Wood Handbook: Basic Information on Wood as a Material of Construction with Data for Its Use in Design and Specifications ... |
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American average bending birch boards bolt brown building coal-tar coal-tar creosote coating color column compression connectors construction cypress decay diameter dimension Douglas fir durable eastern Eastern hemlock edge face fiber stress finish flooring glue gluing grade grain green growth ring hardwoods heartwood hemlock hickory illus inches inches inches insulating joist joist and plank knots laminations length less linseed oil lumber Manufacturers Maple material modulus moisture content nails northern white paint parallel Percent Percent Percent perpendicular piece pigment piling plies plywood poles ponderosa ponderosa pine pounds proportional limit red cedar Redwood resistance safe load sapwood seasoned shear shrinkage side Sitka spruce softwoods southern yellow pine species spruce stain standard strength ratio structural surface temperature termites tests thickness timber tion treatment trees U. S. Dept usually values veneer Western larch western red western red cedar white fir white pine width Wood Preservers zinc chloride
Popular passages
Page 5 - A wood fiber is a comparatively long ( one-twenty-flf th or less to onethird inch), narrow, tapering cell closed at both ends. Fiber-saturation point. The stage in the drying or in the wetting of wood at which the cell walls are saturated and the cell cavities are free from water.
Page 4 - Durability. A general term for permanence or lastingness. Frequently used to refer to the degree of resistance of a species or of an individual piece of wood to attack by wood-destroying fungi under conditions that favor such attack. In this connection the term " resistance to decay
Page 6 - Millwork. — Generally all building materials made of finished wood and manufactured in millwork plants and planing mills are included under the term "millwork.
Page 7 - Plywood. A piece of wood made of three or more layers of veneer joined with glue, and usually laid with the grain of adjoining plies at right angles. Almost always an odd number of plies are used to provide balanced construction.
Page 4 - The older stage of decay in which the destruction is readily recognized because the wood has become punky, soft and spongy, stringy, ringshaked, pitted, or crumbly. Decided discoloration or bleaching of the rotted wood is often apparent.
Page 55 - Shearing strength parallel to the grain is a measure of the ability of timber to resist slipping of one part upon another along the grain.
Page 5 - Imperfect manufacture includes all defects or blemishes which are produced in manufacturing, such as chipped grain, loosened grain, raised grain, torn grain, skips in dressing, hit and miss, variation in sawing, miscut lumber, machine burn, machine gouge, mismatching, and insufficient tongue or groove.
Page 6 - Factory and shop lumber: Lumber intended to be cut up for use in further manufacture. It is graded on the basis of the percentage of the area which will produce a limited number of cuttings of a specified, or of a given minimum, size and quality.
Page 149 - I/c is called the section modulus. / is the moment of inertia of the cross section about the neutral axis and c the distance from the neutral axis to the outermost fiber. Values of S for common types of sections are given in Fig.
Page 6 - Lumber is the product of the saw and planing mill not further manufactured than by sawing, resawing, and passing lengthwise through a standard planing machine, crosscut to length and matched.