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Article
Publication date: 13 September 2022

Mohamed Nabil Houhou, Tamir Amari and Abderahim Belounar

This paper aims to investigate the responses of single piles and pile groups due to tunneling-induced ground movements in a two-layered soil system. The analyses mainly focus on…

135

Abstract

Purpose

This paper aims to investigate the responses of single piles and pile groups due to tunneling-induced ground movements in a two-layered soil system. The analyses mainly focus on the additional single pile responses in terms of bending moment, lateral deflection, axial force, shaft resistance and pile settlement. Subsequently, a series of parametric studies were carried out to better understand the responses of single piles induced by tunneling. To give further understanding regarding the pile groups, a 2 × 2 pile group with two different pile head conditions, namely, free and capped, was considered.

Design/methodology/approach

Using the PLAXIS three-dimensional (3D) software, a full 3D numerical modeling is performed to investigate the effects of ground movements caused by tunneling on adjacent pile foundations. The numerical model was validated using centrifuge test data found in the literature. The relevance of the 3D model is also judged by comparison with the 2D plane strain model using the PLAXIS 2D code.

Findings

The numerical test results reveal that tunneling induces significant displacements and internal forces in nearby piles. The magnitude and distribution of internal forces depend mainly on the position of the pile toe relative to the tunnel depth and the distance between the pile and the vertical axis of the tunnel. As the volume loss increases from 1% to 3%, the apparent loss of pile capacity increases from 11% to 20%. By increasing the pile length from 0.5 to 1.5 times, the tunnel depth, the maximum pile settlement and lateral deflection decrease by about 63% and 18%, respectively. On the other hand, the maximum bending moment and axial load increase by about 7 and 13 times, respectively. When the pile is located at a distance of 2.5 times the tunnel diameter (Dt), the additional pile responses become insignificant. It was found that an increase in tunnel depth from 1.5Dt to 2.5Dt (with a pile length of 3Dt) increases the maximum lateral deflection by about 420%. Regarding the interaction between tunneling and group of piles, a positive group effect was observed with a significant reduction of the internal forces in rear piles. The maximum bending moment of the front piles was found to be higher than that of the rear piles by about 47%.

Originality/value

Soil is a complex material that shows differently in primary loading, unloading and reloading with stress-dependent stiffness. This general behavior was not possibly being accounted for in simple elastic perfectly plastic Mohr–Coulomb model which is often used to predict the behavior of soils. Thus, in the present study, the more advanced hardening soil model with small-strain stiffness (HSsmall) is used to model the non-linear stress–strain soil behavior. Moreover, unlike previous studies THAT are usually based on the assumption that the soil is homogeneous and using numerical methods by decoupled loadings under plane strain conditions; in this study, the pile responses have been exhaustively investigated in a two-layered soil system using a fully coupled 3D numerical analysis that takes into account the real interactions between tunneling and pile foundations. The paper presents a distinctive set of findings and insights that provide valuable guidance for the design and construction of shield tunnels passing through pile foundations.

Article
Publication date: 1 February 2013

J. S. K. Ngo, W.F. Ong, F. B. Ahmad and K. B. Bujang

This paper highlights an on-going study that produces soluble-powdered natural dye extracts from Sebangki barks (Neesia spp., Bomb.; Tristaniopsis spp., Myrt.), Engkerabai Paya

Abstract

This paper highlights an on-going study that produces soluble-powdered natural dye extracts from Sebangki barks (Neesia spp., Bomb.; Tristaniopsis spp., Myrt.), Engkerabai Paya leaves (Psychotria viridiflora Zoll. ex. Miq.) and Engkudu roots (Morinda citrifolia L.). These three natural colourants are typically used by the native Iban community in Sarawak to dye silk threads for Pua Kumbu weaving. The two primary objectives of this study are to convert natural dye extracts into soluble powder using solvent extraction and to formulate textile dyeing recipes with good colourfastness and lightfastness using powdered natural dyes extracts. The successful experiments show that distilled water and ethanol can be used as solvents to extract natural dyes from Neesia spp., Bomb.; Tristaniopsis spp., Myrt. barks, Morinda citrifolia L. roots, Psychotria viridiflora Zoll. ex. Miq. leaves. In addition, it is proven that the method of freeze drying is capable of converting liquid dye extracts into soluble powder.

Article
Publication date: 5 February 2018

Fon Sim Ong, Kok Wei Khong, Ken Kyid Yeoh, Osman Syuhaily and Othman Mohd. Nor

The purpose of this paper is to examine the effects of atmospherics and affective state on shoppers’ in-store behaviour using the two approaches in structural equation modelling…

Abstract

Purpose

The purpose of this paper is to examine the effects of atmospherics and affective state on shoppers’ in-store behaviour using the two approaches in structural equation modelling (SEM), i.e. Frequentist and Bayesian approaches. Shoppers’ affective state was tested for its mediating effect on in-store shopping behaviour.

Design/methodology/approach

The final sample consists of 382 respondents who were drawn from shoppers at selected apparel stores in six of the most popular shopping malls around Kuala Lumpur (Malaysia). A frequentist approach to SEM is common among researchers and offers generally an analysis of the relationships between multiple latent variables and constructs. Alternatively, the Bayesian SEM (BSEM) approach stems from the diffusion of the model’s posterior distributions using the Markov Chain Monte Carlo technique. More specifically, this technique is inherently more flexible and substantive in determining parameter estimates as compared to the more conventional, the frequentist approach to SEM.

Findings

The results show the mixed effects of atmospheric cues in retail setting on shoppers’ affective state. More specifically, the positive direct effect of atmospheric cues (music) on in-store behaviour was confirmed while other atmospheric cues (colour and store layout) were found to be fully mediated by affective state. The Bayesian approach was able to offer more distinctive results complementing the frequentist approach.

Research limitations/implications

Although the current sample size is adequate, it will be interesting to examine how a bigger sample size and different antecedents of in-store behaviour in retailing can affect the comparison between the frequentist approach in SEM and BSEM.

Practical implications

The authors found that a combination of well-designed store atmospherics and layout store can produce pleasurable effects on shoppers resulting in positive affective state. This study found that results from both frequentist and Bayesian approaches complement each other and it may be beneficial for future studies to utilise both approaches in SEM.

Originality/value

This paper met the aim to compare the approaches in SEM and the need to consider both approaches on in-store shopping environment. Overall, the authors contend that the Bayesian approach to SEM is a potentially viable alternative to frequentist SEM, especially when studies are conducted under dynamic conditions such as apparel retailing.

Details

Industrial Management & Data Systems, vol. 118 no. 1
Type: Research Article
ISSN: 0263-5577

Keywords

Article
Publication date: 15 December 2021

Heyam Abdulrahman Al Moosa, Mohamed Mousa, Walid Chaouali, Samiha Mjahed Hammami, Harrison McKnight and Nicholas Patrick Danks

The research aims to addresses the limitations of previous literature regarding choosing the appropriate conceptualization of trust (i.e. interpersonal trust or system trust) and…

Abstract

Purpose

The research aims to addresses the limitations of previous literature regarding choosing the appropriate conceptualization of trust (i.e. interpersonal trust or system trust) and the role of design aesthetics in generating system trust and intention to adopt mobile banking.

Design/methodology/approach

The research conducts two studies. Study 1 determines the degree of humanness in a mobile banking application. Study 2 tests the research model. A total of 261 respondents participate in Study 1 and 491 in Study 2. Statistical Package for the Social Sciences (SPSS) (study 1) and SmartPLS (PLS software) (study 2) are used to test the hypotheses.

Findings

Study 1 establishes that the mobile banking application is perceived to have low humanness. Thus, it is expected that system trust is more appropriate to use than interpersonal trust. Study 2 demonstrates that (i) system trust is more useful than interpersonal trust in the mobile banking context and (ii) design aesthetics positively influences consumer system trust and intention to adopt.

Originality/value

To the best of the authors' knowledge, the current research is the first to distinguish empirically between system trust and interpersonal trust and identify the best choice of mobile banking trust type. Specifically, the study determined the choice of system trust for mobile banking through a priori humanness measures and validated this choice by measuring both system trust and interpersonal trust, which has not been done before. In addition, retail banking should consider the influence of design aesthetics on consumer trust and incorporate elements that enhance consumers' opinions about the mobile banking application's functionality, reliability and helpfulness.

Details

International Journal of Retail & Distribution Management, vol. 50 no. 2
Type: Research Article
ISSN: 0959-0552

Keywords

Article
Publication date: 22 July 2021

Hamizah Abd Hamid and André M. Everett

This study aims to explore the co-ethnic relations of migrant entrepreneurs (MEs) from advanced economies in a developing country, specifically in the context of co-ethnic ties…

Abstract

Purpose

This study aims to explore the co-ethnic relations of migrant entrepreneurs (MEs) from advanced economies in a developing country, specifically in the context of co-ethnic ties among Korean migrant entrepreneurs (KMEs) operating business ventures in Malaysia.

Design/methodology/approach

This research is outlined by an embeddedness view and uses a qualitative approach using a single case study design.

Findings

For KMEs, in-group co-ethnic ties are mobilised in a relatively more structured manner coalescing personal and entrepreneurial endeavours, particularly demonstrating the dynamics of co-ethnic ties and the home country’s development levels. The findings lead to a model of migrant entrepreneurship for MEs from a more developed nation.

Originality/value

The theoretical value of this study lies in its clarification of the role of in-group ties in the setting of changing economic development levels and migration. Practice-wise, the findings on the adoption of co-ethnic ties that span formal, informal and transnational boundaries may inform migrants who are considering opportunities in less developed host countries, and assist stakeholders in developing policies concerning migrant communities and their ventures.

Details

Journal of Entrepreneurship in Emerging Economies, vol. 14 no. 4
Type: Research Article
ISSN: 2053-4604

Keywords

Article
Publication date: 1 January 1999

Kwong‐leung Tang

Examines the extent to which social policy adopted by the colonial government in Hong Kong (prior to its hand‐over China in 1997) has set the agenda for the government of the…

1170

Abstract

Examines the extent to which social policy adopted by the colonial government in Hong Kong (prior to its hand‐over China in 1997) has set the agenda for the government of the newly formed Special Administrative Region (SAR). Chronicles the historical development of social policy in Hong Kong since the inception of the colonial government in 1842; identifies that, with the exception of a short‐lived period of expansionism (stimulated by social unrest in the mid‐1960’s) social welfare provision appears to have been low on the government’s agenda and incremental in nature ‐ the emphasis being on economic growth, rather than public spending on welfare programmes. Examines the strengths and weaknesses of this incremental approach; outlines the commitment of the SAR government to the market economy and its proposals for a modest increase in welfare provision, essentially building on the legacy left behind by the colonial government.

Details

International Journal of Sociology and Social Policy, vol. 19 no. 1/2
Type: Research Article
ISSN: 0144-333X

Keywords

Article
Publication date: 8 September 2020

Maria Palazzo, Agostino Vollero and Alfonso Siano

Increased public scrutiny and stakeholder pressure have given more importance to strategic corporate social responsibility (SCSR) and its three dimensions – orientation, process…

2100

Abstract

Purpose

Increased public scrutiny and stakeholder pressure have given more importance to strategic corporate social responsibility (SCSR) and its three dimensions – orientation, process and value creation. At the same time, they provide banks the inspiration needed to pursue business goals, attain positive performances and communicate their social responsibility efforts. This paper analyses whether and how companies in the banking sector use corporate websites to communicate SCSR dimensions.

Design/methodology/approach

A content analysis was performed based on the corporate websites of leading banks included in the Dow Jones Sustainability World Index and the Hang Seng Corporate Sustainability Index to assess the prominence of SCSR communication.

Findings

The study shows that banks give less prominence to SCSR on corporate websites differently from companies belonging to other sectors, as they are less likely to expose their orientation to SCSR and pay slightly less attention to value creation than other companies.

Practical implications

The paper provides theoretical insights into SCSR dimensions and how they are communicated on corporate websites. From a practical standpoint, the study provides guidance for managers in the banking sector aimed at improving their communication efforts, avoiding decoupling issues and adopting a consistent value creation perspective.

Originality/value

Few studies have used a value creation perspective to differentiate between the dimensions of a SCSR approach. The paper fills this gap by assessing the communication efforts adopted by banks and insurance companies in this area.

Details

International Journal of Bank Marketing, vol. 38 no. 7
Type: Research Article
ISSN: 0265-2323

Keywords

Article
Publication date: 25 September 2019

Manu Sharma and Sudhanshu Joshi

This study aims to identify the dominant brand attributes based on the survey conducted among 100 young consumers to know their perceptions toward sustainable brands, using…

2178

Abstract

Purpose

This study aims to identify the dominant brand attributes based on the survey conducted among 100 young consumers to know their perceptions toward sustainable brands, using multi-criteria decision-making (MCDM) techniques, arithmetic hierarchical process (AHP) and technique for order preference by similarity to ideal solution (TOPSIS).

Design/methodology/approach

In total, 100 young consumers (18 to 24 age group) were asked to provide the pairwise comparisons for the 10 brands. MCDM methods were applied on triple bottom line dimensions to identify the best alternative. AHP is applied to compute weights for the brands’ attributes necessary for brand’s sustainability, further analyzed by TOPSIS method to rank Forbes’ top 10 brands as per young consumers’ intentions to buy.

Findings

Apple is the most sustainable brand perceived by young consumers followed by Google and Samsung. Being the top brand in Forbes list Apple also fulfills its responsibility toward the environment and recognizes young consumers’ perception accurately. Google is also contending with the same strategy and succeed in achieving a sustainable brand image. Samsung despite at number seven and second-highest revenues after Apple has managed excellently in building sustainable brand image.

Research limitations/implications

Findings have shown that the top global brands do not show the same order as they exhibit in their top ranking (Forbes, 2019), and thus, create a research gap to be fulfilled by identifying the causes for the same. The results show that brand consistency and performance can be achieved through implementing sustainable and green practices such as acting social responsibility, high-quality green products, environment protection, etc., and transforming these into capabilities.

Practical implications

The study is an attempt to further validate Forbes’s top brands based on their perception among young customers. The study may help practitioners and policymakers to understand and get familiar with a new methodology to evaluate brands and also how to develop a positioning strategy for targeting young consumers. The paper will be a useful source of information for marketers to know how young consumers from developing countries perceive top brands on the basis of sustainability.

Social implications

The social benefits of brand sustainability are related to improvements in the quality of environment, health and well-being. To link these, an enabling environment must be created that optimizes resource use, allocation and distribution.

Originality/value

The study is a unique attempt to use AHP and TOPSIS to evaluate the best – performing green brand from the perception of young customers in developing counties. Besides, the study provides brands attributes’ framework for sustainability and is significant for developing a model as per the choices of the young consumers.

Details

Young Consumers, vol. 20 no. 4
Type: Research Article
ISSN: 1747-3616

Keywords

Article
Publication date: 3 June 2021

Rasoul Mehdikhani and Changiz Valmohammadi

This study aims to investigate the effects of green brand equity (GBE) on green brand attachment (GBA), green self-brand connection (GSBC), green brand attitude (GBAT) and green…

2039

Abstract

Purpose

This study aims to investigate the effects of green brand equity (GBE) on green brand attachment (GBA), green self-brand connection (GSBC), green brand attitude (GBAT) and green word of mouth (GWOM). Moreover, the mediating role of three main factors, namely, GBA, GSBC and GBAT.

Design/methodology/approach

Through an in-depth review of the relevant literature, a conceptual model was developed and a questionnaire was designed. Out of 600 distributed questionnaires among customers of disposable tableware brands in Tehran, 265 questionnaires were returned. Data were analyzed for measuring the proposed model using the structural equation modeling technique.

Findings

The obtained results showed that GBE has positive impacts on GBA, GSBC, GBAT and GWOM. GBA, GSBC and GBAT have positive impacts on GWOM. Also, GBA, GSBC and GBA partially mediate the relationship between GBE and GWOM.

Research limitations

This study has been done in the context of Iran, so caution should be taken to generalize the results.

Practical implications

This study provides a clear insight for brand managers and marketers about the mechanism of enhancing green signals, which a brand can transfer to consumers through GBE. Also, the study suggests that companies should design their advertisement in a way that demonstrates the environmental responsibility of the brand and environmentally friendly features of products to increase consumer awareness of environmental concerns.

Social implications

The obtained results might increase green awareness among the people which is hoped other industries, particularly manufacturing ones make necessary efforts toward promoting the implementation of green manufacturing.

Originality/value

The results provide important environmental concepts in the field of green marketing and use sustainable development and signaling theories to enhance the attraction of disposable tableware in both business-to-business and business-to-consumer contexts. This study also adds a new concept of GSBC to the marketing literature.

Details

Journal of Business & Industrial Marketing, vol. 37 no. 2
Type: Research Article
ISSN: 0885-8624

Keywords

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