Stress analysis in whitetopping concrete pavements: Case study the Biblián-Zhud highway

Authors

  • Jaime Bojorque-Iñeguez Profesor Facultad de Ingeniería, Departamento de Ingeniería Civil, Universidad de Cuenca, Av. 12 de Abril y Agustín Cuenca, Cuenca, Ecuador. https://orcid.org/0000-0003-2847-9669

DOI:

https://doi.org/10.18537/mskn.12.02.09

Keywords:

Rigid pavement, deterioration, whitetopping, stress

Abstract

This article presents the results of a retrospective analysis to explain the probable causes of the premature deterioration of the rigid pavement of the Biblián-Zhud highway, main artery connecting the southern with the northern zone of the country. Based on the characteristics of the road and traffic loads, an analysis of the stresses generated in the pavement slabs is conducted. Stresses are determined through analytical equations and finite element methods. The results by both methods are remarkably similar. In addition, by using finite elements, the effect of variations in loads and pavement thickness on stress was also analyzed. The analysis reveals that under the current loads and due to the variations in thickness, the rigid pavement of the road does not support the stresses to which it is subjected, clearly identifying the development of different failure mechanisms, the most concurrent being corner cracks, transversal and longitudinal cracks.

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Author Biography

Jaime Bojorque-Iñeguez, Profesor Facultad de Ingeniería, Departamento de Ingeniería Civil, Universidad de Cuenca, Av. 12 de Abril y Agustín Cuenca, Cuenca, Ecuador.

Jaime Bojorque graduated in 1997 as Civil Engineer from Cuenca University; obtained in 2000 the MSc degree in Hydrogeology at the Eberhard Karls Universität, Tübingen, Germany; graduated in 2003 from the Diploma Program in the formulation and evaluation of project proposals; and acquired in 2009 the PhD degree in Engineering from the Catholic University Leuven, Belgium. Research interest is situated in the area of soil mechanics, hydrogeology, road pavement design, and slope stability. For the analysis, design and evaluation of projects intensive use is made of numerical modeling and finite element methods. Additionally, major emphasis is on the geo-mechanical characterization of soils and soil-rock material. Output in the format of scientific manuscripts is in the area of finite element analysis applied to slope failure and stability, and inverse modeling used for the quantification of geo-mechanical soil properties. Fluently in Spanish and English, with basic knowledge of German. Possessing expertise in specialty software used in finite element and finite boundary analysis, soil modeling, numerical analyses, slope stability including progressive failure, analytical methods in geotechnical design, and geo-environmental engineering, GIS, CAD and MATLAB.

References

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Published

2021-12-24

How to Cite

Bojorque-Iñeguez, J. (2021). Stress analysis in whitetopping concrete pavements: Case study the Biblián-Zhud highway. Maskana, 12(2), 80–87. https://doi.org/10.18537/mskn.12.02.09

Issue

Vol. 12 No. 2 (2021)

Section

Technical Notes

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Copyright (c) 2021 Jaime Bojorque

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