Small-scale modeling of metal-plate-connected wood truss joints
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Small-scale modeling of metal-plate-connected wood truss joints by Mark Kittel

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Published .
Written in English

Subjects:

  • Trusses -- Design and construction.,
  • Timber joints -- Design and construction.

Book details:

Edition Notes

Statementby Mark Kittel.
The Physical Object
Pagination155 leaves, bound :
Number of Pages155
ID Numbers
Open LibraryOL15495941M

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Subject: Digital Sender Document Created Date: 7/8/ AM. displacement behavior of metal-plate-connected (MPC) joints in wooden trusses. Model features included consideration. of material properties, teeth-to-grain-to-direction-of-force orientation, wood-to-wood interaction, and gaps between wood. members. Truss grade wood material was ripped to one-third scale\ud dimensions to be used as the modeling material. Prototype tension splice joints were\ud modeled w one-quarter inch staples embedded in each model connection with each\ud pair of prototype teeth approximated by a single staple tooth. 2. Parallel-chord roof trusses, top-chord bearing. 3. Parallel-chord roof trusses, bottom-chord bearing. 4. Truss accessories. DEFINITIONS. A. Metal-plate-connected wood trusses include planar structural units consisting of metal-plate-connected members fabricated from dimension lumber and cut and assembled before delivery to Project site.

Gupta et al. first developed and validated structural behavior of a one-third scale metal-plate-connected wood truss subjected to gravity loading. The truss had a m (10 ft) span and was fabricated using mm by mm ( in. by in.) members and gauge ( mm thick) sheet metal with mm ( in.) long by: 7. QUALITY CRITERIA FOR THE MANUFACTURE OF METAL PLATE CONNECTED WOOD TRUSSES § - GENERAL § - Chapter 3 is the structural quality standard for manufactured metal plate connected wood trusses, and provides the necessary interpretive rules to inspect metal plate connected wood trusses for quality compliance with respect to a given truss File Size: 5MB. The trusses were a parallel wood chord truss 4 feet deep with 1-inch diameter hollow steel pipes for the web members. The top and bottom chords were 2×4 stress rated wood members laid flatwise. The web members were connected to the top and bottom chords with a single ½-inch diameter through-bolt at each panel point.   The use of Metal Plate Connected (MPC) wood roof trusses is a common structural framing system used in residential and light commercial structures. Low initial cost of fabrication, ease of installation, and ability to accommodate varying profiles are some of .

The resulting average design stiffness of 1/3-scale tension splice joints was within 1 % of the prototype joint stiffness, while the ultimate load was 7 % lower than the prototype. Stiffness and strength of model heel joints were within 22 % and 17 %, respectively, of the stiffness and strength of their by: 7. The objective of this research was to develop 1/3-scale models of full-size (prototype) metal-plate-connected wood truss joints and a complete truss using similitude theory. The evolution of trusses Over time, the “wood truss” has become a highly-engineered, prefabricated structural product using two very reliable resources, Wood and Steel. The predicted life of nailplates depends on the protection of the nailplates from the weather, wind and other corrosive elements including salt spray and chemicals. The behavior of metal plate connected wood truss joints surrounding the open area of attic type trusses under the action of dead and live loads is investigated through experimental tests of full-scale trusses and analytical simulation studies involving predictive stiffness models of .