Civil Engineering Materials
This book deals with properties, applications and analysis of important materials of construction/civil engineering. It offers full coverage of how materials are made or obtained, their physical properties, their mechanical properties, how they are used in construction, how they are tested in the lab, and their strength characteristics--information that is essential for material selection and elementary design. Contains illustrative examples and tables and figures from professional organizations. Considers all common materials of civil engineering/construction--and looks at each in depth: e.g., physical properties, mechanical properties, code provisions, methods of testing, quality control, construction procedures, and material selection. Discusses laboratory testing procedures for selected tests--provides step-by-step descriptions of laboratory test procedures to determine properties of materials. All test procedures are based on relevant ASTM specification. For Civil Engineers, Construction Engineers, Architects, and Agricultural Engineers.
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Manufacture. The plywood industry dates back to about 1905, and World War II
greatly accelerated plywood technology (for use in small naval military aircraft).
The manufacture of plywood involves placing heated lumber blocks (or bolts) into
Plywood is manufactured seasoned. Drying of veneers is essential to hot-press
gluing. Gluing adds about 5 percent extra moisture. After manufacture, plywood
has only about 6-10 percent moisture; any subsequent moisture absorption can ...
The use of exterior glue and the elaborate laboratory testing programs of the
American Plywood Association and others have made it possible to use a span
rating stamp, similar to that on structural plywood, on these panels. As a result ...