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Reinforce Walls With Fiber Materials

Earthquake forces may cause extensive crack damage in unreinforced masonry bearing walls which can weaken the building. Walls can be strengthened in-place using fiberglass or carbon fiber sheets. The fiber sheeting is secured to the exterior walls using a chemical adhesive and protected with a weather-resistant barrier or other exterior finish. 

Effectiveness:

  1. Very effective for cracks which threaten structural integrity.
  • Place sheeting on both sides of the walls to increase effectiveness.

Limitations:

  • The wall may not be returned to pre-disaster strength if cracking is too severe.
 

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Randolph Langenbach

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


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