International Library of Technology: A Series of Textbooks for Persons Engaged in the Engineering Professions and Trades, Or for Those who Desire Information Concerning ThemInternational Textbook Company, 1905 - Agriculture |
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Common terms and phrases
amount angle angle of repose assumed axis bars base bearing area bearing block bearing value bending moment bolts brick brickwork building calculated cast-iron cement mortar center of gravity center of pressure column compression member concrete footing considered construction corbel cubic foot dead load depth determined diagram distance drawn edge equal extrados factor of safety feet fireproof flange floor force polygon formula foundation wall girder grillage horizontal action inch-pounds intersection joint laid length line of action line of pressure lineal lintel live load located masonry maximum oblique obtained pier piles plate portion pounds per square proportioned purlins rafter member reaction reenforced resistance resultant retaining wall rivets roof safe unit shear shown in Fig soil span square foot square inch steel beams stone strut tension member thickness timber tion tons truss unit pressure unit stress vault voussoir weight width wind pressure
Popular passages
Page 1 - It is measured by the product of the magnitude of the force and the perpendicular distance between the line of action of the force and the axis of rotation.
Page 7 - Where subject to moisture, cylinders shall be so installed as to provide a space of at least 2 inches between the flooring and the bottom of the cylinders.
Page 22 - For other material the test specimen may be the same as for sheared plates, or it may be planed or turned parallel throughout its entire length, and in all cases where possible two opposite sides of the test specimen shall be the rolled surfaces.
Page 22 - ... at least twelve inches wider than the bottom width of walls, and at least twelve inches wider on all sides than the bottom width of said piers, columns or posts. If the superimposed load is such as to cause undue transverse strain on a footing projecting, twelve inches, the thickness of such footing is to be increased so as to carry the load with safety. For small structures and for small piers sustaining light loads...
Page 7 - Hence the area of an oblique section of a small cone is equal to the quotient obtained by dividing the product of the square of its distance from the vertex, into the solid angle, by the cosine of the obliquity.
Page 47 - In all structures exposed to wind, if the resisting moments of the ordinary materials of construction, such as masonry, partitions, floors and connections, are not sufficient to resist the moment of distortion due to wind pressure, taken in any direction on any part of the structure, additional bracing shall be introduced sufficient to make up the difference in the moments.
Page 21 - ... pounds below the minimum tensile strength required in specimen tests of the grade of steel from which they are rolled. The bars will be required to break in the body, but should a bar break in the head, but develop 10 per cent elongation, and the ultimate strength specified, it shall not be cause for rejection, provided not more than one-third of the total number of bars tested break in the head; otherwise the entire lot will be rejected.
Page 79 - Pin-connected riveted tension members shall have a net section through the pin-hole at least 25 per cent. in excess of the net section of the body of the member, and the net section back of the pin-hole, parallel with the axis of the member, shall be not less than the net section of the body of the member.
Page 23 - If, in place of a continuous foundation wall, isolated piers are to be built to support the superstructure, where the nature of the ground and the character of the building make It necessary...
Page 41 - ... the moment of inertia about an axis through its center of gravity may be found by taking the sums of the moments of inertia of each component part about an axis through its own center of gravity parallel to the axis of the compound section, and the sums of products of the area of each component part by the square of the distance of its center of gravity from the axis of the compound section. Having thus obtained the moment of inertia of the compound section, the section modulus may be obtained...