The elasticity and resistance of the materials of engineering (1915)
Burr, William H. (William Hubert), 1851-1934 · New York, John Wiley & Sons, inc.; [etc., etc.] · leaf 843
to Pull Spike, Average. Max. Min. In clear wood Common Common Screw 36184020 Pounds.3,4662,6157,1809,763 Pounds. 6,250 3,750 13,710 17,200 Pounds.I 880 In knotty wood 1,0102,0004,890 In knotty wood Screw Art. 127.—Shearing Resistance of Timber behind Bolt or Mortise Holes. Col. T. T. S. Laidley,… … Fig. I. Fig. 2. The test specimens are shown in Figs, i and 2. Wrought-iron bolts and square wrought-iron keys were used. Allthe timber specimens were six inches wide and two inchesthick. The diameter of the bolts used (Fig. i) was oneinch for all the specimens. The keys were iXi.5 andI^I25XI^5 as…
Strength of materials · Building materials
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