Use of Probabilistic Analysis in Design of Shallow and Deep Foundations

Borowiec, Anna

doi:10.1088/1757-899x/471/4/042027

Cited by 1 publication

(1 citation statement)

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“…The fully probabilistic approach uses statistical analysis to take into account the distribution of random variables (geotechnical parameters along with load), leading to a limit state function that separates the safe area from the faulty area. The aim of the probabilistic analysis is to determine the reliability index β and the probability of failure P f [9][10][11][12][13].…”

Section: Deterministic Vs Fully Probabilistic Approachmentioning

confidence: 99%

The Role of Geotechnical Monitoring at Design of Foundation Structures and their Verification – Part 2

Drusa

Mihálik

Mužík

et al. 2021

Civil and Environmental Engineering

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The main aim of the article is demonstrating successful design of spread foundations of a commercial centre building, where geotechnical monitoring allows us to check design efficiency and calculate reliability in comparison with real vertical deformation of building. Introduction to the case study area and building structure and foundations was done in previously published first part of the article in which engineering geological conditions were described. There was also presented a comparison of calculated vertical settlement of selected footings with the real geodetic measurement provided during construction time till the period of two years’ operation time after completion of civil works. Geotechnical engineers do not have many opportunities to evaluate their designs, especially when everything passes successfully. Our presented case study is one of the examples, which could be evaluated from the point of view of reliability index of design adjusted with real geodetic measurement. Index of reliability of selected foundations was calculated by deterministic probability methods. In order to evaluate thousands of statistical data combinations, programing tool in Python language was developed for batch processing calculation of vertical displacement of foundation in Plaxis software. Discussion part of the article contains the actual state of reliability theory in structural standards in Europe.

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Section: Deterministic Vs Fully Probabilistic Approachmentioning

confidence: 99%