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Systems methods and real world practice – Paul Jowitt’s pilgrimage in his writings for this journal Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-03-26 David Elms
Published in Civil Engineering and Environmental Systems (Ahead of Print, 2024)
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Analysis of the systems nature of safety incidents in the construction industry from a post-2010 literature review Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-02-11 Lingna Lin, Jiacheng Zhong
This review aims to develop a comprehensive understanding of multi-system and multi-dimensional characteristics of learning from incidents (LFI) and improve the ability to learn from incidents effe...
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Systems analysis of metropolitan-scale reuse with effects on water supply resilience and water quality Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-02-11 Erik Porse
Water reuse with Advanced Water Treatment (AWT) is increasingly appealing for urban areas seeking water supply reliability. In cities facing water scarcity, how can large-scale reuse support reliab...
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Prediction of geological composition using recurrent neural networks and shield tunnel boring machine data Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-02-11 Mohammad Pourhomayoun, Mehran Mazari, Luis Fisher, Kabir Nagrecha, Tonatiuh Rodriguez-Nikl, Michael Mooney, Ehsan Alavi
Tunnel Boring Machines (TBMs) are large-scale excavation tools used commonly in transportation tunnel construction. While tunnelling, TBMs generate data at large scales, often at levels difficult t...
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The safety climate, hierarchical levels and resilience assessment in transport and mining companies Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-02-06 Abdulghder Mohamed Alsharif, Vesna Spasojević Brkić, Mirjana Misita, Ivan Mihajlović, Aleksandar Brkić, Neda Papić, Martina Perišić
Transport and mining companies are vulnerable to a variety of hazards, and this paper offers a novel conceptual framework for organisational resilience assessment at different organisational levels...
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Correction Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24
Published in Civil Engineering and Environmental Systems (Vol. 40, No. 3, 2023)
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Locomotive engineer safety with single manning operation Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 David Elms
The paper is about practice, rather than research, and shows how a complex systems engineering project was done. The project was unique, involving a problem never before investigated, namely, to fi...
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Systems perspectives: clarity through examples Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 Priyan Dias
Published in Civil Engineering and Environmental Systems (Vol. 40, No. 3, 2023)
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Safer and resilient schools in seismic regions: a systems perspective Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 Jitendra Agarwal, Rishi Parajuli, Maria Xanthou, Anastasios Sextos
Sustainability of school infrastructure and resilience of educational communities to natural hazards are of paramount importance to provide the safety and protection against various natural and man...
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Why dams fail: a systems perspective and case study Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 Irfan A. Alvi, Isabelle S. Alvi
While dam failure is a physical event with physical consequences, dams do not fail simply because something ‘went wrong’ physically. The physical behaviour of dams obediently follows physical laws,...
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Practical ethical frameworks for civil engineering and environmental systems Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 Tonatiuh Rodriguez-Nikl, Kory P. Schaff
Ethics is receiving increased emphasis in civil and environmental engineering. However, despite the proliferation of college textbooks and courses encouraging ethical reasoning, engineers in practi...
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Using systems-thinking approaches to evaluate impacts to essential services in fragile contexts: a case study on Venezuela Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2024-01-24 Emma Houiellebecq, Kristen MacAskill, Federico Sittaro
The global risk landscape is evolving, leading to more protracted and complex crises. The eventual degradation of critical infrastructure in such contexts often results in insufficient access to es...
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Improving urban water management and building water supply resilience in the city of Harare, Zimbabwe – a systems view Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2023-07-17 A. Brooke, R.A. Fenner
Starting from a resilience assessment of Harare's water supply, the system interactions of the city’s water management arrangements are explored through a series of causal loop diagrams. These are ...
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Some reflections on maxEnt Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2023-07-13 Alan Jessop
ABSTRACT Two different applications of Jaynes’ maximum entropy framework, maxEnt, are given. The purpose is to show how maxEnt stimulates questions about the relations between the formal structure of the maxEnt model and the practical, possibly political, considerations which arise when deciding the objective function and the constraints. While these points do not lead to computationally complicated
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The role of falsification in the validation of numerical models Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2023-05-16 D. Forcellini
ABSTRACT Numerical modelling consists of simulating with informatic technologies the conditions of experiments that would require big resources in terms of time and costs. For example, structural engineering considers numerical models of structures because otherwise it would be too expensive to build and destroy a building to study its behaviour under collapse conditions. In this regard, numerical
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Social vulnerability assessment for an industrial city in Natech accidents: A Bayesian network approach Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2023-05-11 Mei Cai, Yu Gao, Chen Yang, Jingmei Xiao, Qiuhan Wang
ABSTRACT China is a large industrial country where tropical meteorological disasters occur frequently. Therefore, natural-technological (Natech) risk cannot be ignored. Assessing the social vulnerability of an industrial city prone to tropical meteorological disaster-induced Natechs is urgent. To analyze the social vulnerability of such cities, we propose a Bayesian network (BN)-based method to model
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Towards optimised decisions for resource and carbon-efficient structural design Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2023-04-17 Ramon Hingorani, Jochen Köhler
ABSTRACT Engineering structures consume a significant fraction of resources and contribute to greenhouse gas emissions worldwide. A conducted literature review shows that most existing approaches to improve the environmental performance of structures concern the adoption of decisions during the conceptual design stage (e.g. on the choice of material), often in connection with life cycle assessment
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Systems approaches to the use of underground space in urban environments Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-12-15 Tonatiuh Rodriguez-Nikl
Published in Civil Engineering and Environmental Systems (Vol. 39, No. 4, 2022)
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Apocalypse? No! The need for systems engineering thinking to address global challenges and avert global crises Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 Paul Jowitt, Jon Side
Published in Civil Engineering and Environmental Systems (Vol. 39, No. 3, 2022)
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Systems thinking for water security Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 Xanthe K. Polaine, Richard Dawson, Claire L. Walsh, Jaime Amezaga, Miguel Peña-Varón, Cindy Lee, Sandhya Rao
ABSTRACT Water security covers a wide range of issues and risks to people, the natural and built environment, the economy, and interactions between these. This breadth creates an interconnected complexity and the potential for perceived intractability. Tackling water security meaningfully therefore requires a judgement in balancing the holistic nature of water security with reductionist understanding
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A hazard-agnostic model for unpacking systemic impacts in urban systems Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 Lindsay Beevers, Kerri McClymont, Melissa Bedinger
ABSTRACT To add to the engineer’s toolkit for the twenty-first century challenges, we demonstrate a novel systems model for understanding urban impacts. The model captures interdependencies between different interconnected systems (or sectors, e.g. recreational services or public healthcare) in cities, from the tangible (e.g. resources such as roads) to the more intangible (e.g. outcomes such as the
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Avoiding apocalypse: clarity and collaboration Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 David Elms
ABSTRACT The world faces grave problems stemming from environmental issues, but apocalyptic disaster is not inevitable. The problems arise primarily from human failure to understand the issues and act collectively to deal with them. Any solution must therefore address human factors. This paper considers two: a lack of clarity in thought, aims and action, and the destructive nature of unconstrained
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It’s not just the climate that needs fixing Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 Jonathan Side
ABSTRACT In a world which is ‘hanging by a thread', or conversely ‘teetering on the brink', where ‘humanity stands at the precipice', systems thinking can offer clarity when confronted with the unwitting distraction of cliché riddled aphorisms. By the examination of the earth system, its externalities in relation to economic development and perspectives of our relationship to the global commons within
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Getting into shape and avoiding the apocalypse Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-21 Paul W. Jowitt
ABSTRACT We are in the Systems Age of development and facing a number of related critical issues at a range of temporal and physical scales. These now threaten the world’s environment and the human race’s place in it. This paper discusses the array of problems involved and the need to tackle them at the systems level, to identify sustainable solutions and resilience measures to avoid large scale undesirable
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Human settlements arranged as networks of regenerative villages with nature-based infrastructure ecosystems Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-10-01 Steven Liaros, Nilmini De Silva
ABSTRACT Civil infrastructures have historically been developed as highly centralised, extensive, and complicated systems. Electricity, water, buildings, transport networks, and communication systems are each delivered separately. Recent advancements in the development of energy micro-grids have opened the possibility of localised, intensive, and complex, nature-based infrastructure ecosystems. Designed
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Local public right of way for surface and subsurface resource integration Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-09-16 Terri Matthews, Debra F. Laefer
ABSTRACT A utilidor is a ‘system of systems’ infrastructural solution to the ‘subsurface spaghetti’ problem resulting from direct burial of utility transmission infrastructure beneath the public right of way (PROW). The transition from direct burial to utilidors in older, dense American cities has generally not occurred, despite the potential to increase system performance in a long-term, financially
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Behavioural science applied to risk-based decision processes: a case study for earthquake prone buildings in New Zealand Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-07-08 Richard J. Ball, Emma E. Hudson-Doyle, Michael Nuth, W. John Hopkins, Dave Brunsdon, Charlotte O. Brown
ABSTRACT Policy and technical guidance are only as good as their implementation. Often well-meaning legislation has unintended consequences, as individuals and organisations overlay their own risk perceptions and understanding to an issue. This paper illustrates how behavioural science can be applied to risk-based engineering decisions to improve decision outcomes. It is framed around an analysis of
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Participatory modelling: precedents and prospects for civil engineering Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-07-08 Bryann Avendano-Uribe, M. Milke, D. Castillo-Brieva
ABSTRACT This work provides an analysis for the civil engineering community of the practice of participatory modelling (PM), reviewing the advances that environmental researchers and practitioners have made over 20 years, providing key references, case studies, and practical guidelines. Past consultation methods have proven inadequate to build trust with communities, and have led to development of
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Vibration performance of timber-concrete composite floor section –verification and validation of analytical and numerical results based on experimental data Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-06-30 Hamid Movaffaghi, Johan Pyykkö
ABSTRACT Vibration performance of a one-way simply supported timber-concrete composite (TCC) floor section has been studied using analytical as well as numerical methods. Focal points have been verification and validation of results from analytical and numerical calculations of vibration response based on experimental data. For the analytical calculations, floor bending stiffness and vibrational response
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Intelligent identification of soil and operation parameters in mechanised tunnelling by a hybrid model of artificial neural network-genetic algorithm (case study: Tabriz Metro Line 2) Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-06-30 Leila Nikakhtar, Shokrollah Zare, Hossein Mirzaei Nasirabad
ABSTRACT In this article, the ability of the artificial neural network-genetic algorithm (ANN-GA) to perform back analysis and predict maximum surface settlement in mechanised tunnelling is investigated. The required data of the ANN meta-model was generated using 150 three-dimensional finite-difference simulations. The global sensitivity analysis was performed on 19 parameters, including 17 geotechnical
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Managing disaster risk associated with critical infrastructure systems: a system-level conceptual framework for research and policy guidance Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-04-25 Rachel A. Davidson, James Kendra, Bradley Ewing, Linda K. Nozick, Kate Starbird, Zachary Cox, Maggie Leon-Corwin
ABSTRACT This paper presents a new conceptual framework of the disaster risk of critical infrastructure systems in terms of societal impacts. Much research on infrastructure reliability focuses on specific issues related to the technical system or human coping. Focusing on the end goal of infrastructure services – societal functioning – this framework offers a new way to understand how those more focused
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A simplified method for seismic assessment of unreinforced masonry buildings Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-03-28 I. Capanna, F. Di Fabio, M. Fragiacomo
ABSTRACT The paper presents a simplified vulnerability assessment method for unreinforced masonry buildings based on the evaluation of a few structural parameters, which can be determined from visual inspection and a geometry survey. The authors proposed an empirical approach with the aim to assess the in-plane vulnerability quickly by predicting the damage failure of bearing masonry walls. Field observations
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An opinion piece on the dos and don’ts of artificial intelligence in civil engineering and charting a path from data-driven analysis to causal knowledge discovery Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-03-15 M.Z. Naser, Brandon Ross
ABSTRACT Artificial intelligence (AI) has been established as a universal language for solving science and engineering problems. Despite the rise of big data, the success of AI in parallel fields, and exciting works published at this frontier, some in the civil engineering community tie AI to a mystique stigma. And yet, there is also ever-growing inertia to embrace AI fully. The mystique of AI arises
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Technological mediation and civil structure condition assessment: the case of vision-based systems Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2022-01-27 Hans Voordijk, Rolands Kromanis
ABSTRACT This study applies the philosophy of technological mediation to understand how vision-based systems used for civil structure condition assessment transform input of images from cameras into output of structural response. The objective of this study is to understand the mediating role that a vision-based system plays between their users and properties of civil structures that are unperceivable
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Measuring the benefits of civil systems connectivity and automation – a discussion in the context of highway transport Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-19 Samuel Labi
ABSTRACT Connectivity refers to the ability of civil engineering system components to transmit/receive data for making strategic, tactical and operational decisions towards enhanced efficiency, effectiveness, and lower costs to the system stakeholders. Automation is the capability of a system or its component to carry out control functions or decisions that are traditionally done by humans. As the
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CEES special issue – the body of knowledge for systems 2020 Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Blockley
(2021). CEES special issue – the body of knowledge for systems 2020. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 247-249.
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Author's reply to: David Blockley's discussion of the special issue Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David G. Carmichael
(2021). Author's reply to: David Blockley's discussion of the special issue. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 250-250.
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Reply to discussion by D. Blockley of the CEES Special Issue on the body of knowledge for CE systems engineers Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT This reply to David Blockley’s discussion addresses the issue of relevant knowledge, the need for an ability to learn, the distinction between types of system, the need to expand our understanding of uncertainty, implications for education and the incompleteness of the body of knowledge referred to in the BOK Special Issue of Civil Engineering and Environmental Systems.
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BOK and terminology Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David G. Carmichael
(2021). BOK and terminology. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 257-258.
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Response to BOK special issue discussion: ‘BOK and terminology’, by David Carmichael Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Carmichael's discussion considers whether the discipline of Civil Engineering Systems can develop, and whether such development depends on a clear and agreed terminology. The answer to the first point is ‘yes,’ but though clear and well-agreed terminology is desirable, it is not strictly necessary because the underlying issue is the need for mutual understanding of and within the discipline
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Reply to Carmichael on BOK and terminology Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Blockley
ABSTRACT The history and philosophy of the growth of engineering knowledge is under-developed – the nearest one can get is the progress of science. That history shows the falsity of Carmichael’s assertion that the absence of an agreed set of meanings for systems terms will hold-back the development of Civil Engineering Systems.
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At one with systems Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David G. Carmichael
(2021). At one with systems. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 265-268.
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Reply to discussion ‘At one with systems' by D. Carmichael: why systems education is different Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Carmichael’s discussion focusses on the education of Civil Engineering Systems practitioners, but any such aim requires a clear idea of the end product. There is an analogy between systems work and creativity. Do they rely on innate skill or can they be taught? I believe they can be taught, but the thinking processes needed require an approach radically different from the normal technique-
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Discussion on ‘A framework for a civil engineering systems BOK’ by David Carmichael Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Carmichael’s paper offers a framework for civil engineering systems work. The approach is rigorous. But equally rigorous should be the principles underlying the work, including a clear and unambiguous defining purpose and a careful attention to modelling principles. That is, a rigorous process is just as important as a rigorous framework. Suggested additions to the proposed framework are:
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Author’s reply to: David Elms’ discussion of ‘a framework for a civil engineering BOK’ Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David G. Carmichael
(2021). Author’s reply to: David Elms’ discussion of ‘a framework for a civil engineering BOK’. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 276-278.
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Discussion of ‘The systems stance’ by David Elms Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 Rod Cameron
ABSTRACT Much engineering work requires an outlook which must deal with technical detail within a wider framework of societal and environmental complexities. This calls for multiple points of view ranging from a broad context to localised detail, analogous to the use of a zoom lens. The paper ‘The Systems Stance’ provides an excellent practical way of handling complex system problems needing a range
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Response to discussion of ‘The Systems Stance’ by R. Cameron Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Addressing the process of doing systems engineering, Cameron suggests a zoom lens analogy, zooming in from a broad initial view to increasing attention to detail as the work progresses. The process requires a rigorous modelling process at all levels, with careful attention to clarity and balance and an equally careful attention to information quality.
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Discussion of ‘Practical wisdom in an age of computerisation’ by David Blockley Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT The writer agrees with the main point of the paper which is to emphasise the need for civil engineering systems engineers to have ‘practical wisdom’. Insofar as this is not clearly defined the discussion offers an example from practice where practical wisdom was lacking. Blockley’s paper lists major challenges, including computerisation. The present discussion suggests others as important
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Author’s reply to David Elms’ discussion of ‘Practical wisdom in an age of computerization' Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Blockley
(2021). Author’s reply to David Elms’ discussion of ‘Practical wisdom in an age of computerization' Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 289-291.
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Discussion of ‘A research agenda on systems approaches to infrastructure’ by Jennifer Whyte et al. Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Research focussing on urban infrastructure is much needed. The original paper reviews a number of initiatives for this. The discussion suggests possible additions such as inclusion of network theoretic ideas, a focus on the importance of clearly defined system boundaries, further developments of resilience theory, and issues related to recovery from, rather than response to, major natural
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Reply to a discussion of ‘a research agenda on systems approaches to infrastructure’ by david elms Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 Ana Mijic, Jennifer Whyte, Rupert Myers, Pangiotis Angeloudis, Michel-Alexandre Cardin, Marc Stettler, Washington Ochieng
ABSTRACT We thank Prof Elms for his insightful comments and suggestions. The paper was indeed aimed at setting the future direction for the Centre for Systems Engineering and Innovation (CSEI) at Imperial College London, with the hope that the ideas will inspire others who work in the same or similar area of research. We are pleased to see that Prof Elms enjoyed reading our paper.
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Discussion of ‘Integrating the liberal arts into the body of knowledge for civil engineering systems engineers’ by Gordon G. T. Masterton and Paul Jeffrey Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Systems engineers require breadth. Three approaches are discussed. The first is to develop a clear goal in the form of the attributes of a well-educated civil engineering systems specialist (CESS) – what such an engineer would be like. The second, complementary to the first, proposes a goal in terms of what the ideal CESS could do well as a series of tasks or actions. The third is to produce
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Authors' reply to David Elms' discussion of ‘Integrating the liberal arts into the body of knowledge for civil engineering systems engineers’ Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 Gordon G. T. Masterton
ABSTRACT The author’s reply to David Elms welcomes the supportive comments and offers a visualisation of the body of knowledge required of a systems engineer, building on the ‘T-shaped' person construct. The systems engineer requires a series of pillars of deep domain knowledge, acquired throughout a lifetime of experience, with serial capstones representing the synthesis and integration of that knowledge
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Discussion of Paul Jowitt’s paper ‘Systems and sustainability’ Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 David Elms
ABSTRACT Jowitt’s paper suggests that civil engineering systems engineers require an ethical imperative and a set of specific attributes. The ethics should include a broad understanding of value and values. Attributes of a successful systems-capable civil engineer are listed in a table stemming from an international workshop. They can be summed up in terms of ASK: Attitude, Skills and Knowledge.
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Response to Discussion by Elms on “Systems and Sustainability” Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-14 Paul Jowitt
(2021). Response to Discussion by Elms on “Systems and Sustainability”. Civil Engineering and Environmental Systems: Vol. 38, Discussions: What is The Body of Knowledge for Engineers Involved with Civil Engineering Systems? – A 2020 Vision, Guest Editors: Priyan Dias and Paul Jowitt, pp. 309-309.
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Systems thinking averts apocalypses now and in the future: why we should always look on the bright side of life Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-12-01 Mark G. Stewart
ABSTRACT Systems thinking and analysis from the civil and environmental engineering communities have been highly successful in mitigating the effects of natural and man-made hazards. Not surprisingly, the United Nations Human Development Index shows steady improvement for every nation since its implementation in 1990. The world has never been healthier, wealthier, or more educated than at the present
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Why are we not renovating more? An elaboration of the wicked problem of renovating apartment buildings Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-09-22 Rikard Sundling, Henrik Szentes
ABSTRACT A large proportion of apartment buildings in Europe were built between 1950 and 1990 and many of them are today in need of renovation due to inherently poor quality of design, a lack of subsequent maintenance and the present-day imperative of energy-efficiency. The limited extent of renovation compared with new-build projects suggests that developers find renovation unattractive. The purpose
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Connectivity of two-dimensional assemblies: trusses and roads Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-09-22 Y. Kantheepan, W. P. S. Dias
ABSTRACT The concept of ‘structural connectivity’ is introduced to assess the connectivity of structural trusses and road networks, which are examples of two-dimensional assemblies. Metrics for such connectivity, and also for identifying the least connected members and zones, are derived from an adaptation of the ‘Bristol approach’ (based on joint stiffness), Newman’s method (based on network theory)
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Optimal retrofit for a school under seismic hazard including risk assessment Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-09-19 David De-León-Escobedo, Eduardo Ismael-Hernández
ABSTRACT The paper proposes a formulation to select the optimal retrofit strategy for a damaged school under seismic hazard, by applying risk and reliability assessment techniques. The formulation considers the cost-effectiveness of alternative retrofit strategies, including failure consequences, to get adequate balance (CE: Balance is an uncountable noun) between the costs and the gains on reliability
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Quantifying system-level dependencies between connected electricity and transport infrastructure networks incorporating expert judgement Civ. Eng. Environ. Syst. (IF 1.8) Pub Date : 2021-06-21 Conrad Zorn, Raghav Pant, Scott Thacker, Lea Andreae, Asaad Y. Shamseldin
ABSTRACT Critical infrastructure systems are typically managed as isolated systems, however, past events have demonstrated that disruptions to electricity supply can initiate major social and economic impacts on dependent infrastructure. This paper investigates the role of electricity on the functioning of the New Zealand national passenger–transportation sectors, namely: airports, ferries, rail, and