 Each beam therefore has what is called a natural constant, which must be considered in the calculation of its carrying capacity. To obtain this constant, it is usual to take a bar of similar wood, 1 inch square in section, and long enough to allow of...  A Manual of Carpentry and Joinery - Página 336por J. W. Riley - 1905 - 500 páginasVista completa - Acerca de este libro
 | Frederick Thomas Hodgson - 1906 - 412 páginas
...enough to allow of its being placed on supports 1 foot apart. The constant is the weight of the ventral load, which is just sufficient to break the bar. The constant may be expressed in 1bs., cwts., totis, etc, ami the carrying capacity will always be in the same terms. The following... | |
 | Frederick Thomas Hodgson - 1913 - 1208 páginas
...Wooden Beams. Other things being equal, the strength of a WL WL 2 WL 4 WL 8 1 WL_ j 8 I WJL I 12 8 8 12 rectangular wooden beam is directly proportional to...be in the same terms. The following constants (in cwts.1 may be adopted for the purposes of calculation : oak, ash and pitch pine, 5; red deal, red pine... | |
 | Frederick Thomas Hodgson - 1916 - 440 páginas
...load, and with a central or an evenly distributed load is at the middle of the length of the beam. Calculation of the Transverse Strength of Wooden Beams....be adopted for the purposes of calculation: oak,. ash and pitch pine, 5; red deal, red pine and beech, 4 j white and yellow pine, 3. Another important... | |
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