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Book part
Publication date: 14 December 2023

Umer Hussain

Throughout the world, women encounter strong patriarchal values that promote the virtue of women's chastity. Within numerous conservative societies, such as certain regions of the…

Abstract

Throughout the world, women encounter strong patriarchal values that promote the virtue of women's chastity. Within numerous conservative societies, such as certain regions of the Islamic Republic of Pakistan, the intactness of the hymen in a young woman is viewed as emblematic of her dignity, righteousness, and pride. Participants in our investigations highlighted that hymen rupture stigma remains prevalent in many parts of Pakistan, often leading to social consequences or disapproval of women who want to participate in sports. Additionally, participants disclosed that some women had internalized the hymen rupture stigma, and families might reinforce it. This chapter contributes to the limited scholarship concerning how social norms, hymen rupture stigma, and family values influence Muslim women's participation or lack of participation in sports in Pakistan.

Executive summary
Publication date: 20 March 2024

SUDAN/SOUTH SUDAN: Oil rupture may prove destabilising

Details

DOI: 10.1108/OXAN-ES285979

ISSN: 2633-304X

Keywords

Geographic
Topical
Article
Publication date: 6 October 2023

Cleiton Lazaro Fazolo De Assis and Cleber Augusto Rampazo

This paper aims to evaluate the mechanical behaviour of polycarbonate/acrylonitrile butadiene styrene (PC/ABS) filaments for fusion filament fabrication (FFF). PC/ABS have emerged…

Abstract

Purpose

This paper aims to evaluate the mechanical behaviour of polycarbonate/acrylonitrile butadiene styrene (PC/ABS) filaments for fusion filament fabrication (FFF). PC/ABS have emerged as a promising material for FFF due to their excellent mechanical properties. However, the optimal processing conditions and the effect of the blending ratio on the mechanical properties of the resulting workpieces are still unclear.

Design/methodology/approach

A statistical factorial matrix was designed, including infill pattern, printing speed, nozzle size, layer height and printing temperature as factors (with three levels). A total of 810 workpieces were printed using PC/ABS blends filament with the FFF. The workpieces’ finishing and mass were evaluated. Tensile tests were performed. Analysis of variance was performed to determine the main effects of the processing conditions on the mechanical properties.

Findings

The results showed that the PC/ABS (70/30) exhibited higher tensile. Tensile rupture corresponded to 30% of the tensile strength. The infill pattern showed the highest contribution to the responses. The concentric pattern showed higher tensile strength. Tensile strength and mass ratio demonstrated the influence of mass on tensile strength. The influence of printing parameters on deformation depended on the blend proportions. Higher printing speed and lower layer height provided better quality workpieces.

Originality/value

This study has implications for the design and manufacturing of three-dimensional printed parts using PC/ABS filaments. An extensive experimental matrix was applied, aiming at a complete understanding of mechanical behavior, considering the main printing parameters and combinations not explored by literature.

Details

Rapid Prototyping Journal, vol. 30 no. 2
Type: Research Article
ISSN: 1355-2546

Keywords

Open Access
Article
Publication date: 27 January 2023

Damira Dairabayeva, Asma Perveen and Didier Talamona

Currently on additive manufacturing, extensive research is directed toward mitigating the main challenges associated with multi-material in fused filament fabrication which has a…

1020

Abstract

Purpose

Currently on additive manufacturing, extensive research is directed toward mitigating the main challenges associated with multi-material in fused filament fabrication which has a weak bonding strength between dissimilar materials. Low interfacial bonding strength leads to defects, anisotropy and temperature gradient in materials which negatively impact the mechanical performance of the multi-material prints. The purpose of this study was to assess the performance of different interface geometry designs in terms of the mechanical properties of the specimens.

Design/methodology/approach

Tensile test specimens were printed using: mono-material without a boundary interface, mono-material with the interface geometries (Face-to-face; U-shape; T-shape; Dovetail; Encapsulation; Mechanical interlocking; and Overlap) and multi-material with the interface geometries. The materials chosen with high and low compatibility were Tough polylactic acid (PLA) and TPU.

Findings

The main results of this study indicate that the interface geometries with the mechanical constriction between materials provide better structural integrity to the specimens. Moreover, in the case of the mono-material parts, the most effective interface design was the mechanical interlocking for both Tough PLA and TPU. On the other hand, in the case of multi-material specimens, the encapsulation showed the highest ultimate tensile strength, whereas the overlap and T-shape presented more robust bonding.

Originality/value

This study examines the mechanical performance, particularly tensile strength, strain at break, Young’s modulus and yield strength of different interface designs which were not studied in the previous studies.

Details

Rapid Prototyping Journal, vol. 29 no. 11
Type: Research Article
ISSN: 1355-2546

Keywords

Expert briefing
Publication date: 26 March 2024

This episode could have a significant impact on South Sudan's government, which derives almost 90% of its revenue from oil.

Article
Publication date: 14 February 2024

Rafael Borim-de-Souza, Yasmin Shawani Fernandes, Pablo Henrique Paschoal Capucho, Bárbara Galleli and João Gabriel Dias dos Santos

This paper aims to analyze what Samarco and Brazilian magazines speak and say about Mariana’s environmental crime. Discover their doxa in this subject. Interpret the speakings…

Abstract

Purpose

This paper aims to analyze what Samarco and Brazilian magazines speak and say about Mariana’s environmental crime. Discover their doxa in this subject. Interpret the speakings, sayings and doxas through the theories of the treadmills of production, crime and law.

Design/methodology/approach

It is a qualitative and documental research and a narrative analysis. Regarding the documents: 45 were from public authorities, 14 from Samarco Mineração S.A. and 73 from Brazilian magazines. Theoretically, the authors resorted to Bourdieusian sociology (speaking, saying and doxa) and the treadmills of production, crime and law theories.

Findings

Samarco: speaking – mission statements; saying – detailed information and economic and financial concerns; doxa – assistance discourse. Brazilian magazines: speaking – external agents; saying – agreements; doxa – attribution, aggravations, historical facts, impacts and protests.

Research limitations/implications

The absence of discussions that addressed this fatality, with its respective consequences, from an agenda that exposed and denounced how it exacerbated race, class and gender inequalities.

Practical implications

Regarding Mariana’s environmental crime: Samarco Mineração S.A. speaks and says through the treadmill of production theory and supports its doxa through the treadmill of crime theory, and Brazilian magazines speak and say through the treadmill of law theory and support their doxa through the treadmill of crime theory.

Social implications

To provoke reflections on the relationship between the mining companies and the communities where they settle to develop their productive activities.

Originality/value

Concerning environmental crime in perspective, submit it to a theoretical interpretation based on sociological references, approach it in a debate linked to environmental criminology, and describe it through narratives exposed by the guilty company and by Brazilian magazines with high circulation.

Details

Safer Communities, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1757-8043

Keywords

Article
Publication date: 8 January 2024

Julian Waters-Lynch and Cameron Duff

The purpose of this study is to reflect on and analyse the sensory experiences related to the transition to remote work during the COVID-19 pandemic. The research seeks to…

Abstract

Purpose

The purpose of this study is to reflect on and analyse the sensory experiences related to the transition to remote work during the COVID-19 pandemic. The research seeks to understand how these experiences have influenced the integration of work practices into home and family life and the subsequent adaptations and embodied learning that arise in response.

Design/methodology/approach

The authors' research approach incorporates autoethnographic methods to explore the sensory, affective and emotional experiences of transitioning to remote work. The authors draw on principles of embodied learning, as influenced by Gilles Deleuze, and utilise a range of ethnographic tools including note-taking, audio memos, photography, shared conversations and written reflections to gather their data.

Findings

The study illuminates the ways bodies learn to accommodate the new organisational contexts that arise when the spaces, affects and forces of home and work intersect. It demonstrates how the integration of work into the private domain resulted in new affective and material arrangements, involving novel sensory experiences and substantial embodied learning.

Originality/value

This study provides a distinct, sensory-oriented perspective on the challenges and transformations of remote work practices amid the pandemic. By focussing on the affective resonances and embodied learning that emerge in this context, it contributes to the emerging discourse around post-lockdown work practices and remote work in general.

Details

Journal of Organizational Ethnography, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2046-6749

Keywords

Article
Publication date: 10 November 2022

Nursyamsi Nursyamsi, Johannes Tarigan, Muhammad Aswin, Badorul Hisham Abu Bakar and Harianto Hardjasaputra

Damage to reinforced concrete (RC) structural elements is inevitable. Such damage can be the result of several factors, including aggressive environmental conditions, overloading…

Abstract

Purpose

Damage to reinforced concrete (RC) structural elements is inevitable. Such damage can be the result of several factors, including aggressive environmental conditions, overloading, inadequate design, poor work execution, fire, storm, earthquakes etc. Therefore, repairing and strengthening is one way to improve damaged structures, so that they can be reutilized. In this research, the use of an ultra high-performance fibre-reinforced concrete (UHPFRC) layer is proposed as a strengthening material to rehabilitate damaged-RC beams. Different strengthening schemes pertaining to the structural performance of the retrofitted RC beams due to the flexural load were investigated.

Design/methodology/approach

A total of 13 normal RC beams were prepared. All the beams were subjected to a four-point flexural test. One beam was selected as the control beam and tested to failure, whereas the remaining beams were tested under a load of up to 50% of the ultimate load capacity of the control beam. The damaged beams were then strengthened using a UHPFRC layer with two different schemes; strip-shape and U-shape schemes, before all the beams were tested to failure.

Findings

Based on the test results, the control beam and all strengthened beams failed in the flexural mode. Compared to the control beam, the damaged-RC beams strengthened using the strip-shape scheme provided an increase in the ultimate load capacity ranging from 14.50% to 43.48% (or an increase of 1.1450 to 1.4348 times), whereas for the U-shape scheme beams ranged from 48.70% to 149.37% (or an increase of 1.4870–2.4937 times). The U-shape scheme was more effective in rehabilitating the damaged-RC beams. The UHPFRC mixtures are workable, as well easy to place and cast into the formworks. Furthermore, the damaged-RC beams strengthened using strip-shape scheme and U-shape scheme generated ductility factors of greater than 4 and 3, respectively. According to Eurocode8, these values are suitable for seismically active regions. Therefore, the strengthened damaged-RC beams under this study can quite feasibly be used in such regions.

Research limitations/implications

Observations of crack patterns were not accompanied by measurements of crack widths due to the unavailability of a microcrack meter in the laboratory. The cost of the strengthening system application were not evaluated in this study, so the users should consider wisely related to the application of this method on the constructions.

Practical implications

Rehabilitation of the damaged-RC beams exhibited an adequate structural performance, where all strengthened RC beams fail in the flexural mode, as well as having increment in the failure load capacity and ductility. So, the used strengthening system in this study can be applied for the building construction in the seismic regions.

Social implications

Aside from equipment, application of this strengthening system need also the labours.

Originality/value

The use of sand blasting on the surfaces of the damaged-RC beams, as well as the application of UHPFRC layers of different thicknesses and shapes to strengthen the damaged-RC beams, provides a novel innovation in the strengthening of damaged-RC beams, which can be applicable to either bridge or building constructions.

Details

Construction Innovation , vol. 24 no. 3
Type: Research Article
ISSN: 1471-4175

Keywords

Expert briefing
Publication date: 21 March 2024

The Supreme Court of Justice voted on March 12 to confirm her appointment. She obtained 18 out of 23 votes and will serve a four-year term. She was nominated by President Gustavo…

Details

DOI: 10.1108/OXAN-DB285997

ISSN: 2633-304X

Keywords

Geographic
Topical
Book part
Publication date: 14 December 2023

Maija Lanas, Maria Petäjäniemi, Anne-Mari Väisänen, Kaisu Alamikkelä, Iida Kauhanen and Kirsi Yliniva

In this chapter, we explore a form of young people’s activism taking place in a central societal institution and a central forum in the lives of young people – school – that we…

Abstract

In this chapter, we explore a form of young people’s activism taking place in a central societal institution and a central forum in the lives of young people – school – that we conceptualise as ‘active equity’. We present three cases from northern Finland: reindeer herders smashing potatoes, immigrant youth requesting a key and young people lying on sofas during breaks between lessons. We suggest that these acts, in the contexts in which they took place, were an unrecognised form of social action for equity undertaken by young people. We argue that the concept of active equity helps examine the assertion of rights and claims for justice by children and young people. In each case we present, young people make visible an inequity in their contexts: the reindeer herding way of life was overlooked in school, asylum-seeking or refugee immigrants were excluded from the main school building, and non-high-performing young people were excluded from comfortable areas during lessons. These, in turn, linked to broader societal inequities in Finland, a country commonly known for its equality. In school, young people are commonly viewed through intersecting discourses of democracy and education. In both discourses, they are commonly positioned as learners rather than speakers. Through active equity, young people subtly imprint themselves on the scene of education in new ways. For this reason, their acts of active equity remain typically either unrecognised or seen as oppositional in school.

Details

Childhood, Youth and Activism: Demands for Rights and Justice from Young People and their Advocates
Type: Book
ISBN: 978-1-80117-469-5

Keywords

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