n by the formula. Conse-quently, the section is not economical but is suitable to use whenthe load is light. It is quite useful as a brace between trusses andother similar situations. Section d. Four angles placed at the corners of a square andjoined together with lacing bars can be made to have a… … STEEL CONSTRUCTION 185 as required by the conditions. The allowable unit stress on tinssection must be redueed on account of the lacing in accordance withthe rule, p.-^>°. However, if the column is rilled and encased inconcrete, the full unit stress may be used. It is well adapted touse in this…
Building, Iron and steel · Steel, Structural · Theses
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