Difference between revisions of "What Are Reasonable Span of Various Materials"

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The allowable span which a carrier can have so that it will not collapse depends on three things (for an overwiev see figure 1):
 
  
<p>+ its cross-section geometry (see examples below in the geometry part)</p>
 
<p>+ its material (steel, wood or reinforced concrete)</p>
 
<p>+ on how you will apply the load on it (is the weight in the middle of the carrier or at one side)</p>
 
Remember: '''NEVER''' use concrete or similar materials like stone without reinforcements of steel or similar for a carrier! The possibility that it will colappse is almost certain!
 
<p>You can see an overview of a common problem involving a carrier as it would be used for a roofing or for hanging other loads for instance meat.</p>
 
 
 
 
 
 
[[Image:Uebrsicht Balken named.jpg|thumb|center|500px|Figure 1: An overview of a the most common use of a carrier]]
 
 
 
 
<p>--[[User:HTP Petros|HTP Petros]] 15:57, 13 January 2010 (UTC)</p>
 

Latest revision as of 09:17, 14 January 2010