Reemybomi Опубликовано: September 7, 2013 Report Share Опубликовано: September 7, 2013 The bowstring truss is neither the most common type of truss nor the type most likely to kill firefighters. Trusses of any age or design have common characteristics: http://buildbuild.hostoi.com they use the least amount of material to achieve the greatest strength for long spansthey have a smaller cross-section and considerably less mass than a solid beam of the same strength, resulting in less inherent fire resistance and early failure in firesfailure of a single connection can cause the failure of the entire trussfailure of either the top chord or bottom chord can cause the failure of the entire truss Цитата Link to comment Share on other sites More sharing options...
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