Relevant bibliographies by topics / Support pillar

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Support pillar'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Support pillar"

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Collins, RE, and AC Fischer-Cripps. "Design of Support Pillar Arrays in Flat Evacuated Windows." Australian Journal of Physics 44, no. 5 (1991): 545. http://dx.doi.org/10.1071/ph910545.

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Flat evacuated glazing consists of two plane sheets of glass separated by a narrow evacuated space. These structures must incorporate an array of support pillars in order to maintain the separation of the glass plates under the influence of atmospheric pressure forces. A design procedure is outlined for determining the dimensions of this pillar array. Two important constraints in the design process are the mechanical tensile stress on the outside of the glass plates near the pillar, and the thermal conductance through the array of support pillars. A third constraint arises because of stress co
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Esterhuyse, J. C., and D. F. Malan. "Simulating pillar reinforcement using a displacement discontinuity boundary element code." Journal of the Southern African Institute of Mining and Metallurgy 123, no. 5 (2023): 211–21. http://dx.doi.org/10.17159/2411-9717/2450/2023.

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In this study we explore the use of a novel numerical modelling approach to study the effect of pillar reinforcement on pillar stability. Case studies in the literature indicate that tendons, strapping of the pillars, and shotcrete or thin spray-on liners are commonly used to reinforce pillars. No clear methodology exists to select the type of support or to design the capacity of the support required, however. This has led to ongoing collapses in some mines in spite of heavy support being used to reinforce unstable pillars. A limit equilibrium model with confinement on the edge of the pillar w
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Yan, Baoxu, Hanwen Jia, Yuliang Liu, Penghao Liu, and Erol Yilmaz. "Revealing Cooperative Load-Bearing Mechanisms Between Mine Backfill and Rock Pillar Using a Bonded-Block Modeling Approach." Minerals 15, no. 3 (2025): 210. https://doi.org/10.3390/min15030210.

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This study investigates how mine backfill interacts with pillars to enhance load-bearing mechanisms in underground mining using the bonded-block modeling method. Through systematic numerical simulations of single- and three-pillar systems, we evaluate critical design parameters—backfill ratio, backfill’s cohesion, lateral confinement pressure, and pillar height-to-width ratio—to quantify their effects on cooperative load-bearing behavior. Key findings reveal that backfill provides essential horizontal passive support to pillars, with this stabilizing effect amplifying as the pillars fragment o
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Shan, Changhao, Shenggen Cao, Zeyu Zhang, Kewen Lin, and Jialong Sun. "Numerical Investigation on the Yield Pillar Bearing Capacity under the Two-End-Type Cable Reinforcement." Energies 16, no. 18 (2023): 6418. http://dx.doi.org/10.3390/en16186418.

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For underground coal mining techniques such as gob-side entry retaining (GER) or gob-side entry driving (GED), the stability of yield pillars is paramount. A well-designed yield pillar aims to withstand mining-induced stresses. This study delves into the impact of bi-terminal cable support on the stability of such pillars. Utilizing 30 distinct numerical models, each with varying pillar width/height (w/h) ratios and diverse cable support methodologies, our findings suggest an upward trend in both peak and residual strength in response to heightened support strength. Notably, pillars with a wid
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Pinckney, Jonathan, and Claire Trilling. "BREAKING DOWN PILLARS OF SUPPORT FOR DEMOCRATIC BACKSLIDING." Mobilization: An International Quarterly 30, no. 2 (2025): 171–88. https://doi.org/10.17813/1086-671x-30-2-171.

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Can civil resistance counter democratic backsliding? Civil resistance campaigns are most effective when they shift the loyalty of regimes’ “pillars of support.” Yet we know little about how loyalty shifts occur or the tactics that erstwhile pillars employ post-loyalty shift. And the literature has focused on civil resistance against autocracies rather than democratic backsliding. To fill these gaps, we collect and analyze data on actions by resistance campaigns and four key pillars of support in a random sample of democratic backsliding periods. We find that civil resistance is associated with
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Li, Ning, Masoud Zare, Congke Yi, and Rafael Jimenez. "Stability Risk Assessment of Underground Rock Pillars Using Logistic Model Trees." International Journal of Environmental Research and Public Health 19, no. 4 (2022): 2136. http://dx.doi.org/10.3390/ijerph19042136.

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Pillars are important structural elements that provide temporary or permanent support in underground spaces. Unstable pillars can result in rock sloughing leading to roof collapse, and they can also cause rock burst. Hence, the prediction of underground pillar stability is important. This paper presents a novel application of Logistic Model Trees (LMT) to predict underground pillar stability. Seven parameters—pillar width, pillar height, ratio of pillar width to height, uniaxial compressive strength of rock, average pillar stress, underground depth, and Bord width—are employed to construct LMT
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Le Quang, Phuc, Vladimir Zubov, and Thang Pham Duc. "Design a Reasonable Width of Coal Pillar Using a Numerical Model. A case study of Khe Cham basin, Vietnam." E3S Web of Conferences 174 (2020): 01043. http://dx.doi.org/10.1051/e3sconf/202017401043.

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Problems in surrounding rock displacement, roadway deformation and complex support are the hallmarks of the long wall mining system. Such problems seriously affect the safety and efficient production of coal mines. To control the deformation of the rocks around the roadway next to the goaf, to reduce the support pressure, in Vietnamese underground mines often leave supporting coal pillars. Identification of a reasonable design for roadway supporting pillars by a numerical simulation study was conducted under the geological and technical foundation of I-10- 2 working faces at the Khe Cham coal
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Huang, Wanpeng, Shilei Liu, Mingtao Gao, et al. "Improvement of Reinforcement Performance and Engineering Application of Small Coal Pillars Arranged in Double Roadways." Sustainability 15, no. 1 (2022): 292. http://dx.doi.org/10.3390/su15010292.

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The supporting technology of retaining small coal pillars in a double roadway layout can effectively relieve the tension of mining and excavation replacement and improve the coal recovery rate. The critical difficulty is that the supporting structure on both sides of the small coal pillar has not established an effective mechanical connection, and the improvement of the bearing capacity of the coal pillar is limited, so it is difficult to achieve long-term stability control of the small coal pillar. Taking the 301 and 302 working faces of Gaojiapu Coal Mine as the engineering background, this
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Krukovskyi, Oleksandr, Yurii Bulich, Serhii Kurnosov, Oleksii Yanzhula, and Vladimir Demin. "Substantiating the parameters for selecting a pillar width to protect permanent mine workings at great depths." IOP Conference Series: Earth and Environmental Science 970, no. 1 (2022): 012049. http://dx.doi.org/10.1088/1755-1315/970/1/012049.

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Abstract Application of a method to protect permanent mine workings by large pillars requires thorough analysis of geomechanical processes aimed at providing stability for a mine working during its long-term operation. The purpose of the paper is to study the processes of coal rock mass deformation to substantiate the selection of the protective pillar width. The examples to be considered are represented by mining-geological conditions of a central panel of PJSC Colliery Group “Pokrovske” where four permanent mine workings are planned to be driven. To substantiate the width of protective pilla
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Orenstein, Evan W., Naveen Muthu, Asli O. Weitkamp, et al. "Towards a Maturity Model for Clinical Decision Support Operations." Applied Clinical Informatics 10, no. 05 (2019): 810–19. http://dx.doi.org/10.1055/s-0039-1697905.

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AbstractClinical decision support (CDS) systems delivered through the electronic health record are an important element of quality and safety initiatives within a health care system. However, managing a large CDS knowledge base can be an overwhelming task for informatics teams. Additionally, it can be difficult for these informatics teams to communicate their goals with external operational stakeholders and define concrete steps for improvement. We aimed to develop a maturity model that describes a roadmap toward organizational functions and processes that help health care systems use CDS more
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Dissertations / Theses on the topic "Support pillar"

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Shabanimashcool, Mahdi. "Numerical modelling of the longwall mining and the stress state in Svea Nord Coal Mine." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for geologi og bergteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-20255.

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This thesis presents numerical and analytical investigation of the geomechanics underlying longwall mining. It was tried out to study the disturbances induced by longwall mining in nearby rocks and their influence on the stability of the gates, pillars and main tunnels of longwall mines. The thesis consists of two major parts: numerical and analytical investigations. The study site is the Svea Nord coalmine, Svalbard, Norway. A novel algorithm was proposed for numerical simulation of the longwall mining process. In the proposed algorithm progressive cave-in and fracturing of the roof strata, c
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Латишова, Антоніна Анатоліївна. "Удосконалення технології виготовлення еластичних стрічок". Магістерська робота, Київський національний університет технологій та дизайну, 2020. https://er.knutd.edu.ua/handle/123456789/18036.

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Метою даної роботи є удосконалення технології виготовлення еластичних тасьм за рахунок зменшення вмісту еластомерних ниток. В роботі спроектовано та виготовлено еластичні тасьми, які можуть бути використані як фіксуючі елементи у виробах лікувально-профілактичного призначення. Для зниження вмісту еластомерних ниток використано часткове набирання гребінки. розроблені еластичні тасьми мають нижчу на 7 ÷ 10 % поверхневу густину ніж аналогічні полотна, які виготовлені при повному набиранні гребінки еластомерними нитками. Дослідження параметрів структури еластичних тасьм показали, що збільшення поп
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Wilson, Colin F. "Effects relating to support pillars in vacuum glazing." Thesis, The University of Sydney, 1998. https://hdl.handle.net/2123/27712.

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Vacuum glazing, a new form of transparent thermal insulation, consists of two closely spaced sheets of glass which are sealed around their edges, forming an internal space which is then evacuated to a very low pressure (< 0.1 Pa). The separation of the glass panes is maintained against atmospheric pressure by an array of support pillars. In this thesis, two effects relating to these support pillars are studied. The thermal resistances associated with the heat flow through a single pillar, and through the pillar array, are calculated using a simple analytic method, and using a two—dimension
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Tecklenburg, Gerhard. "Design of body assemblies with distributed tasks under the support of parametric associative design (PAD)." Thesis, University of Hertfordshire, 2011. http://hdl.handle.net/2299/5809.

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This investigation identifies how CAD models of typical automotive body assemblies could be defined to allow a continuous optimisation of the number of iterations required for the final design and the number of variants on the basis of Parametric Associative Design (PAD) and how methodologies for the development of surfaces, parts and assemblies of the automotive body can be represented and structured for a multiple re-use in a collaborative environment of concept phase of a Product Evolution (Formation) Process (PEP). The standardisation of optimised processes and methodologies and the enhanc
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Silva, Isabela Rodrigues Teixeira da. "Efeito do parafuso cônico na simulação da mastigação sobre a interface implante/pilar em diferentes relações coroa/implante." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/23/23150/tde-05082016-151221/.

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Este estudo tem como objetivo avaliar 2 diferentes desenhos de parafusos de pilares, o parafuso de cabeça quadrada (PCQ) e o parafuso de cabeça cônica (PCC), verificando se em diferentes relações coroa/implante (RCI) haverá mudança no contra-torque após a ciclagem mecânica. Inicialmente a área superficial do PCQ e do PCC foi mensurada através da análise digital das imagens dos parafusos no software de projeto 3D SolidWorks. Foram utilizados 40 conjuntos Implante/Parafuso/Pilar, os conjuntos foram divididos em 4 grupos: GRUPO A: 10 conjuntos com pilares medindo 9,8mm de altura, simulando uma RC
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Butignon, Luís Eduardo. "Influência do tipo de pilar de resistência mecânica pré-ciclagem, quantidade de toque retido e desajuste vertical pré e pós-ciclagem, com análise estrutural em MEV /." Araraquara : [s.n.], 2011. http://hdl.handle.net/11449/105498.

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Orientador: João Neudenir Arioli Filho<br>Banca: Rafael Leonardo Xediek Consani<br>Banca: Luiz Fernando Pegoraro<br>Banca: Ana Carolina Pero<br>Banca: Regnata Garcia Fonseca<br>Resumo: Problemática: De ocorrência clínica comum, o afrouxamento dos parafusos que compõe uma prótese sobre implante é uma complicação que traz transtornos tanto para o profissional quanto para o paciente. Entre os fatores que interferem na estabilidade da união parafusada destaca-se a pré-carga gerada durante o torque do parafuso, as formas como as forças se dissipam através do conjunto implante/pilar/parafuso e as ca
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Tramontino-Mesquita, Vanessa Silva 1982. "Proteses fixas implanto-retidas : influencia do pilar intermediario e dos ciclos de cocção da ceramica nos desajustes e nas tensões induzidas as fixações." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289183.

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Orientador: Guilherme Elias Pessanha Henriques<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-10T13:58:31Z (GMT). No. of bitstreams: 1 Tramontino-Mesquita_VanessaSilva_M.pdf: 2155429 bytes, checksum: 5050e6eb80efb708a774530922aee871 (MD5) Previous issue date: 2008<br>Resumo: Especula-se que ciclos de cocção da cerâmica geram aumento nos desajustes marginais. Em próteses sobre implantes se imagina que possam motivar aumento das tensões induzidas às fixações, tensões estas, que podem variar em função
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Butignon, Luís Eduardo [UNESP]. "Influência do tipo de pilar de resistência mecânica pré-ciclagem, quantidade de toque retido e desajuste vertical pré e pós-ciclagem, com análise estrutural em MEV." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105498.

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Made available in DSpace on 2014-06-11T19:35:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-07-20Bitstream added on 2014-06-13T19:05:07Z : No. of bitstreams: 1 butignon_le_dr_arafo.pdf: 1153386 bytes, checksum: 16702ac969f619bac97fc05d42b19652 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Problemática: De ocorrência clínica comum, o afrouxamento dos parafusos que compõe uma prótese sobre implante é uma complicação que traz transtornos tanto para o profissional quanto para o paciente. Entre os fatores que interferem na estabilidade da união parafus
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Aguiar, Juliana Ribeiro Pala Jorge de [UNESP]. "Influência do tipo de conexão pilar/implante na manutenção da pré-carga de parafusos de retenção e na desadaptação vertical da coroa protética antes e após ciclagem mecânica." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105561.

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Made available in DSpace on 2014-06-11T19:35:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-05-02Bitstream added on 2014-06-13T19:24:17Z : No. of bitstreams: 1 aguiar_jrpj_dr_araca.pdf: 843042 bytes, checksum: f640ef7de226d005134afbe1456c4ddf (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Próteses implantossuportadas estão sujeitas a diversos tipos de falhas, sendo o afrouxamento do parafuso de retenção a complicação mais frequente, devido à perda da pré-carga inicial. A perda da pré-carga pode ser influenciada por fatores como incidência de cargas
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Filho, Hilmo Barreto Leite Falcão. "Avaliação da relação entre o desajuste vertical em interfaces pilar/cilindro protético fundido e sobrefundido e a perda de torque de parafusos protéticos de titânio." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/58/58131/tde-18092006-235019/.

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Este estudo foi desenvolvido com o objetivo de avaliar os níveis de desajustes em interfaces pilar / cilindros protéticos obtidos a partir de cilindros calcináveis e pré-usinados fundidos em duas diferentes ligas metálicas, e a perda de torque em parafusos protéticos de titânio utilizados para fixar estas interfaces, analisando a relação entre estas variáveis. Os parafusos protéticos foram submetidos a análises de microscopia eletrônica de varredura antes e após o aperto. Os valores de torque foram aferidos por um torquímetro digital, os valores de desajustes registrados por um microscópio ópt
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Books on the topic "Support pillar"

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Serrano, M. R., and Edlira Xhafa. Industrial relations in micro and small enterprises. ILO, 2024. http://dx.doi.org/10.54394/xjhf2363.

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This working paper offers a global review of industrial relations within micro and small enterprises (MSEs), focusing on the collective representation of workers and employers, collective bargaining, and legal frameworks. MSEs and the self-employed account for 70 per cent of global employment, largely in the informal economy, and face challenges such as the limited reach of labour law and weak industrial relations mechanisms. The paper highlights the scarcity of research on industrial relations in MSEs and makes recommendations for further research in this area. It outlines policy recommendati
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PANTON, ROBERT. From Nurse to a Community Support Worker-A Pillar of Support. Independently Published, 2017.

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Waters, Matthew. From Pillar to Post: Failing to Meet the Support and Housing Needs of Vulnerable People. Shelter, 2000.

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Capacity building support to Zanzibar: Pillar 1: wealth creation, economic empowerment, and employment : documentation on good practices and lessons learnt. United Nations Tanzania, 2011.

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Pillars of Support. Indy Pub, 2022.

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Pillars of Support. Indy Pub, 2022.

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Alphen, Markus van. Pillars of the Temple. Lulu Press, Inc., 2010.

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Freilich, Charles D. The “Special Relationship”. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190602932.003.0011.

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Chapter 10 presents an overview of Israel’s military and strategic relationship with the United States, a fundamental pillar of its national security. The chapter argues that the price of the “special relationship” has been a significant loss of Israel’s independence, and that Israel undertakes major military and diplomatic initiatives without prior US approval very rarely, almost only on existential issues or ones of supreme ideological importance to its electorate. Indeed, the chapter questions whether Israel’s dependence has become so great that it could not even survive today without the U
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de Franco, Chiara, Christoph Meyer, and Karen E. Smith. Europe and the European Union. Edited by Alex J. Bellamy and Tim Dunne. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780198753841.013.21.

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This chapter analyses acceptance and implementation of the norm of the responsibility to protect by the European Union and its member states. Although European states have accepted the norm, and supported its development at the UN, progress in implementing it has been patchier. The chapter looks at the degree to which there has been programmatic, bureaucratic and operational implementation of the norm by the EU in particular. It finds there are wide divergences in Europe over the use of military force with regard to pillar 3 of R2P, a lack of EU bureaucratic capacity and will to implement pill
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Wilderer, Andreas Andreas. Lean On: The Five Pillars of Support for Women in Leadership. Advantage Media Group, 2019.

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Book chapters on the topic "Support pillar"

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Sridharan, Bhavani, Jade McKay, and David Boud. "The Four Pillars of Peer Assessment for Collaborative Teamwork in Higher Education." In The Power of Peer Learning. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-29411-2_1.

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AbstractPeer learning is an umbrella term covering diverse strategies supporting students to learn from each other. Studies highlight the power of combining two intertwined models of peer learning, namely peer assessment/feedback and collaborative team-based learning, to prepare graduates for the world of work and encourage acceptable social behaviours. Nevertheless, this approach comes with distinct challenges of marking bias, implementation difficulties, quality, trust and other issues. Studies addressing these challenges in the collaborative teamwork context are sparse and fail to consider
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Garcia, Paula Oset, Lisana Berberi, Leonardo Candela, Inge Van Nieuwerburgh, Emma Lazzeri, and Marie Czuray. "Developing the EOSC-Pillar RDM Training and Support Catalogue." In Linking Theory and Practice of Digital Libraries. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16802-4_22.

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Kushtayev, A. Zh, K. K. Tulebayev, and A. M. Artemyev. "Mechanism of fractured zone formation in support pillar at blasting." In Assessment and Prevention of Failure Phenomena in Rock Engineering. Routledge, 2022. http://dx.doi.org/10.1201/9781315137803-97.

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Tavares, Vanessa, and Marco Frazão Pedroso. "Barriers and Opportunities in the Transition to a Circular Construction Sector in Portugal." In Creating a Roadmap Towards Circularity in the Built Environment. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-45980-1_17.

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AbstractTransitioning from a linear to a circular economy (CE) is one of the main goals set by the European Union to achieve carbon neutrality by 2050. Portugal is currently revising the national CE action plan, and the construction sector has been identified as one of the key sectors. Barriers and opportunities in the transition to a CE were previously mapped in literature and national or sectorial CE action plans but still need to be identified for the Portuguese construction sector specificities. Over one-thousand stakeholders were interviewed during eleven working sessions to characterize
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Cunningham, Stuart, and Oliver Eklund. "State Actor Policy and Regulation Across the Platform-SVOD Divide." In Palgrave Global Media Policy and Business. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95220-4_10.

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AbstractThere are rapidly growing concerns worldwide about the impact of content aggregation and distribution through digital platforms on traditional media industries and society in general. These have given rise to policy and regulation across the social pillar, including issues of privacy, moderation, and cyberbullying; the public interest/infosphere pillar, with issues such as fake news, the democratic deficit, and the crisis in journalism; and the competition pillar, involving issues based on platform dominance in advertising markets. The cultural pillar, involving the impact of SVODs on
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Simon, Alexandra, and Pilar Marquès. "Public Policy Support to Triple Helix R&D Collaborations: A European Model for Fourth Pillar Organizations." In Sustaining Innovation. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4614-2077-4_6.

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Kupriyanova, Veronika, Enora Bennetot Pruvot, and Thomas Estermann. "Autonomy, Efficiency and Effectiveness—Opportunities for Higher Education: A Pilot Study." In European Higher Education Area: Challenges for a New Decade. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56316-5_27.

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Abstract Autonomy and efficiency are among the key topics that dominate the current higher education agenda and will shape the future of the European higher education landscape in the next decade. The capacity of higher education institutions and systems at large to respond to the rapidly changing needs of the society and economy will largely depend on what they can deliver and how autonomous, effective and efficient they are. The paper presents an analytical framework that connects the concepts of institutional autonomy, efficiency and effectiveness and explores the links between efficiency i
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Kiawu, Hassan, and Laurie K. Doepel. "32.1 Case Study: Clinical Research Communications during an Outbreak: Media Outreach Supporting Liberia–U.S. Research Partnership." In Principles and Practice of Emergency Research Response. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-48408-7_48.

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AbstractThe 2014 bilateral agreement signed by the Liberia Minister of Health and Social Welfare and his counterpart at the U.S. Department of Health and Human Services established the Partnership for Research on Ebola Virus in Liberia (PREVAIL). The urgent purpose was to begin a research partnership to assess the safety and efficacy of candidate vaccines and therapies to prevent and treat Ebola virus disease (EVD) during the outbreak that had been affecting Liberia, Guinea, and Sierra Leone since early 2014. As of 2024, PREVAIL continues to conduct research related to a variety of infectious
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Postlethwayt, Malachy. "The African Trade, the Great Pillar and Support of the British Plantation Trade in North America (London, J. Robinson, 1745)." In The British Transatlantic Slave Trade. Routledge, 2021. http://dx.doi.org/10.4324/9781003113409-5.

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Ling, Seow, James Lim, Tyler Sim, Enci Li, and Justin Mui. "Strengthening the Pillars of Support." In Relationships, Community, and the Restorative School. Routledge, 2025. https://doi.org/10.4324/9781003392453-7.

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Conference papers on the topic "Support pillar"

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Chaurasia, A., and G. Walton. "Simulating Large-Scale Supported Pillar Laboratory Experiments in 3DEC." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0082.

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ABSTRACT: Underground mine pillars are typically supported using rockbolts, wire mesh, shotcrete liners, or a combination of these methods to enhance stability and maintain their load-bearing capacity. The design of these supports is generally based on field experience, which is often site-specific, making them less applicable to all geological and loading conditions. Advancements in computational power have made it feasible to utilize numerical tools to simulate and analyze complex deformation behavior effectively. Discrete Element Methods (DEM) are more suitable than continuum modeling tools
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Sinha, S., G. Walton, and D. Shirole. "Assessment of Ground-Support Interaction Using Continuum Grain-Based Models." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0665.

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ABSTRACT: Spalling of pillar ribs is a major hazard in the mining industry. Developing effective support guidelines requires an understanding of pillar damage mechanisms as well as the rock-support interaction. Bonded Block Models (BBMs) represent a convenient tool for this purpose, as they can reproduce the rock fracturing process reasonably well, but it is not known whether all variants of this modeling technique can replicate the impact of reinforcement (bolts) on otherwise unsupported ground. Broadly speaking, BBMs can be sub-divided into two groups: true discontinuum (implemented in DEM s
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Dzimunya, N. Z., and Y. Fujii. "A Proposed Framework to Estimate Pillar Strength in Room-And-Pillar Hard Rock Mines." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0116.

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ABSTRACT: Pillar strength determination is a fundamental aspect of room-and-pillar mine design. Pillars are left between excavated rooms to maintain stability by restraining the hanging wall. In a typical mining environment, pillars of different rock mass conditions and geological characteristics are cut, resulting in variations in pillar strength. This is because pillars are highly anisotropic and cannot always be formed according to design dimensions. Consequently, unstable pillars may be present, requiring site-specific calibrated methods for ongoing monitoring and strength estimation. Pill
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Belzer, B. E., and N. Gupta. "Three-Dimensional Salt-Pillar Equations and Their Applications to Industry." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0566.

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ABSTRACT Salt-pillar equations were developed over 25 years ago to assist with mine design. Pillar design is important for salt mines because the pillar size influences convergence of underground drifts with equipment clearance and headroom constraints, subsidence at the surface, and functional life of ground support. Current methodologies for salt-pillar design include using numerical-modeling techniques and salt-pillar-design equations as a method for estimating stresses and deformation rates. In this paper, three-dimensional simulations of square and rectangular salt pillars were performed,
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Ladinig, T., H. Wagner, and M. Grynienko. "Need and Design of a Field Test to Improve the Knowledge on Strength and Behavior of Massive Hard-Rock Pillars in Deep Mines." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0400.

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ABSTRACT Pillars have a central role in an active stress management approach, which has been proposed for the extraction of thick tabular and massive hard-rock mineral deposits. A mining method making use of this approach, is the novel raise caving mining method. Initially, the pillars have width-to-height ratios of 5 to 10. In the course of stope extraction, the dimensions of the pillars are altered, namely the height of pillars is increased and the width of pillars may be decreased. Consequently, the pillar strength is reduced and pillar crushing is triggered. A stable crushing process must
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Cammarata, G., T. A. Bui, and S. Brasile. "Numerical Analysis for the Design Assessment of Underground Mine Operations." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-1083.

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ABSTRACT: In the design of room-and-pillar mine systems, the loading capacity of the pillar is equally as important as the stability of the roof and walls to preserve safe working conditions and commercial ore productivity. The optimized design of pillars requires an assessment of the generated stress and available strength which depend on the mechanical behaviour of the rock mass. Moreover, the actual stress level imposed on a pillar depends also on the location of the pillars within the mine layout. These aspects cannot be properly considered by employing empirical and simplified approaches,
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Srinivasan, Sriram, and H. Onan Demirel. "Quantifying Vision Obscuration of A-Pillar Concept Variants Using Digital Human Modeling." In ASME 2022 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/detc2022-89781.

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Abstract Pillars in modern vehicles provide structural integrity by surrounding the greenhouse (windshield, rear, and side windows) and joining the roof with the frame. The forward-most roof support posts, A-pillars, straddle the windshield and have an essential design impact that affects the aerodynamic performance, roof crush, and frontal impact performance. Although they protect the driver and passengers, A-pillars also create obstruction zones by limiting drivers’ forward field of view (FOV). Therefore, the reduced forward vision caused by the obstruction zones leads to unforeseeable accid
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Wu, Jiang-Yu, Mei-Mei Feng, and Kun Tang. "Strength analysis of six-pillar hydraulic support base." In 2016 International Conference on Mechanics and Architectural Design. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813149021_0008.

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Cammarata, G., D. Elmo, and S. Brasile. "Assessment of Empirical Methods-Based Pillar Strength Estimation Through Numerical Modelling." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0334.

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ABSTRACT Over the past decades, many pillar strength relationships have been formulated from empirical observation of stable and failed case histories. These empirically derived equations are still widely adopted as a general technique for estimating pillar strength and simplified methods for evaluating the pillar stress (i.e., tributary area method). These generally accepted assessment methods might result in non-fully optimized solutions in terms of safe and, at the same time, economical designs. Numerical methods provide a better alternative to evaluate the mechanical behaviour of pillars i
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Moyo, S., T. Chikande, T. Zvarivadza, et al. "Investigation into the Rock Mass Response to Pillar Extraction in a Hard Rock Tabular Mine." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-1011.

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ABSTRACT: Historically, secondary pillar extraction has been successful in the soft rock mining environment. Several hard rock platinum mines have conducted selective remnant extraction with backfill as a regional support measure. A hard rock tabular platinum mine instigated the extraction within a non-yield pillar layout without backfill support. The mine is situated within the Great Dyke of Zimbabwe in a shallow depth environment of approximately 100m. Pillar extraction without backfill in a hard rock mine is a novel mining method. A study was carried out to make a quantitative comparison be
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Reports on the topic "Support pillar"

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Blanc, Isabelle, Roberto Di Cosmo, Mathieu Giraud, et al. Highlights of the "Software Pillar of Open Science" workshop. Ministère de l’enseignement supérieur et de la recherche, 2024. http://dx.doi.org/10.52949/53.

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Software has become essential in all areas of scientific research, both as a tool for research, a product of research, and a research object in itself. In the quest to make research results reproducible, and pass knowledge to future generations, we must preserve three main pillars: the research articles that describe the results, the data sets used or produced, and the software source code that embodies the logic of the data transformation. Indeed, the preservation of software source code is as essential as preserving research articles and data sets. The main aim of this in-person half-day eve
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Atuesta, Laura, Agustina Schijman, Salvatore Schiavo-Campo, and Cheryl Gray. IDB-9: Combating Fraud and Corruption. Inter-American Development Bank, 2013. http://dx.doi.org/10.18235/0010514.

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This report reviews the implementation of the measures the Inter-American Development Bank (IDB or Bank) has taken in the three strategic pillars of the anticorruption agenda: (i) strengthen the prevention of fraud and corruption in Bank operations; (ii) support transparency and anticorruption efforts in the Region; and (iii) ensure high ethical standards for Bank staff. The Bank has taken several actions in the first and third pillars. To help prevent corruption, the IDB has eliminated the overlap of policy and investigations by creating an Anticorruption Policy Committee and giving more inde
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Ziegler, Lauren, and Crystal Green. Implement at Scale: An Agenda for Education Innovation Implementation Research. HundrED, 2023. http://dx.doi.org/10.58261/bqos4236.

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This paper introduces a research agenda on the implementation of education innovations in primary and secondary schools around the world. We are especially interested in how innovations are implemented atscale and the role of implementation actors in this process. To address the need for a greater understanding of and focus on implementation, we launched the HundrED Implementation Centre forEducation Innovation in February 2023. The new Centre will support the spread of education innovation through four pillars of research, practitioner support, practical methodologies and systems leadership.
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Martinez Gómez, Cecilia Beatriz, María Caridad Araujo, Pablo Ibarrarán, Carina Lipica, Marco Stampini, and Romina Tomé. IDB’s Work on Care Systems: An Interactive Menu. Inter-American Development Bank, 2025. https://doi.org/10.18235/0013457.

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Care is essential work and a fundamental pillar for economic growth and well-being. Everyone will require care at some point in their life. Care includes healthcare, household care, care for dependent people and caregivers, and self-care. The following interactive menu of care solutions features some of the latest programs and projects in which the IDB has supported governments in Latin America and the Caribbean. Each category shows the breadth of the work covering different dimensions of care systems, such as governance and financing, services, cultural change, data, regulations, training, qu
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Jayme, Angeli, Imad Al-Qadi, Nadim Hamad, et al. Smart Mobility Blueprint for Illinois. Illinois Center for Transportation, 2023. http://dx.doi.org/10.36501/0197-9191/23-007.

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Connected, automated, shared, and electric (CASE) technologies have invoked Mobility 4.0—a connected, digitized, multimodal, and autonomous system of systems. This project established a flexible and adaptable blueprint that would streamline multidisciplinary and multistakeholder efforts as well as leverage available resources to prepare the Illinois Department of Transportation and other transportation agencies. Illinois has several strengths that make it an attractive location for CASE technology companies, including a talent pool from top-ranked universities, well-developed transportation in
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Ripoll, Santiago, Jennifer Cole, Olivia Tulloch, Megan Schmidt-Sane, and Tabitha Hrynick. SSHAP: 6 Ways to Incorporate Social Context and Trust in Infodemic Management. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/sshap.2021.001.

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Information epidemiology or infodemiology is the study of infodemics - defined by the World Health Organization as an overabundance of information, some accurate and some not, that occurs during a pandemic or other significant event that may impact public health. Infodemic management is the practice of infodemiology and may sit within the risk communication and community engagement (RCCE) pillar of a public health response. However, it is relevant to all aspects of preparedness and response, including the development and evaluation of interventions. Social scientists have much to contribute to
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Ripoll, Santiago, Jennifer Cole, Olivia Tulloch, Megan Schmidt-Sane, and Tabitha Hrynick. SSHAP: 6 Ways to Incorporate Social Context and Trust in Infodemic Management. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/sshap.2021.001.

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Information epidemiology or infodemiology is the study of infodemics - defined by the World Health Organization as an overabundance of information, some accurate and some not, that occurs during a pandemic or other significant event that may impact public health. Infodemic management is the practice of infodemiology and may sit within the risk communication and community engagement (RCCE) pillar of a public health response. However, it is relevant to all aspects of preparedness and response, including the development and evaluation of interventions. Social scientists have much to contribute to
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Schmidt-Sane, Megan, Tabitha Hrynick, Jennifer Cole, Santiago Ripoll, and Olivia Tulloch. SSHAP: 6 Ways to Incorporate Social Context and Trust in Infodemic Management. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/sshap.2021.009.

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Information epidemiology or infodemiology is the study of infodemics - defined by the World Health Organization as an overabundance of information, some accurate and some not, that occurs during a pandemic or other significant event that may impact public health. Infodemic management is the practice of infodemiology and may sit within the risk communication and community engagement (RCCE) pillar of a public health response. However, it is relevant to all aspects of preparedness and response, including the development and evaluation of interventions. Social scientists have much to contribute to
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Sillah, Bukhari. Country Diagnostic Study – United Arab Emirates. Islamic Development Bank Institute, 2021. http://dx.doi.org/10.55780/rp21002.

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The Country Diagnostic Study (CDS) for United Arab Emirates (U.A.E.) uses the Hausmann-Rodrik-Velasco growth diagnostics model to identify the binding constraints being faced in its quest for higher economic growth and make recommendations to relax these constraints. Hence, the findings of the CDS can help the Islamic Development Bank in identifying areas where it can have a greater impact and provide an evidence basis to support the development of the Member Country Partnership Strategy. U.A.E.’s development journey has been painstakingly crafted over time, with the latest being Vision 2021.
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Hartanto, Michelle, Gishi Sashidharan, Lisa Dunn, Nicolas Aldridge, and Liz Lees-Deutsch. Exemplar Case Studies: Nursing & Midwifery Excellence in the Midlands. Coventry University, 2025. https://doi.org/10.18552/chc/2025/0002.

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We are proud to be working in partnership with the National CNO Policy and Strategy Unit at NHS England to support national Excellence ambitions, establishing a collective leadership model and ensuring evidence-based approaches in the development of positive practice environments. Essentially, this work builds on the learning from the CNO Shared Governance: Collective Leadership programme and underpins the delivery of the CNO for England’s Excellence programme. In 2023 we formed the Midlands Nursing and Midwifery Excellence Network to establish a Midlands-wide collective leadership model with
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