Soil Cracks related to land subsidence. The main geotechnical hazard affecting to constructions in Aguascalientes City, México.

J. Pacheco-Martínez, M.E. Zermeño-De-León, J.A. Ortiz-Lozano, A. Solís-Pinto, Miguel A. Romero-Navarro, Francisco Aguilar-Valdez, Juan A. López-Fuentes

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Climate Change & GeoHazards

ABSTRACT: We present a description of subsidence occurring in Aguascalientes Valley, covering the conceptual models of soil cracks generation, and the behaviour of the surface soil in the zone nearest to earth fissure path (width of influence). Furthermore, the observed pathologies in the damaged constructions by these earth discontinuities are evaluated. Additionally, we present a discussion about the geological and geophysical research implemented in the professional practice, in order to determine if an area is affected by an earth fissure, even when there is not visual damages on the constructions or deformation in the surface soil. PRESENTACIONES TÉCNICAS En este trabajo presentamos una descripción de la subsidencia del valle de Aguascalientes, abordando los modelos conceptuales del mecanismo de generación de los agrietamientos y el comportamiento del suelo en la zona de mayor deformación en los labios de las grietas (ancho de influencia), así como las patologías observadas en las construcciones afectadas por este tipo de discontinuidades del subsuelo. Se presenta además, una discusión sobre la investigación geológica y geofísica que se ha venido implementando en la práctica profesional para evaluar si un terreno es afectado por un agrietamiento, aún cuando este no se ha manifestado en la superficie.

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