Conferencia, Prof. Alejo Sfriso, Universidad de Buenos Aires.

Introduction and background of the speaker Alejo Friso, a geotechnical engineering professor from the University of Buenos Aires.

Discussion on the challenges and passion for geotechnical engineering, brief overview of the speaker's credentials and involvement in geotechnical studies.

Transition from structural engineering to geotechnical studies, development of new norms and standards, and the influence of international practices on Argentina's geotechnical engineering.

Exploration of factors influencing foundation design, including load resistance, settlement, and the impact of seismic events on structural stability.

Discussion on design parameters, importance of reliability in modeling, and the significance of considering uncertainties in geotechnical models.

Explanation of parameters affecting soil behavior, such as internal friction angle and shear strength, and the impact of variability in soil properties on design and modeling.

Exploration of uncertainties in geotechnical analysis, including statistical variations in soil parameters, measurement errors, and the importance of addressing uncertainties in design.

Discussion on selecting design parameters based on probability analysis, considering variations in soil properties, and making informed design decisions.

Explanation of the variability in soil parameters, including factors influencing resistance to shear and the implications of selecting design parameters with specific probabilities of success.

Guidelines for decision-making in geotechnical design, balancing between conservative and aggressive design approaches based on probability analysis and risk assessment.

The concept of volcador moment is introduced, emphasizing the dependence on the weight of the product and factors like the position of the groundwater level and uncertainties in calculations.

Discussion on calculating uncertainties, load factors, and critical factors affecting the moment volcador, highlighting the complexities in accounting for resistance and loads.

Exploration of factors such as resistance, load parameters, and design considerations affecting the moment resistant in structural analysis.

Explanation of calculating load factor (LF) and resistance factor (RF) using random points and probabilities to determine failure and optimize design.

Discussion on soil conditions, foundation design methods, and factors influencing the capacity of piles for structural stability and load-bearing capabilities.

Se describe el proceso de aplastamiento del terreno por el pilote y la importancia del diseño teniendo en cuenta la presión horizontal y el ángulo de fricción interno del suelo.

Se menciona la creación de un código en Python para el diseño de pilotes, permitiendo ajustar valores y obtener resultados de manera eficiente.

Se detalla el cálculo de distorsiones y la importancia de la rigidez relativa en pilotes, destacando la evolución de la curva carga-asentamiento.

Se discute la importancia de establecer una normativa basada en la probabilidad de falla y se menciona el desafío de calibrar los cálculos para una mayor precisión.

Se aborda la necesidad de incorporar tecnología avanzada en las normas de ingeniería, destacando la importancia de seguir criterios de vanguardia y la reducción de incertidumbres en el diseño.

Se reflexiona sobre la importancia de la filosofía en el diseño estructural, la colaboración entre profesionales y la posibilidad de establecer normativas conjuntas entre países.