Wood Construction

Wood is the only renewable source for building materials. It comes from forests that are continually being replanted as they are harvested. This practice ensures a plentiful supply of wood for construction and for a myriad of other uses.
Compared to other building materials, wood has a very high ratio of strength to weight. This makes it very economical for use in all types of construction. Wood also has an aesthetic quality and natural warmth unequalled by other building materials.
Wood has inherent characteristics with which construction users should be familiar.
For example, as a consequence of its biological origin, it is nonhomogeneous.
Also, properties of pieces of wood from different species of tree may be considerably different, and even properties of pieces of wood from the same tree may differ. In the past, determination of engineering properties depended heavily on visual inspection, keyed to averages, of wood pieces. Research, however, has made possible better estimates of these properties. It is no longer necessary to rely so heavily on visual inspection. Greater accuracy in determination of engineering properties has been made possible by mechanical grading procedures.
Improvements in adhesives for wood also have contributed to the betterment of wood construction. These advances in adhesion technology combined with a desire to utilize more efficiently available wood-fiber resources have led to increasing use of such products as oriented strand board (OSB), glued-laminated timber (glulam), wood I joists, and structural composite lumber (SCL).

0.1 Basic Characteristics of Wood
0.2 Sectional Properties of Wood Products
0.3 Design Values for Lumber and Timber
0.4 Structural Grading of Wood
0.5 Adjustment Factors for Structural Members
0.6 Pressure-Preservative Treatments for Wood
0.7 Design Provisions for Flexural Members
0.8 Wood Compression Members
0.9 Tension Members
—–10.10 Combined Bending and Axial Loading
0.11 Bearing Stresses
0.12 Structural Panels
0.13 Design Values for Mechanical Connections
0.14 Adjustment of Design Values for Connections
0.15 Bolts
0.16 Lag Screws
0.17 Split-Ring and Shear-Plate Connectors
0.18 Wood Screws
0.19 Nails and Spikes
0.20 Structural Framing Connections
0.21 Glued Fastenings
0.22 Wood Trusses
0.23 Design of Timber Arches
0.24 Timber Decking
0.25 Wood-Frame Construction
0.26 Permanent Wood Foundations
0.27 Post Frame and Pole Construction
0.28 Design for Fire Safety
0.29 Timber Fabrication and Erection
0.30 Engineered Glued Wood Products

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