The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 685
pikes wereproduced by a lever. A few tests with a hydraulic pressshowed that the friction of the plunger varied from about 6 to18 per cent. The accompanying table gives the results of the experi-ments. Art. 80.—Shearing Resistance of Timber behind Bolt or Mortise Holes. Col. T. T. S. Laidley,… … Fig.l Fig.2 The test specimens are shown in Figs. I and 2. Wrought-iron bolts and square wrought-iron keys were used. All thetimber specimens were six inches wide and two inches thick.The diameter of the bolts used (Fig. i) was one inch for all thespecimens. The keys were i x 1.5 and 1.125 x 1.5…
Strength of materials · Building materials
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