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Information and tables for specification of uplift restraint systems (URS) runs.

URS Table Runs

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<h1>URS Table Runs</h1>
  <h2>Specification of Uplift Restraint Systems</h2>
  <h3 class="h4">Table 1 &mdash; Allowable Loads for URS Runs</h3>
  <img alt="Table 1 – Allowable Loads for URS Runs" src="https://embed.widencdn.net/img/ssttoolbox/ywbkh31fe4/350px@2x/F-L-SRS21-069a.png">
  <ol>
    <li>Tabulated allowable load is the lowest allowable load of the threaded rod, coupler nut, take-up device and bearing plate components for each URS model..</li>
  </ol>
  <h3 class="h4">Table 2 &mdash; Deflection Equations</h3>
  <img alt="Table 2 – Deflection Equations" src="https://embed.widencdn.net/img/ssttoolbox/luoolaozzg/385px@2x/F-L-SRS21-069b.png">
  <ol>
    <li>Tabulated deflection formulas account for rod elongation, wood bearing deformation and deflection of shrinkage compensating device. </li>
    <li>Where P<sub>D</sub> is the demand (or design) uplift load and L is the total length of the rod in inches between restraints (foundation level to take-up device).</li>
  </ol>
  <div class="row">
    <div class="col-sm-9">
      <h3 class="h4">Table 3 &mdash; Tabulated Deflection Tables Using RTUD</h3>
      <img alt="Table 3 – Tabulated Deflection Tables Using RTUD" src="https://embed.widencdn.net/img/ssttoolbox/uc9tggqljc/700px@2x/F-L-SRS21-070a.png">
      <ol>
        <li>Tabulated deflection values include rod elongation, wood bearing deformation and deflection of shrinkage compensating device. </li>
        <li>Noted values exceed the maximum allowable load for the URS run.</li>
        <li>Noted values exceed the maximum rod elongation of 0.18" specified in Section 3.2.1.1 of ICC-ES AC391.</li>
        <li>Where P<sub>D</sub> is the demand (or design) uplift load and L is the total length of the rod between restraints (foundation level to take-up device).</li>
      </ol>
    </div>
    
    <div class="col-sm-3">
      <div class="image"> <img alt="Typical Ratcheting Take-Up Device Assembly Installation" src="https://embed.widencdn.net/img/ssttoolbox/kpleugc6l4/700px@2x/SR_ATS-RTUD-BPRTUD5-6A_InstIll_Ill_Instld_Assembly_CY.png">
        <div class="image__caption">Typical Ratcheting Take-Up Device Assembly Installation</div>
      </div>
    </div>
     
  </div>
  
  
  <div class="row">
    <div class="col-sm-9">
      <h3 class="h4">Table 4 &mdash; Tabulated Deflection Tables Using ATUD</h3>
      <img alt="Table 4 – Tabulated Deflection Tables Using ATUD" src="https://embed.widencdn.net/img/ssttoolbox/s1mt3yexky/700px@2x/F-L-SRS21-071a.png">
      <ol>
        <li>Tabulated deflection values include rod elongation, wood bearing deformation and deflection of shrinkage compensating device. </li>
        <li>Noted values exceed the maximum allowable load for the URS run.</li>
        <li>Noted values exceed the maximum rod elongation of 0.18" specified in Section 3.2.1.1 of ICC-ES AC391.</li>
        <li>Where P<sub>D</sub> is the demand (or design) uplift load and L is the total length of the rod between restraints (foundation level to take-up device).</li>
      </ol>
    </div>
    
    <div class="col-sm-3">
      <div class="image"> <img alt="Typical Take-Up Device Assembly Installation" src="https://embed.widencdn.net/img/ssttoolbox/8icqs4ktr3/700px@2x/SR_ATUD_InstIll_Ill_Instld_TakUP<sub>D</sub>evice-Assembly_CY.png">
        <div class="image__caption">Typical Take-Up Device Assembly Installation</div>
      </div>
    </div>
     
  </div>

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literature-and-links-canada

Resources including links to literature and information for structural residential and commercial building in Canada.

Literature and Links for Canada