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To: elmatador who wrote (49203)	4/25/2009 10:51:34 PM
From: Elroy Jetson	Read Replies (1) \| Respond to of 218459

The construction in the photos you posted is the same method typically used in Mexico. The brick walls provide little actual structural support, which is provided by the poured concrete columns, assuming they have sufficient rebar and the concrete is properly made and cured. Buildings built in this style usually fail due to one of these two problems, or from slow or sudden axial earth motion. In the U.S. this style of construction could be brought up to code with the addition of interior and exterior steel corner plates bolted through the brick with attached lateral braces made of steel rods, running from the upper corner plate to the plate on the lower opposite corner. A lateral of this design is added to each exterior wall, with the steel rod usually attached on the interior of the building. In America the concrete pillars are normally pre-stressed factory components attached to poured foundation pads. These are lighter and stronger with guaranteed specifications. When these pre-stressed concrete components are used, the addition of the steel plates and rods are only required in seismic zones. .