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Install Shear Anchors

Earthquakes commonly damage unreinforced masonry buildings due to sliding between the walls, and the floor and roof systems. Installing shear anchors between the walls, and the roof and floor systems, prevents sliding between the walls and floors. A typical shear anchor is connected through the floor joists using a steel plate on one end, while the other end is secured into the wall using drypack or epoxy grout.

 

Effectiveness:

  • Very effective. 

Limitations:

  • Consider adding tension ties to walls to increase effectiveness.. 

 

 

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Randolph Langenbach

M-Arch (Harvard), Dipl.Conservation (York, England)


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