Regression models for validating cyclic triaxial test results

Introduction Cyclic Resistance Ratio (CRR) is one of the fundamental parameters in the prediction of liquefaction phenomenon, frequently observed during many moderate to strong earthquakes in sand-silt mixture deposits.

This parameter can be determined using cyclic tests on the undisturbed or reconstituted laboratory specimens.

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She’s implicitly following what I’ve sometimes called the research incumbency rule: that, once an article is published in some approved venue, it should be taken as truth.1971: Tversky and Kahneman write “Belief in the law of small numbers,” one of their first studies of persistent biases in human cognition.

A database, consisting sufficient published data of laboratory cyclic triaxial, torsional shear and simple shear tests results, was collected and utilized in the ANN model.

Several ANN models were developed with different sets of input parameters in order to determine the model with best performance and preciseness.

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Cat.inist, c’est le signalement de plus de plus de 20 millions de références bibliographiques (depuis 1973) issues des collections du fonds documentaire de l'Inist-Cnrs et couvrant l'ensemble des champs de la recherche mondiale en science, technologie, médecine, sciences humaines et sociales. Cat.inist is made up of over 20 million bibliographic records (from 1973 onwards) for documents from Inist-Cnrs collections covering all world research fields in science, technology, medicine, the humanities and social sciences.

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- Public sector in France and other countries: you can order the document, if it is covered by an authorization for reprographical reproduction.Many of these records provide links to documents available in open access.If you are a member of the CNRS (National Center For Scientific Research) or the French Higher Education and Research communities, you can use the search bar to access Refdoc, a catalogue containing over 53 million bibliographic records.The models were separated by the soil type (sands and soils with less than 30 % non-plastic fines versus soils with 30 % or more non-plastic fines), the definition of liquefaction used (initial liquefaction versus 5 % double-amplitude strain), and the method of specimen preparation (moist tamping, air-pluviation, or slurry-deposition).These models were developed using the data from over 1000 tests collected from the author’s files and the literature.

Regression models for validating cyclic triaxial test results