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Article
Publication date: 27 June 2022

Gholamreza Dehdasht, M. Salim Ferwati, Saeed Reza Mohandes, Luai El-Sabek and David John Edwards

Proper identification of the key motivating factors (or key drivers) is needed to ensure successful adaption and implementation of the lean concept for construction projects…

Abstract

Purpose

Proper identification of the key motivating factors (or key drivers) is needed to ensure successful adaption and implementation of the lean concept for construction projects. However, there lacks a study investigating the complex interrelationships existing among the key drivers contributing to Sustainable and Successful Lean Construction (SSLC) implementation for such projects. To address this shortcoming, this study aims to uncover the main critical key drivers towards the implementation of SSLC for the very first time by capturing the complexity of this vexing problem.

Design/methodology/approach

In this study, a new hybrid framework is developed through the integration of Decision-Making Trial and Evaluation Laboratory (DEMATEL) and Social Network Analysis (SNA). The novel developed framework is called the DSNA approach.

Findings

Considering the case of Malaysian construction projects, the developed DSNA gives the following major outcomes: (1) Most important critical key drivers are seen to be optimization, continuous improvement, and, improve company culture, and (2) For SSLC adoption, the critical drivers impacting other key drivers are seen to be “improve teamwork”, “reduce leadership conflict”, and “improve company culture”, thereby demanding more attention.

Practical implications

The outcomes of this study give insight for decisions and policymakers in the construction industry regarding critical key drivers and their complex interrelationships towards the further adoption of SSLC, promoting the sustainability paradigm within the respective sector.

Originality/value

This paper not only presents a list of critical drivers and the corresponding association among them towards SSLC adoption, but also proposes DSNA as a novel approach for uncovering the complex interrelationship existing in an intricate problem, improving the intricate process of decision-making.

Details

Engineering, Construction and Architectural Management, vol. 30 no. 9
Type: Research Article
ISSN: 0969-9988

Keywords

Article
Publication date: 5 May 2021

Gholamreza Dehdasht, M. Salim Ferwati, Nazirah Zainul Abidin and Michael Olubukola Oyedeji

The transition of Malaysia from a developing country to a developed country was considered in vision 2020, whereby an average construction contribution of 6.0% in growth domestic…

2089

Abstract

Purpose

The transition of Malaysia from a developing country to a developed country was considered in vision 2020, whereby an average construction contribution of 6.0% in growth domestic product (GDP) per annum was required. Despite this importance, still, the Malaysian construction industry has not reached the target yet. Understanding the weakness and strength of this industry can be an effective way to help the policymakers in selecting the best strategy in the promotion of the Malaysian construction industry in GDP growth. Hence, the purpose of this paper is to present an overview of the current issues and challenges faced by the contribution of the Malaysian construction industry in GDP growth.

Design/methodology/approach

To achieve this objective, all the latest statistical data presented by the Department of Statistic and Construction Industry Development Board in Malaysia until March 2018 being collected and interpreted. Furthermore, through the literature review, the most significant challenges encountered by the Malaysian construction industry identified, compared and presented.

Findings

The results highlight that the contribution of Malaysian construction into GDP is increasing with a gentle slope. Nonetheless, the Malaysian construction industry has a high impact on the employment rate. More investment in the construction sector is required to meet an average of 6% contribution in GDP. Also, to be able to seize new opportunities in the global construction market, more exerted efforts have to overcome the challenges faced by this industry.

Practical implications

This study offers practical implications to policy and decision makers in the Malaysian construction industry. Despite the constant growth of the Malaysian construction industry in recent years, there is a need for more investments and overcome to challenges to encounter an average of 6% contribution in GDP. This study provides an overview and insights to investors, stockholders and managers to formulate a long-term plan promoting the efficiency of the Malaysian construction industry.

Originality/value

This study through explaining, comparing and interpreting the real statistical data, through the tables, figures and graphs, simplified the understanding of the weakness and strength of the Malaysian construction industry.

Details

Journal of Financial Management of Property and Construction , vol. 27 no. 2
Type: Research Article
ISSN: 1366-4387

Keywords

Article
Publication date: 7 May 2019

Alireza Ardehshiri, Gholamreza Karimi and Ramin Dehdasht-Heydari

This paper aims to design, optimize and simulate the Radio Frequency (RF) micro electromechanical system (MEMS) Switch which is stimulated by electrostatically voltage.

Abstract

Purpose

This paper aims to design, optimize and simulate the Radio Frequency (RF) micro electromechanical system (MEMS) Switch which is stimulated by electrostatically voltage.

Design/methodology/approach

The geometric structure of the switch was extracted based on the design of Taguchi-based experiment using the mathematical programming and obtaining objective function by the genetic meta-heuristic algorithm.

Findings

The RF parameters of the switch were calculated for the design of Taguchi-based S11 = −5.649 dB and S21 = −46.428 dB at the working frequency of 40 GHz. The pull-in voltage of the switch was 2.8 V and the axial residual stress of the proposed design was obtained 28 MPa and the design of Taguchi-based S11 = −4.422 dB and S21 = −48.705dB at the working frequency of 40 GHz. The pull-in voltage of the switch was 2.5 V and the axial residual stress of the proposed design was obtained 25 MPa.

Originality/value

A novel complex strategy in the design and optimization of capacitive RF switch MEMS modeling is proposed.

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