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Book part
Publication date: 2 October 2024

Ajay Solkhe and Waheedullah Safi

The advancement in science and technology has led to the existence and continuous growth of various physical machines and now computer programs which are supposed to perform once…

Abstract

The advancement in science and technology has led to the existence and continuous growth of various physical machines and now computer programs which are supposed to perform once thought unbelievable multi-tasks for humans.

Many firms, governments, industries and syndicates are switching to automated process for achieving maximum output and having minimum cost and errors in the manufacturing and various other processes, hence the role of human involvement is getting decreased. With the Industry 4.0 standards being opted, industry gurus have been forecasting the limiting power of human labour and interaction and fears exist complete replacement of human beings from the working environment by robots and automated machines.

Artificial intelligence has aggressively overtaken almost all fields of businesses and human resource (HR) hasn't been either immune to that. Robotics is an important factor as well.

Technology implementation has its own benefits and negative impacts which is creating fears among various professionals with regards to their complete replacement by machines.

The following paper looks deeply into various researches performed by scholars to have a thorough knowledge of present-day status of human–machine collaboration and the challenges organizations are facing. It will help in understanding the current scenario of HR with modern technologies.

Article
Publication date: 25 September 2024

Djeffal Mohamed, Merdas Abdelghani and Douara Taha Hocine

Although the reinforcement of concrete and brick masonry with fiber-reinforced polymer (FRP) has been extensively researched, its application and impact on natural stone…

Abstract

Purpose

Although the reinforcement of concrete and brick masonry with fiber-reinforced polymer (FRP) has been extensively researched, its application and impact on natural stone, especially in historic preservation, have received less attention. This study aims to examine the bond-slip characteristics of carbon fiber-reinforced polymer (CFRP) with two types of natural stone masonry, aiming to enhance their effectiveness in reinforcing historic structures. The stones studied include one from the Chouf-Lekdad region (A) and another from a historic structure in Sétif City (B). Both stones were strengthened using CFRP and carbon fiber fabric (CFF) through near-surface mount (NSM) and external bonding (EBR) techniques.

Design/methodology/approach

The interaction was assessed during the pull-out test by analyzing the stress transfer mechanisms, adhesion and deformation. This study also examines the effects of the following parameters on the bond between CFRP and stone: type of stone (A and B), type of reinforcement (plat CFRP and CFF), various notch shapes and sizes (bp, tp and Lb), and reinforcement techniques (NSM and EBR).

Findings

This study demonstrated the practicality and effectiveness of enhancing natural stone masonry of old buildings by integrating NSM and EBR techniques with CFRP. With a bond length of 30 mm, the pull-out force correlates with the strength of the stone. This indicates the importance of stone strength in obtaining better adhesion. The CFF–resin interface is more cohesive than the CFRP plate–resin interface because the resin penetrates the flexible CFF strip, ensuring better adhesion. In contrast, the CFRP plate interface is rigid and smooth. The results suggest that natural stone–CFRP adhesion is more effective than CFRP bonded to concrete and brick masonry due to the stone's strong resistance.

Originality/value

This experimental investigation provides new study into the bond-slip behavior of CFRP-reinforced natural stone masonry, filling the gap in existing research. The findings offer useful direction for creating FRP strengthening solutions that are specifically adapted to the properties of natural stone used in historic constructions. This study helps to improve preservation procedures by guiding the selection of reinforcing techniques, such as NSM versus EBR, and finding ideal bond lengths. This work's novelty stems from its ability to improve the structural integrity of culturally significant buildings while preserving their historical authenticity.

Details

World Journal of Engineering, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1708-5284

Keywords

Article
Publication date: 25 May 2023

Rashma R.S.V., Jayalekshmi B.R. and Shivashankar R.

The study aims to analyse the stability of embankments over the improved ground with stone column (SC) and pervious concrete column (PCC) inclusions using limit equilibrium…

Abstract

Purpose

The study aims to analyse the stability of embankments over the improved ground with stone column (SC) and pervious concrete column (PCC) inclusions using limit equilibrium method. The short-term stability of PCC-supported embankment system is rarely addressed. Therefore, the factor of safety (FOS) of column-supported embankment system is calculated using individual column and equivalent area models.

Design/methodology/approach

The stability analysis of column-supported embankment system is conducted using PLAXIS LE 2D. The various geometrical and shear strength parameters influencing the FOS of these embankment systems such as diameter of columns, spacing between columns, embankment height, friction angle of column material, undrained cohesion of weak ground and cohesion of PCC are considered.

Findings

The critical failure envelope of PCC-supported embankment system is observed to be of toe failure, whereas the failure envelope of stone column-supported embankment system is generally of deep-seated nature.

Originality/value

It is found that for PCC embankment system, FOS and failure envelope are not influenced by the geometrical/shear strength parameters other than height of embankment. However, for stone column-supported embankment system, FOS and failure envelope are dependent on all the shear strength and geometrical parameters considered in this study.

Details

World Journal of Engineering, vol. 21 no. 4
Type: Research Article
ISSN: 1708-5284

Keywords

Book part
Publication date: 30 October 2024

Md. Wasiul Islam, Md. Mahfuz Ur Rahman and Shakil Ahmed

Visits to locations connected to historical atrocities, tragedy, suffering, or presumably dreadful events are referred to as “dark tourism”. While Bangladesh may not be widely…

Abstract

Visits to locations connected to historical atrocities, tragedy, suffering, or presumably dreadful events are referred to as “dark tourism”. While Bangladesh may not be widely known for dark tourism, several unexplored avenues may be of interest to those who engage in this type of unique and unconventional tourism experience. In addition to creating job opportunities and income generation in Bangladesh, it can achieve educational objectives, communicate with a broad audience, raise awareness of events of the past, and quench people's thirst for information, which can help them to comprehend a society. Though Bangladesh has several somber locations connected to tragic events including World War II, liberation war sites, mass killing sites, shipbreaking yards, Rohingya refugee camps, riots, and the mother language movement, traditional tourism predominates there. If managed responsibly, these varied resources, somber locations, and histories, some of which date back to 1800, could make Bangladesh a dark tourism destination. Although dark tourism in Bangladesh has the potential to contribute to historical awareness, preservation, educational opportunities, and socioeconomic development, it is yet unexplored due to a lack of knowledge, experience, policy, effective marketing, and some controversies. By approaching responsibly, Bangladesh can leverage its history to attract visitors' interests in exploring the darker aspects of the country's past. Hence, this chapter is designed to explore the status and potential significance, prospects, and challenges of dark tourism in Bangladesh. The findings will help policymakers, tourists, and other stakeholders to explore and enjoy enormous benefits from Bangladesh's untapped dark tourism opportunities.

Book part
Publication date: 24 June 2024

Onur Akbulut

War is one of the worst characteristics of human nature. Wars over territory, religion, and governance were and are always present through history. War and tourism seem dissonant…

Abstract

War is one of the worst characteristics of human nature. Wars over territory, religion, and governance were and are always present through history. War and tourism seem dissonant at first glance. However, the post effects of war enable its components, such as battlefields and artefacts, to become tourist attractions. People share the impetus to visit war attractions such as battlefields, military museums, cemeteries, memorials, and other war-related sites. There is a supply for this type of tourism in exchange for the demand. This type of tourism is referred to in the literature as battlefield tourism. The meaning and definition of battlefield tourism are the main aim of this chapter. What is battlefield tourism? What are the components of battlefield tourism? How can battlefield tourism be defined? These are the primary questions this study tries to address.

Book part
Publication date: 30 October 2024

Samik Ray

Dark tourism is a new coinage rooted in the perception of tourism activities at the sites or destinations connected to phenomena that bear varied, flexible, dynamic, diverse, and…

Abstract

Dark tourism is a new coinage rooted in the perception of tourism activities at the sites or destinations connected to phenomena that bear varied, flexible, dynamic, diverse, and graded dark shades of life and civilization. It is now customary to subsume it within the sets of niche tourism. Some dark tourism sites attract visitors and generate sizable amounts of revenue, yet most of the world does not register much demand compared to other niches. Accordingly, promotion pursuit turned crucial to draw the market’s attention, creating its competitively distinct position.

Indeed, inherent issues, such as conceptual multiplicity within nature, aspect, attribute, and product paradigm, turn dark tourism into a complex phenomenon and put a challenge toward creating its distinct market position. Additionally, contradictions in semantic and functional significances, conflicts in framing morbid memory and authentic portrayal, variances in ethical, cultural and ideological interpretations, transition of liminal space identity, and diverse focuses in stakeholder engagement in imaging impede efforts to transform dark tourism attractions into a significant driver of tourism.

This chapter will locate and address the issues that challenge the marketability of dark attractions and dark tourism promotion more directly, with attention to the Indian context.

Article
Publication date: 4 April 2023

Soumaya Hadri, Souhila Rehab Bekkouche and Salah Messast

The paper aims to present an experimental and numerical investigation of the load–settlement behavior of soil reinforced by stone column, as well as to evaluate the plane strain…

Abstract

Purpose

The paper aims to present an experimental and numerical investigation of the load–settlement behavior of soil reinforced by stone column, as well as to evaluate the plane strain unit cell model for the analysis of stone columns.

Design/methodology/approach

The numerical analysis was done using both axisymmetric and plane strain models. The elastic perfectly plastic behavior of Mohr–Coulomb was adopted for both soil and column material. The numerical results of this study were validated by the comparison with the in-situ measurements of a full-scale loading test on a stone column. This study also evaluated the effect of different parameters involved in the design of a stone column, including Young’s modulus of the column material, column diameter, spacing between the stone columns and Poisson’s ratio of the column material.

Findings

After the numerical simulation, the results from both axisymmetric and plane strain models are quite comparable. In addition, the numerical results revealed that the stone column with low spacing, a large diameter and a high Young’s modulus indicated better behavior against the settlement.

Originality/value

The axisymmetric unit cell model was used in many numerical studies on the behavior of stone columns. In the present work, a field load test on stone column was simulated using a plane strain unit cell model. This research adds that the plane strain unit cell model can be used to predict the settlement of reinforced soil with stone columns.

Details

World Journal of Engineering, vol. 21 no. 3
Type: Research Article
ISSN: 1708-5284

Keywords

Article
Publication date: 2 September 2024

Faouzi Khedher and Boubaker Jaouachi

The purpose of this work is to study the relationship between the fabric’s mechanical properties such as tear strength (TS), breaking strength (BS) and cloth’s dimensional…

Abstract

Purpose

The purpose of this work is to study the relationship between the fabric’s mechanical properties such as tear strength (TS), breaking strength (BS) and cloth’s dimensional stability (Sh), particularly, after industrial launderings (stone wash, enzyme wash, mixed wash and rinse). Hence, we select the most interrelationships using the principal component analysis (PCA) technique. In this study, the treatments of finishing garments during washing are the important parameters influencing the cloth’s dimensional and the fabric’s mechanical properties. To improve the obtained results, the selected significant inputs are also analyzed within their influence on shrinkage. The polynomial regression model relating the tear strength and the shrinkage of denim fabric proves the effectiveness of the PCA method and the obtained findings.

Design/methodology/approach

To investigate the matter, the type of washing, and their contributions to shrinkage, four types of fabrics manufactured into pants were used. These fabrics differ not only by their basis weights (medium and heavy weight fabrics) but, also by their compositions (within and without elastane) and their thread count (warp and weft yarn count, twist and density. To evaluate significant results, a factorial design analysis based on an experimental design was established. The choice of these treatments, as well as their design mode, led us to make a complete factorial experimental design.

Findings

According to the results, the prediction of shrinkage behavior as a function of the process washing input parameters seems significant and useful in our experimental design of interest. As a consequence, it was also concluded that after these input parameters, we can find the relationship between the shrinkage (Shwarp and Shweft) and the mechanical properties such as tear strength (TSwarp and TSweft) and breaking strength (BSwarp and BSweft). Thanks to the PCA, it is very easy to reduce the number of the influent output parameters, and knowing these significant parameters, the prediction of mechanical properties knowing the shrinkage of denim garment, during the process of washing seems successful and can undoubtedly help industrial to minimize the poor workmanship of the finishing quality.

Practical implications

This study is very interesting for finishing denim garments. The shrinkage is very important for correcting measures in sewing, considering that a high shrinkage may cause the cancellation of the fit from the client. This type of defect cannot be repaired in the major part of the cases and causes a big loss for the company, moreover the mechanical properties. For this reason, analyzing the value of shrinkage before starting the production cycle is of great importance to apply the right balance to the pattern. The model of predicting the mechanical properties behaviors as a function of the shrinkage denim garment leads manufacturers to eliminate the test of mechanical properties that remain as destructive tests. Moreover, according to the results obtained, it may be concluded that prediction is still accurate through the shrinkage test which is an inevitable test. Even though, these results can bring a huge gain for the garment wash industries.

Originality/value

This work presents the first study predicting a relationship between the mechanical properties and denim garment shrinkage, applying the PCA technique to minimize the all-output parameters that are not significant or correlated with each other. Besides, it deals with the relationship developed between the fabric’s mechanical properties such as tear strength (TS), breaking strength (BS) and cloth’s dimensional stability (Sh), particularly, after industrial launderings (stone wash, enzyme wash, mixed wash and rinse). Moreover, it is notable to mention that the originality of this study is to let to the garment wash industries to save in production time of orders and also in quality.

Details

International Journal of Clothing Science and Technology, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0955-6222

Keywords

Book part
Publication date: 24 June 2024

Pınar Işıldar

From ancient times, people have been drawn to the sites of past battles to pay their respects, learn about history, and gain a deeper understanding of the sacrifices made by those…

Abstract

From ancient times, people have been drawn to the sites of past battles to pay their respects, learn about history, and gain a deeper understanding of the sacrifices made by those who fought. Today, battlefield tourism is a popular way for people to connect with the past and honor those who served their countries. Battlefield tourism is a significant component of war tourism and is not a new phenomenon (Smith, 1996). Even before the concepts of dark tourism or thanatourism emerged, studies were mostly carried out within the scope of heritage tourism at battlefields and war-related sites. However, with the increasing interest in the macabre and morbid aspects of history, dark tourism has gained popularity as a distinct form of tourism, encompassing sites related to death, tragedy, and disaster.

The debate about how to interpret war or how battlefield tourism relates to death is not new, and many studies on battlefield tourism compare and contrast various aspects of travel, whether they are dreary, educational, or enjoyable. To examine battlefield tourism from a historical perspective, firstly conceptually, it is necessary to consider how it has been perceived from the past to the present and what structures are involved. This section aims to examine the tourism of the battlefields from a historical perspective. In this context, at the first stage, its development in the literature was examined from a conceptual point of view, and then the turning points where tourism activities started were discussed.

Details

Battlefield Tourism
Type: Book
ISBN: 978-1-83909-991-5

Keywords

Open Access
Article
Publication date: 15 February 2024

Jari Huikku, Elaine Harris, Moataz Elmassri and Deryl Northcott

This study aims to explore how managers exercise agency in strategic investment decisions (SIDs) by drawing on their knowledgeability of the strategic context. Specifically, the…

Abstract

Purpose

This study aims to explore how managers exercise agency in strategic investment decisions (SIDs) by drawing on their knowledgeability of the strategic context. Specifically, the authors address the role of position–practice relations and irresistible causal forces in this conduct.

Design/methodology/approach

The authors examine SID-making (SIDM) practices in four case organisations operating in highly competitive markets, conducting interviews with managers at various levels and analysing company documents. Drawing on strong structuration theory, the authors show how managerial decision makers draw upon their knowledge of organisational context when exercising agency in SIDs.

Findings

The authors provide insights into how SIDM behaviour, specifically agents’ conduct, is shaped by a combination of position–practice relations and the agents’ comprehension of their organisation’s context.

Research limitations/implications

The authors extend the SIDM literature by surfacing the issue of how actors’ conjuncturally-specific knowledge of external structures shapes the general dispositions they draw on in exercising agency in practice.

Originality/value

The authors extend the SIDM literature by surfacing the issue of how actors’ conjuncturally-specific knowledge of external structures shapes the general dispositions they draw on in exercising agency in practice. Particularly, the authors contribute to this literature by identifying irresistible causal forces and illuminating why actors might not resist in SIDM processes, despite having the potential to do so.

Details

Journal of Accounting & Organizational Change, vol. 20 no. 6
Type: Research Article
ISSN: 1832-5912

Keywords

1 – 10 of over 1000