A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 370
{a) (.b) Fig. 19. strut would weaken the beam too much. Two notches arethen made, each of which should be equal to from one-sixthto one-quarter the depth of the strut, so that the sum of thetwo bearing surfaces a b and dc, at (b)^ is equal to the singlebearing surface ab^ at {a). 40 CARPENTRY. S9…
Architecture · Building
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