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For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample with a thickness of at least 6–8 mm, and the most commonly used test is the ASTM D1037. When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ...
Floor slip resistance testing is the science of measuring the coefficient of friction (or resistance to slip accidents) of flooring surfaces, either in a laboratory (before or after installation) or on floors in situ. Slip resistance testing (or floor friction testing) is usually desired by the building's owner or manager when there has been a ...
Sustainable Slip Resistance (SSR) testing was developed by Strautins [2][3] in Australia for McDonald's Restaurants to identify flooring that is not highly susceptible to loss of its slip resistance from wear or some types of inappropriate maintenance. This test and appropriate selection criteria can help avoid investment in inappropriate ...
100 / 33 m. 3.030 m. 125,000 / 37,719 yd. 9 ft 11.3 in. Taiwanese fathom; Same as Japanese Jō. Taiwanese length units and the translation of length units in metric system (SI) shares the same character. The adjective Taiwanese (台) can be added to address the Taiwanese unis system. For example, 台尺 means Taiwanese foot and 公尺 ...
In Japan, the size of a room is usually measured in relation to the size of tatami mats (-畳, -jō), about 1.653 m 2 (17.79 sq ft) for a standard Nagoya-size tatami. Alternatively, in terms of traditional Japanese area units , room area (and especially house floor area) is measured in terms of tsubo , where one tsubo is the area of two tatami ...
As previously noted, less wood is needed to produce a given finished size than when standards called for the green lumber to be the full nominal dimension. However, even the dimensions for finished lumber of a given nominal size have changed over time. In 1910, a typical finished 1-inch (25 mm) board was 13 ⁄ 16 in (21 mm). In 1928, that was ...
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