{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,14]],"date-time":"2025-11-14T21:40:35Z","timestamp":1763156435735,"version":"build-2065373602"},"reference-count":50,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,1,17]],"date-time":"2025-01-17T00:00:00Z","timestamp":1737072000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computation"],"abstract":"<jats:p>Technical literature provides experimental campaign results for four-pile caps with significant value in structural engineering. However, failure modes and measurement of these specimens are particularly challenging due to their volumetric nature. These experimental records are frequently utilized to evaluate analytical models focusing on less conservative than normative models to predict rupture force. Moreover, recent studies emphasize the necessity of developing simplified predictive models. In this context, the objective of this study was to evaluate the feasibility of regression models for estimating the rupture force associated with strut failure. The evaluation was based on a commonly used database and employed analysis of variance (ANOVA) at a 5% significance level to identify critical variables. The regression models were developed with variable interactions incorporated into the equations in three forms: (i) without interaction, (ii) with linear interaction, and (iii) with quadratic interaction. An analysis of the developed regression models identified a model with satisfactory accuracy. This model achieved an average predicted force ratio of 1.00 (COV = 14%) for the database and 1.03 (COV = 16.68%) for extrapolated numeric models in finite elements with the concrete damaged and plasticity (CDP) constitutive model, initially calibrated with experimental tests. A methodology was proposed to assist in the initial design of four-pile caps.<\/jats:p>","DOI":"10.3390\/computation13010018","type":"journal-article","created":{"date-parts":[[2025,1,17]],"date-time":"2025-01-17T10:27:58Z","timestamp":1737109678000},"page":"18","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Analysis of Empirical Models for Predicting the Rupture Force in Four-Pile Caps"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0509-5232","authenticated-orcid":false,"given":"Raphael Saverio","family":"Spozito","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, Federal Institute of S\u00e3o Paulo, Votuporanga 15503-110, S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4066-080X","authenticated-orcid":false,"given":"Andr\u00e9 Luis","family":"Christoforo","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal University of S\u00e3o Carlos, S\u00e3o Carlos 13565-905, S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6927-6377","authenticated-orcid":false,"given":"Fernando Menezes","family":"de Almeida Filho","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal University of S\u00e3o Carlos, S\u00e3o Carlos 13565-905, S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4730-6018","authenticated-orcid":false,"given":"Rodrigo Gustavo","family":"Delalibera","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal University of Uberl\u00e2ndia, Uberl\u00e2ndia 38400-902, Minas Gerais, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9848-125X","authenticated-orcid":false,"given":"Elvys Dias","family":"Reis","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal Center for Technological Education of Minas Gerais, Belo Horizonte 30421-169, Minas Gerais, Brazil"}]},{"given":"Andr\u00e9 Lu\u00eds Lima Velame","family":"Branco","sequence":"additional","affiliation":[{"name":"Civil Engineering, ALL Velame\u2013Structural Desing, S\u00e3o Carlos 13560-250, S\u00e3o Paulo, Brazil"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Mel\u00e9ndez, C., and Miguel, P.F. 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