANUALS. Written specially to meet the requirements of the ELEMENTARY STAGE OF SCIENCE SUBJECTS as laid down in the Syllabus of the Directory of the BOARD OF EDUCATION.
Page 219 - The value attached to each question is shown in brackets after the question. But a full and correct answer to an easy question will in all cases secure a larger number of marks than an incomplete or inexact answer to a more difficult one.
Page 143 - The proportion that the tread and riser bear to one another cannot always in practice be fixed by rule, but is regulated by the space — as regards both plan and height — that can be afforded for the staircase. The tread of a step should, however, never be less than 9 inches in width, even for the commonest stair ; while, for first-class houses and" public buildings, the stairs may have treads from 12 to 14 inches wide.
Page 59 - To guard against the driving wet on the coast, expensive external coverings, ' weather slates,' are used. But these do not stay the interior rising wet. This wet having to be evaporated lowers temperature. Damp walls or houses cause rheumatism, lower strength, and expose the system to other passing causes of disease.
Page vii - ... cantilevers ; and be able to draw such a section in its right proportions from given dimensions of flanges. He should be able to draw in elevation, from given dimensions and skeleton diagrams, ordinary iron roofs up to 40 feet span, showing the sections of different parts, and methods of connecting them. SECOND STAGE, OR ADVANCED COURSE. In addition to the subjects enumerated for the Elementary Course — in all of which questions of a more complicated nature may be set, combining work done by...
Page 68 - Joints are formed by drawing a curved iron key or jointer along the center of the flushed joint, pressing it hard, so that the mortar is driven in beyond the face of the wall; a groove of curved section is thus formed, having its surface hardened by the pressure.
Page 27 - These radiating lines are known as " medullary rays " or " transverse septa." In many woods they are not discernible by the eye, but when they are of large size and strongly marked, as they are in some kinds of oak, they present, if cut obliquely, a beautiful figured appearance, known as " silver grain " or " felt." HEARTWOOD AND SAPWOOD. — As the tree increases in age the inner layers are filled up and hardened, becoming what is called "heartwood," the remainder being called "sapwood.
Page 219 - GENERAL INSTRUCTIONS. If the rules are not attended to, the paper will be cancelled. You may take the Elementary or the Advanced or the Honours paper, but you must confine yourself to one of them.
Page 100 - ... convenience or economy. 3. The tie beam should be supported at such small intervals that it need not be too large for economy or convenience. It has been found by experience that these objects can be attained by limiting the distance between the points of support on the principal rafter to 8 feet. In determining the form of truss for any given span, it is therefore necessary first to decide the pitch, then roughly to draw the principal rafters in position, ascertain their length, divide them...

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