Why Do Earthquakes Damage These Houses?
No sheath wall below 1st story
No adequate foundation under perimeter walls
WHY EARTHQUAKES DAMAGE POST AND PIER HOUSES
- Two major weaknesses
- Two major weaknesses occur in the load path of houses supported by a post and pier foundation.
- One is the absence of sheathed walls below the first story exterior walls.
- The other is the absence of an adequate foundation under those perimeter walls.