Learning from the collapse of the World Trade Center towers, architects and engineers are beginning to design new features to make tall buildings safer.
Klemencic says engineers seeking good models of such a balance can look to England, where ongoing tension over Northern Ireland have forced a heightened vigilance against terrorist acts. In many of England's newer buildings, says Klemencic, the lower steel beams are reinforced in concrete. Steel is strong, but can bend under intense temperatures. Concrete holds up longer against heat, but can crack and break under extreme temperatures. Using both adds some protection against collapse during prolonged fire.
Thanks to Abhijeet Chavan
FULL STORY: Engineering Against Disaster
San Diego to Rescind Multi-Unit ADU Rule
The city wants to close a loophole that allowed developers to build apartment buildings on single-family lots as ADUs.
HUD Announces Plan to Build Housing on Public Lands
The agency will identify federally owned parcels appropriate for housing development and streamline the regulatory process to lease or transfer land to housing authorities and nonprofit developers.
Florida Considers Legalizing ADUs
Current state law allows — but doesn’t require — cities to permit accessory dwelling units in single-family residential neighborhoods.
California Bill Aims to Boost TOD
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California Lawmakers Move to Protect Waterways
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