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Materials 2017, 10(1), 82; doi:10.3390/ma10010082

An Extended Damage Plasticity Model for Shotcrete: Formulation and Comparison with Other Shotcrete Models

Unit for Strength of Materials and Structural Analysis, Institute of Basic Sciences in Engineering Science, Innsbruck University, Technikerstr. 13, A-6020 Innsbruck, Austria
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Academic Editor: Erik Schlangen
Received: 7 December 2016 / Revised: 10 January 2017 / Accepted: 12 January 2017 / Published: 21 January 2017
(This article belongs to the Special Issue Numerical Analysis of Concrete using Discrete Elements)
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Abstract

The aims of the present paper are (i) to briefly review single-field and multi-field shotcrete models proposed in the literature; (ii) to propose the extension of a damage-plasticity model for concrete to shotcrete; and (iii) to evaluate the capabilities of the proposed extended damage-plasticity model for shotcrete by comparing the predicted response with experimental data for shotcrete and with the response predicted by shotcrete models, available in the literature. The results of the evaluation will be used for recommendations concerning the application and further improvements of the investigated shotcrete models and they will serve as a basis for the design of a new lab test program, complementing the existing ones. View Full-Text
Keywords: shotcrete; constitutive model; experimental data; tunnel advance; numerical simulation shotcrete; constitutive model; experimental data; tunnel advance; numerical simulation
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Neuner, M.; Gamnitzer, P.; Hofstetter, G. An Extended Damage Plasticity Model for Shotcrete: Formulation and Comparison with Other Shotcrete Models. Materials 2017, 10, 82.

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