Articles | Volume 372
12 Nov 2015
12 Nov 2015
Full-scale experimental and numerical study about structural behaviour of a thin-walled cold-formed steel building affected by ground settlements due to land subsidence
J. A. Ortiz et al.
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Fernando Acuña-Lara, Jesús Pacheco-Martinez, Hugo Luna-Villavicencio, Martín Hernández-Marín, and Norma González-Cervantes
Proc. IAHS, 382, 5–9,Short summary
Land subsidence is an anthropogenic hazard triggered by different causes, one of them is groundwater overexploitation over aquifer systems, becoming risk points for aquifer pollution The obtained results showed that the Schlumberger configuration appears to be more helpful to detect changes in the stratigraphy toward depth, while dipole-dipole and Wenner are more suitable to detect lateral variations such as the vertical wastewater leakage in the first 6 to 8 m depth.
Martin Hernandez-Marin, Ruben Esquivel-Ramirez, Mario Eduardo Zermeño-De-Leon, Lilia Guerrero-Martinez, Jesus Pacheco-Martinez, and Thomas J. Burbey
Proc. IAHS, 382, 99–102,Short summary
This paper studies the appearance of low-magnitude earthquakes linked to rapid movements of subsidence-related faults in the Aguascalientes valley. A particular seismic event is studied and occurred in the normal ancient Oriente Fault whose rapid movement was captured with PSInSAR.
Lilia Guerrero-Martínez, Martín Hernández-Marín, and Ángel Eduardo Muñoz-Zavala
Proc. IAHS, 382, 589–594,Short summary
The impact of faults and fissures (discontinuities) on the groundwater flow has become important in several parts of the world because the heterogeneous and anisotropic distribution of permeability in fault zones is difficult to characterize. Based on this, we propose an analysis of patterns of parameters measured in groundwater, under the premise that the observed anomalies can be indicators of the hydraulic behavior of the flow in the direction perpendicular to the fault plane.
Hugo Luna-Villavicencio, Jesús Pacheco-Martínez, Fernando Acuña-Lara, Martín Hernández-Marín, and Norma González-Cervantes
Proc. IAHS, 382, 781–785,Short summary
Aguascalientes valley, located in the central part of México, is affected for a land subsidence process triggered by groundwater withdrawal. The resulted P-wave velocity models show a low-velocity anomaly within the fracture trace with widths from 50 to 100 meters. This anomaly is interpreted as a mechanically disturbed zone due to the activity of the surface fault, this is, due to the presence of fracturing caused to the adjacent material by the differential subsidence.
Jesús Pacheco-Martínez, Martín Hernández-Marín, Mario E. Zermeño-de-León, Norma González-Cervantes, José A. Ortiz-Lozano, Omar Vázquez-Gloria, and Armando Roque-Cruz
Proc. IAHS, 382, 791–795,Short summary
The organization and working way of an interdisciplinary and intragovernmental committee to face the effects of the land subsidence related ground failures in Aguascalientes State, México is showed. The committee is composed by federal, state, and municipal governmental agencies, as well as privet and civil associations, and the state university, working split in four groups to manage the risk related to ground cracks and surface faults.
M. Hernandez-Marin, J. Pacheco-Martinez, J. A. Ortiz-Lozano, G. Araiza-Garaygordobil, and A. Ramirez-Cortes
Proc. IAHS, 372, 89–93,Short summary
This research contributes to the understanding of surface deformation in the study area with new knowledge of the upper soil sequence. An established sequence distribution of the shallow layers was set and some of their geotechnical properties were determined. The analized samples are composed by compressible clayey silt and several lenses of volcanic sandy ash. Heterogeneities may be contributing to differential subsidence which is controlling the occurrence of surface faulting.
J. Pacheco-Martínez, S. Wdowinski, E. Cabral-Cano, M. Hernández-Marín, J. A. Ortiz-Lozano, T. Oliver-Cabrera, D. Solano-Rojas, and E. Havazli
Proc. IAHS, 372, 121–127,Short summary
In this work we present the application of InSAR analysis and gravimetric surveying to generate valuable information for risk management related to land subsidence and surface faulting. Subsidence of the city of Aguascalientes, México is presented as study case. Our work based on gravimetric and InSAR surveys is aimed for improving the subsidence hazard zoning proposed in the State Urban Code in a more comprehensive way.
M. Hernández-Marín, N. González-Cervantes, J. Pacheco-Martínez, and D. H. Frías-Guzmán
Proc. IAHS, 372, 235–238,Short summary
This paper provides a discussion related to the origin of surface failures in the graben of Aguascalientes. Observations indicate that some of these failures are older than the beginning of pumping, suggesting a natural tectonic origin. Some questions regarding surface failures are formulated, for instance, are the surface failures caused by the combined stresses of pumping and tectonism? Is the current tectonism sufficient to cause some surface or deep failures?
E. Cabral-Cano, D. Solano-Rojas, T. Oliver-Cabrera, S. Wdowinski, E. Chaussard, L. Salazar-Tlaczani, F. Cigna, C. DeMets, and J. Pacheco-Martínez
Proc. IAHS, 372, 255–260,Short summary
Ground subsidence has affected Mexico City for over a century, as a result of its large urban expansion and aggressive groundwater extraction rates. The continuous subsidence results in severe damage to urban infrastructure and civil structures. This work is aimed towards a better recognition of subsidence as a major hazard in Mexico, assess the number of inhabitants affected and the spatial extent of the subsiding areas affected by this process.
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This work presents the experimental and numerical results about a study regarding the performance of a full-scale thin-walled cold-formed steel building affected by ground differential settlements.
This work presents the experimental and numerical results about a study regarding the...