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Here you can see more about the cement, and we and explain why the vaults do not fall and what is its structural base (remember to turn on captión, i have translated to english): • Mezcla para Bóvedas ca...
This video explains the brick, features and measurements: • The bricks / Bovedas C...
Once closed, arches, and domes are the stronger structures, watch this video where substantial evidence on these vaults are made, where they do the test with hollow materials and facts with plaster, in Mexico, we use solid bricks and concrete, brick see this video: • Load and breakdown Res...
In Mexico City there was an earthquake of 8.1 on the Richter scale in 1985 and many modern buildings fell dawn. but many of the oldest buildings (15th century built with this technique) were undamaged or slightly damaged. the metropolitan cathedral is sinking down (because of the ground in which was once a lake and yet still standing ...
in fact, fires are more common than earthquakes, and more people die in USA by fires than in all america in earthquakes. Do not you think there are other more dangerous buildings than this one?
This video shows the top vault and treatment of waterproofing and insulatión
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