Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 145
—^Divide the length of bearing in feet bythe cube root of the breadth in inches, and thequotient multiplied by . 72 will give the depth ininches. Beams acting as struts should not be cut intoor mortised on one side, so as to cause lateralyielding. Purlins should never be framed into the princi-pal… … PRACTICAL CARPENTRY 125 struction and cost less than purlins and commonrafters. The ends of tie-beams should be kept with afree space around them to prevent decay. It is an injudicious practice to give an excess-ive camber to the tie-beam; it should only bedrawn up when deflected, as the parts come…
Architecture · Building
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