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Steel Truss

Steel Truss news and technical articles from Fire Engineering. Search Steel Truss latest and archived news and articles

  1. Flat-Roof Operations: From the Street to the Roof and Back

    Magazine Articles

    Fri, 1 Jul 2011

    the joist orientation. The same goes if you come across wooden I-beams, which along with the lightweight wood and steel truss systems have been used in many renovations across the country. Make the roof cut as close to directly above the seat

  2. Ventilating Steel Roof Decks

    Online Articles

    Sun, 26 Dec 2010

    bearing structural system of the roof and is usually supported by steel bar joists or another type of lightweight steel truss . If we make a ventilation opening in one of these types of roof, we may discover that we are now standing on an unstable

  3. IN MEMORIAM1

    Magazine Articles

    Thu, 1 May 1997

    wood truss fatalities vs. one steel truss fatality during the period of 1977 ..... steel trusses. The lightweight steel truss is common in many theaters and ..... failed. Steel is very strong, and steel truss members not much larger than bed

  4. STRIP MALL FIRES, PART 2

    Magazine Articles

    Fri, 1 Oct 2004

    the suspended ceiling may be concealing a lightweight steel truss roof, for example). Should we have to go to defensive ..... its construction. If it is of concrete or lightweight steel truss , do not cut it; the roof may collapse. Otherwise

  5. THE DANGERS OF LIGHTWEIGHT STEEL CONSTRUCTION

    Magazine Articles

    Thu, 1 Jun 2006

    Click here to enlarge image null (9, 10) A lightweight steel truss cockloft (attic). Note that the exposed plywood sheathing ..... failure is not an exact science; however, lightweight steel truss assemblies will most likely fail under the weight of

  6. Curbside Critiques

    Online Articles

    Wed, 31 Oct 2007

    forth. Several possibilities that easily come to mind include the effect of a more developed fire on the lightweight steel truss roof, the effect of premature ventilation of the front display windows, and the potential for propagation of fire

  7. Building Construction: Understanding Loads and Loading

    Magazine Articles

    Tue, 1 Jun 2010

    not pass through the center of the wood-frame wall. A roof system containing an open web parallel cord lightweight steel truss is designed to transfer the roof load horizontally to the supporting columns. All the roof trusses work in concert

  8. CODE DEVELOPMENT: WHOSE BATTLEFIELD IS THIS?

    Magazine Articles

    Mon, 1 Jan 2007

    construction is just one of many safety hazards the fire service encounters in buildings. (1) Lightweight cold-formed steel truss roof framing for a single-family home. (Photos 1 ans 2 by Chris Radoian.) Click here to enlarge image (2) Lightweight

  9. Systematic Size-up Reports for Structure Fires

    Online Articles

    Thu, 3 Sep 2009

    Non-combustible (little to no fire resistance for its structural members--for ecample, block building with open steel truss roof ) Type 3: Ordinary Construction (block or brick walls, with wood roof supports) Type 4: Heavy Timber (masonry

  10. Construction Concerns: Truss Failure

    Online Articles

    Mon, 29 Dec 2008

    cantilever). If a truss buckles or overturns, it is usually because of the failure of an adjacent truss or its bracing. A steel truss in a fire may buckle and overturn because of expansion or weakening from the heat. Most truss failures are the result