Structure material - Engineering Class Home Pages
Structure material - Engineering Class Home Pages
Structure material - Engineering Class Home Pages
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Heavy timber framing<br />
Material Copyright Prof Schierle 2011 10<br />
Timber house<br />
Architect: Thomas Herzog<br />
(rods resist lateral load)<br />
Gamble house Pasadena<br />
Architects: Green and Green<br />
Material Copyright Prof Schierle 2011 11<br />
Compression � �Tension<br />
- � Strain � +<br />
Hysteresis loop<br />
(test stress-strain curve)<br />
E = Energy absorbed by<br />
ductility<br />
Steel<br />
Types:<br />
• Heavy steel<br />
• Light gauge steel<br />
Advantages:<br />
• Can be recycled<br />
• Ductile (absorbs seismic energy)<br />
• Lighter than concrete and masonry<br />
(small seismic forces)<br />
• No limitation of height or floor area<br />
Challenges:<br />
• Requires much energy to produce<br />
• Higher cost than other <strong>material</strong><br />
• Requires fire proofing<br />
• Requires accurate workmanship<br />
• Limited availability in some countries<br />
Material Copyright Prof Schierle 2011 12<br />
4
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