Mèxico city, CDMX, is built over what used to be a lake,
I`d like to know more about the inffluence of water phreatic level on structural strength of buildings, mostly when earthquakes occur?
In terms of building structural stability, Is it better to increase or to decrease such phreatic level?
Plaese respond to [email protected]
Thanks in advance.
The structure must be resting on ground, and ground include the soil and soil can have a ground water table, depending on the soil condition (liquefiable soil or non liquefiable), type of foundation (pile, raft etc) one can propose the procedure to evaluate the settlement or uplift forces etc.
Thanks for your answer. My question has a very relevant reason: the muddy soil characteristics of the terrain where it is planned to construct a new huge Mexico city, CDMX, airport. I am not a civil engineer, yet I know that seismic wave energy augments when reaching CDMX, since it is built over what it used to be Texcoco Lake. I`ve seen the hydroprofiles and its related zero pressure extends several tens of meters.
This is why I ask opinions as to what would it happen (besides sanking of the terrain) if a medium size corp of water is dissecated? I mean, modifications to the soil stiffness and other, for future earthquakes?
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