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Article
Publication date: 12 October 2010

M.E. Díaz‐Fernández, C. González‐Nicieza, M.I. Álvarez‐Fernández, A.E. Álvarez‐Vigil and A. Argüelles Amado

This paper aims to present a computational approach which – setting off from measures obtained by using an overdrilling method – determines, automatically and accurately, stress…

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Abstract

Purpose

This paper aims to present a computational approach which – setting off from measures obtained by using an overdrilling method – determines, automatically and accurately, stress changes undergone in terrain as a consequence of human activity.

Design/methodology/approach

The method presented uses the data from three boreholes and the elasticity theory to represent a numerical system whose resolution allows determining the stress state in a particular point. Since the system obtained is over‐dimensioned, the Levenberg‐Marquardt minimization method has been used in order to minimize errors. This paper details the analysis carried out in order to develop the computational method.

Findings

This paper provides the algorithm for determining inner stresses in a particular point of a rock mass. Besides, a method to verify obtained results is presented, including its computational encoding in C#. Furthermore, the developed methods have been integrated in a computer tool which presents the results in a graphic environment.

Research limitations/implications

The algorithms presented are applicable when using an overdrilling method to measure stresses.

Practical implications

A reliable determination of global stress state demands the use of any method that is numerically difficult to use. Thus, in practice, it is of great importance to dispose of some reliable automatic tool to calculate stress state.

Originality/value

Accuracy in the results obtained with the tool, together with the simplicity of its interface, involves a certain advantage regarding the use of a general‐scope commercial tool, since it allows – without being necessary to be an expert user – quickly obtaining results within the analysed working area.

Details

Engineering Computations, vol. 27 no. 7
Type: Research Article
ISSN: 0264-4401

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Article
Publication date: 24 January 2020

José Soria-García and Ángel Rafael Martínez-Lorente

The purpose of this paper is to investigate how quality culture influences the relationship between total quality management (TQM) and secondary school students’ perceived service…

540

Abstract

Purpose

The purpose of this paper is to investigate how quality culture influences the relationship between total quality management (TQM) and secondary school students’ perceived service quality (PSQ).

Design/methodology/approach

The authors underpin research to analyse the effect of quality culture and TQM practices on PSQ. The sample included questionnaires completed by 268 teachers and 559 students from 56 secondary schools in the Murcia Region (Spain). The proposed model comprises an exogenous construct (quality culture) and three endogenous ones (two constructs represent the TQM model’s infrastructure practices and core practices, whereas one represents PSQ), and specifies the relations among them. The authors used the variance-based structural equation modeling technique and the partial least squares estimation method to test the hypotheses.

Findings

Its empirical analysis reveals that the quality culture influences the effectiveness of QM practices by suggesting a significant strong effect on infrastructure and core quality practices. In turn, the analysis reveals that these two QM aspects differently have an impact on PSQ. Finally, the mediation analysis results reveal the indirect significant impact of the quality culture on PSQ through the mediator effect of QM practices.

Originality/value

The main contribution of this work is to theoretically explain and empirically prove some mechanisms by which education centers can develop and implement a total quality initiative. The findings provide ideas for management teams about how to personalize TQM practices to achieve optimum performance outcomes.

Details

Quality Assurance in Education, vol. 28 no. 1
Type: Research Article
ISSN: 0968-4883

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