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Residential satisfaction of vertical urban settlements in Hong Kong 香港垂直城市住区的居住满意度
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-12-09 DOI: 10.1108/jedt-06-2022-0323
Muizz O. Sanni-Anibire, Yusuf A. Adenle
PurposeVertical urban settlements are becoming the predominant form of contemporary urban design in response to population increase and rapid urbanization. These developments are, however, perceived to be poorly designed and incongruent with the users’ needs. The purpose of this study was to present a resident satisfaction assessment of Hong Kong’s vertical settlements.Design/methodology/approachA review of the literature was conducted on the concept of vertical urbanism, residential satisfaction and postoccupancy evaluation. Fifty performance indicators were classified into three groups including indoor environment, safety and maintenance; furniture, utilities and spaces; and privacy, appearance and city life. These indicators were used to develop a Web-based questionnaire administered to residents in the three administrative regions of Hong Kong. Ninety-eight respondents participated in the study, and the results were analyzed using the resident satisfaction index and the overall satisfaction index. A multilinear regression analysis was also made to develop a model describing the most relevant performance indicators for determining the overall residential satisfaction.FindingsThe results revealed that residents expressed dissatisfaction with performance indicators, including “level of noise generated from outside the building (neighboring buildings, traffic, noise, etc.),” “variation and stability of indoor temperature,” “sustainable design of the building’s environment (cyclability, walkability, electric charging stations, etc.),” “availability and capacity of car parking,” “size and adequacy of spaces for social interaction” and “considerations for occupants with special needs (disabled, aged people, children, occupants with a medical condition, etc.).” The results also revealed that some indicators such as the maintenance of elevators, adequate interior space and surrounding areas were considered as significantly influencing residential satisfaction. Similarly, the building height and wind-induced motion were not significantly influencing residential satisfaction. The results also revealed that a multilinear Regression model with five variables and an adjusted R2 value of 93% could estimate the overall residential satisfaction.Originality/valueThe concept of vertical urban design is the new paradigm in the shaping of future cities. The originality of this study is its adoption of post-occupancy evaluation to assess occupants’ residential satisfaction. As well as the determination of factors that should inform the planning, design and management of vertical urban settlements. Thus, the study has significant implications for research in vertical urban development, as well as the professional practice of building and urban planners, designers and managers.
为了应对人口增长和快速城市化,城市住区正成为当代城市设计的主要形式。然而,这些发展被认为设计得很差,与用户的需要不一致。本研究的目的是对香港的垂直住区进行居民满意度评估。设计/方法/方法对垂直城市主义、居住满意度和入住后评价的概念进行了文献回顾。50项绩效指标分为室内环境、安全和维护三大类;家具、公用设施和空间;以及隐私、外貌和城市生活。这些指标被用来编制一份基于网络的调查问卷,调查对象是香港三个行政区的居民。98名受访者参与了这项研究,并使用居民满意度指数和整体满意度指数对结果进行了分析。我们还进行了多元线性回归分析,以建立一个模型来描述最相关的绩效指标,以确定总体住宅满意度。结果显示,居民对绩效指标表示不满,包括“建筑物外部产生的噪音水平(邻近建筑物,交通,噪音等)”,“室内温度的变化和稳定性”,“建筑物环境的可持续设计(可骑车性,可步行性,充电站等)”,“停车场的可用性和容量”,以及“建筑环境的稳定性”。“社会互动空间的大小和充足性”和“对有特殊需要的居住者(残疾人、老年人、儿童、有医疗条件的居住者等)的考虑”。调查结果还显示,电梯维修保养、室内空间充足和周边面积等指标被认为对居住满意度有显著影响。同样,建筑高度和风致运动对居住满意度的影响也不显著。结果还表明,采用五变量的多元线性回归模型,调整后的R2值为93%,可以估计整体居住满意度。垂直城市设计的概念是塑造未来城市的新范式。本研究的创新之处在于采用入住后评价的方法来评估居住者的居住满意度。以及确定应为垂直城市住区的规划、设计和管理提供信息的因素。因此,该研究对垂直城市发展的研究,以及建筑和城市规划师、设计师和管理者的专业实践具有重要意义。
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引用次数: 3
Risk resources management influence on public–private partnership risk management in construction industry. Confirmatory factor analysis approach 风险资源管理对建筑业公私合作风险管理的影响。验证性因子分析法
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-12-08 DOI: 10.1108/jedt-12-2021-0699
Timothy Adu Gyamfi, C. Aigbavboa, W. Thwala
PurposeConstruction organisations cannot underestimate the improvement in public–private partnership (PPP) projects’ implementation. At the same time, construction organisations cannot overlook the risk arising from engaging in PPP construction projects. Hence, this study aims to establish the influence of risk resource management (RRM) in managing PPP risk in the construction industry in Ghana.Design/methodology/approachThe researchers adopted qualitative and quantitative research methods to achieve the aim of the study, in which Delphi questions and a close-ended questionnaire were developed. A total of 650 construction specialists, including procurement officers, consultants, project managers, quantity surveyors, site engineers and planning officers were chosen using random and purposive sampling techniques. Recovered data were analysed using descriptive statistics and confirmatory factor analysis (CFA). The CFA maximum likelihood estimation extractor compresses 19 variables into 3 pattern matrices.FindingsThe results of the study revealed three factors that measure RRM in Ghana’s PPP construction industry, including financial resource management which was influenced by communicating the budget to project team members and project partners understanding the budget, and material resource management which was influenced by the provision of materials transportation and provision of delivery programs and labour resource management which was impacted by a commitment to pay social security and taxes and provision of good salaries, to address RRM in PPP construction organisations.Research limitations/implicationsTo incessantly improve the PPP risk management (RM) in construction through RRM, there should be a strong liaison between the universities, government agencies and the construction industry, and such collaboration will assist the industry to obtain first-hand information regarding the study findings and how they can be implemented to help the development of RM in the construction industry. This study is limited to Ghana and CFA and further study should explore structural equation model to determine the structure and measurement model of the risk resource variables.Originality/valueThe study may be valuable to industry stakeholders looking for new approaches to improve RM in their construction activities, particularly in PPP projects. Also, to assist reduce PPP risk, construction companies should use RRM in their organisations.
建筑组织不能低估公私合作(PPP)项目实施的改善。与此同时,建筑机构也不能忽视参与PPP建设项目所带来的风险。因此,本研究旨在建立风险资源管理(RRM)在加纳建筑业PPP风险管理中的影响。设计/方法/方法为了达到研究目的,研究者采用了定性和定量的研究方法,其中设计了德尔菲问题和封闭式问卷。采用随机和有目的的抽样技术,共选出650名建筑专家,包括采购干事、顾问、项目经理、工料测量师、现场工程师和规划干事。恢复的数据采用描述性统计和验证性因子分析(CFA)进行分析。CFA最大似然估计提取器将19个变量压缩为3个模式矩阵。研究结果揭示了衡量加纳PPP建筑行业RRM的三个因素,包括财务资源管理,财务资源管理受向项目团队成员和项目合作伙伴传达预算和理解预算的影响;材料资源管理(受提供材料运输和提供交付计划的影响)和劳动力资源管理(受支付社会保障和税收的承诺以及提供良好工资的影响),以解决PPP建筑组织中的RRM问题。研究的局限/启示要通过风险管理不断改善建筑业的PPP风险管理,大学、政府机构和建造业之间应该有紧密的联系,这种合作将有助于业界获得有关研究结果的第一手资料,以及如何实施这些研究结果,以帮助建造业发展风险管理。本研究仅限于加纳和CFA,进一步研究应探索结构方程模型,确定风险资源变量的结构和测量模型。独创性/价值该研究可能对寻找新方法以改善建筑活动中的风险管理的行业利益相关者有价值,特别是在PPP项目中。此外,为了帮助降低PPP风险,建筑公司应该在其组织中使用RRM。
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引用次数: 1
Assessing the competencies of construction supervisors in providing work-based training components for construction labour – Sri Lankan perspective 评估施工监督员在为建筑工人提供基于工作的培训方面的能力——斯里兰卡的观点
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-12-08 DOI: 10.1108/jedt-07-2022-0343
K. Manoharan, P. Dissanayake, C. Pathirana, M. Deegahawature, Renuka Silva
PurposeStudies highlight that poor labour supervision and inadequate labour training facilities are the primary factors that result in labour skill shortages and productivity-related challenges among construction firms. This study aims to assess the construction supervisors’ abilities in providing work-based training elements and evaluating labour skills in construction.Design/methodology/approachA construction supervisory training programme was newly designed with a set of labour training exercises using comprehensive approaches. A total of 64 construction supervisors were trained to deliver the labour training components for more than 250 labourers working on 23 construction projects in Sri Lanka. The supervisors’ competencies were assessed using a detailed marking guide developed through expert discussions and literature reviews.FindingsThe results show the detailed cross-section of a wide range of competencies of the construction supervisors in providing labour training elements with the levels of standards/descriptions. The generalisability of the study applications and the reliability of the results were ensured using statistical tests and expert reviews. The findings further describe the impacts of the well-improved competencies of construction supervisors on labour working patterns and work outputs.Research limitations/implicationsThough the study findings were limited to the Sri Lankan construction sector, the study applications can have a considerable impact on the current/future practices of the construction sector in developing countries as well as other developing industries.Social implicationsThe study outcomes may contribute to a rapid increase in the number of construction supervisors becoming certified assessors of National Vocational Qualifications up to certain levels. This paper describes the further extensive implications and future scopes of the study elaborately.Originality/valueThe study adds new characteristics and values to construction supervision practices that can be remarkable in achieving higher levels of performance and productivity in labour operations. Importantly, the study contributes to adorning the job role of construction supervisors with the title of “labour training expert”.
研究强调,劳动监督不力和劳动培训设施不足是导致建筑公司劳动力技能短缺和生产力相关挑战的主要因素。本研究旨在评估建筑监理在提供以工作为本的训练要素及评估建筑工程劳工技能方面的能力。设计/方法/方法我们新设计了一个建筑监督训练方案,其中包括一套采用综合方法的劳工训练练习。总共有64名建筑监督员接受了培训,以便为斯里兰卡23个建筑项目的250多名工人提供劳工培训内容。通过专家讨论和文献综述制定了详细的评分指南,对主管的能力进行了评估。研究结果显示了建筑监理人员在提供具有标准/描述水平的劳动培训要素方面的广泛能力的详细横截面。通过统计检验和专家评审,确保了研究应用的普遍性和结果的可靠性。研究结果进一步描述了建筑监理人员良好的能力对劳动工作模式和工作产出的影响。虽然研究结果仅限于斯里兰卡建筑部门,但研究应用可以对发展中国家建筑部门以及其他发展中行业的当前/未来实践产生相当大的影响。社会意义研究结果可能有助于快速增加建筑监理成为国家职业资格认证评估员达到一定水平。本文详细描述了进一步广泛的影响和未来的研究范围。独创性/价值本研究为建筑监理实践增添了新的特点和价值,可以显著提高劳动作业的绩效和生产力水平。重要的是,该研究有助于为施工监理人员的工作角色披上“劳动培训专家”的外衣。
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引用次数: 0
Design creativity in Industry 4.0: Gravity Sketch and 3D printing in a Luminaire design project 工业4.0中的设计创意:灯具设计项目中的重力素描和3D打印
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-12-08 DOI: 10.1108/jedt-01-2022-0053
Hoa Vo
PurposeThis study aims to explore the impact of experiencing virtual reality (VR) and three-dimensional (3D) printing during the design process on the creativity of interior design students in a luminaire design project.Design/methodology/approachThis study used the case-study approach within the context of a nine-week luminaire design project. Collected data included self-reported interest and engagement of students from a Qualtrics questionnaire and the ratings of their creativity via the Creative Product Semantic Scale (CPSS) with two judges.FindingsDescriptive statistics from the Qualtrics questionnaire indicated an overall high level of student interest and engagement with the VR and 3D printing learning experience. Paired t-tests from CPSS ratings of the two judges showed a moderate increase in novelty and a significant increase in style with the introduction of VR and 3D printing technologies, respectively.Research limitations/implicationsSpearman’s correlations (rho) showed no statistical evidence for the relationships between CPSS ratings for creativity and students’ self-reported interest and engagement in VR and 3D printing learning experience.Practical implicationsAmple access time to VR technology and sufficient control over the 3D printing process are important for effective applications of Industry 4.0 technologies in organizations.Social implicationsThis study dissected the confounding variables in its results as practical considerations for intergrading VR and 3D printing technologies for organizations in Industry 4.0.Originality/valueThis study acknowledged VR and 3D printing technologies as simulants for interest and engagement, which benefit creativity.
本研究旨在探讨室内设计专业学生在灯具设计项目中,在设计过程中体验虚拟现实(VR)和三维(3D)打印对其创造力的影响。设计/方法/方法本研究在一个为期九周的灯具设计项目的背景下使用了案例研究法。收集到的数据包括学生通过qualics问卷自述的兴趣和参与程度,以及两名评委通过创意产品语义量表(CPSS)对他们的创造力进行评分。调查结果:质量调查问卷的描述性统计数据表明,学生对VR和3D打印学习体验的兴趣和参与度总体较高。来自两位评委的CPSS评分的配对t检验显示,随着VR和3D打印技术的引入,他们的新颖性和风格分别有了适度的提高。研究局限性/意义斯皮尔曼相关性(rho)显示,CPSS对创造力的评分与学生自我报告的VR和3D打印学习体验的兴趣和参与之间没有统计证据。对VR技术的采样访问时间和对3D打印过程的充分控制对于工业4.0技术在组织中的有效应用非常重要。社会影响本研究分析了其结果中的混杂变量,作为工业4.0组织整合VR和3D打印技术的实际考虑因素。原创性/价值这项研究承认VR和3D打印技术是兴趣和参与的模拟,有利于创造力。
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引用次数: 2
Evaluating the effects of indoor air quality on teacher performance using artificial neural network 利用人工神经网络评价室内空气质量对教师绩效的影响
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-30 DOI: 10.1108/jedt-07-2021-0372
Hamdan Alzahrani, M. Arif, A. Kaushik, M. Rana, H. Aburas
PurposeA building's Indoor Air Quality (IAQ) has a direct impact on the health and productivity on its occupants. Understanding the effects of IAQ in educational buildings is essential in both the design and construction phases for decision-makers. The purpose of this paper is to outline the impact air quality has on occupants' performance, especially teachers and students in educational settings.Design/methodology/approachThis study aims to evaluate the effects of IAQ on teachers' performances and to deliver air quality requirements to building information modelling-led school projects. The methodology of the research approach used a quasi-experiment through questionnaire surveys and physical measurements of indoor air parameters to associate correlation and deduction. A technical college building in Saudi Arabia was used for the case study. The study developed an artificial neural network (ANN) model to define and predict relationships between teachers' performance and IAQ.FindingsThis paper contains a detailed investigation into the impact of IAQ via direct parameters (relative humidity, ventilation rates and carbon dioxide) on teacher performance. Research findings indicated an optimal relative humidity with 65%, ranging between 650 to 750 ppm of CO2, and 0.4 m/s ventilation rate. This ratio is considered optimum for both comfort and performanceOriginality/valueThis paper focuses on teacher performance in Saudi Arabia and used ANN to define and predict the relationship between performance and IAQ. There are few studies that focus on teacher performance in Saudi Arabia and very few that use ANN in data analysis.
目的建筑物的室内空气质量(IAQ)直接影响居住者的健康和生产力。对于决策者来说,了解室内空气质量在教育建筑中的影响在设计和施工阶段都至关重要。本文的目的是概述空气质量对居住者表现的影响,尤其是教育环境中的教师和学生。设计/方法/方法本研究旨在评估室内空气质量对教师表现的影响,并为建筑信息建模主导的学校项目提供空气质量要求。研究方法采用准实验的方法,通过问卷调查和室内空气参数的物理测量来关联相关性和推断。案例研究使用了沙特阿拉伯的一所技术学院大楼。该研究开发了一个人工神经网络(ANN)模型来定义和预测教师绩效和IAQ之间的关系。研究结果本文通过直接参数(相对湿度、通风率和二氧化碳)详细调查了室内空气质量对教师表现的影响。研究结果表明,最佳相对湿度为65%,二氧化碳含量在650至750ppm之间,通风速度为0.4m/s。这一比例被认为是舒适度和表现的最佳比例原创/价值本文关注沙特阿拉伯的教师表现,并使用人工神经网络来定义和预测表现与IAQ之间的关系。很少有研究关注沙特阿拉伯的教师表现,也很少有研究在数据分析中使用人工神经网络。
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引用次数: 1
The use of alternative building technologies as a sustainable affordable housing solution: perspectives from South Africa 使用替代建筑技术作为可持续的经济适用房解决方案:来自南非的观点
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-14 DOI: 10.1108/jedt-05-2022-0257
Johnson Adetooto, A. Windapo, Francesco Pomponi
PurposeThis study aims to evaluate the perception of the local experts and end users on the drivers, barriers and strategies to the use of alternative building technologies (ABTs), with a focus on sandbag building technologies (SBTs) in the provision of sustainable housing in South Africa towards improving the public's understanding of SBTs.Design/methodology/approachThis research adopted a qualitative approach that used focus group meetings as the primary data collection method for this study. This study's focus group participants comprised ABT experts and end users of ABT houses in South Africa who were selected using a convenient sampling technique. The data were recorded, transcribed verbatim and analysed using NVivo 11 software.FindingsThis study found that the perceived drivers to using ABTs such as SBT comprise sustainability, affordability, job creation potentials, fire-resistant and earthquake resistance. This study revealed strategies for the SBTs, including awareness, building sandbag prototypes across cities and training.Practical implicationsThis study's findings have practical implications for the practice and praxis of ABT implementation and uptake in South Africa. This study provides a framework for broadening the worldwide understanding of use and uptake of SBTs to provide sustainable and affordable housing.Originality/valueThis study adds significantly to the limited body of knowledge on ABTs, focusing on sandbag houses. Consequently, the findings provide policymakers with information on the expert and end-user perspectives on the barriers and strategies to using ABTs.
本研究旨在评估当地专家和最终用户对使用替代建筑技术(ABTs)的驱动因素、障碍和策略的看法,重点是沙袋建筑技术(sbt)在南非提供可持续住房方面的应用,以提高公众对sbt的理解。设计/方法/方法本研究采用定性方法,使用焦点小组会议作为本研究的主要数据收集方法。本研究的焦点小组参与者包括ABT专家和南非ABT房屋的最终用户,他们是使用方便的抽样技术选择的。记录数据,逐字转录并使用NVivo 11软件进行分析。本研究发现,使用SBT等abt的驱动因素包括可持续性、可负担性、创造就业潜力、防火性和抗震性。这项研究揭示了sbt的策略,包括意识、跨城市建造沙袋原型和培训。实际意义本研究的发现对南非实施和吸收ABT的实践和实践具有实际意义。这项研究提供了一个框架,以扩大世界范围内对使用和吸收SBTs以提供可持续和负担得起的住房的理解。独创性/价值本研究对abt有限的知识体系进行了显著补充,重点关注沙袋屋。因此,研究结果为决策者提供了专家和最终用户对使用abt的障碍和策略的看法。
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引用次数: 1
BIM knowledge transfer in construction industry: a partial least square analysis 建筑行业BIM知识转移:偏最小二乘分析
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-09 DOI: 10.1108/jedt-06-2022-0287
Esther Damilola Rotimi, F. E. Rotimi, C. Silva, I. E. Aigwi
PurposeThere are several technologies positively impacting the management of construction projects. Building information modelling (BIM) is one such technology, slowly changing project delivery. However, enhancing knowledge transfer (KT) within the construction industry is crucial because of the characteristic slow uptake of innovation. Therefore, this study aims to establish the effectiveness of the KT mechanism for BIM implementation in construction organisations.Design/methodology/approachThis study adopted a quantitative research method where a structured questionnaire was distributed to construction professionals. A partial least square structural equation modeling path analysis was used to test the direct and indirect relationships of computer self-efficacy (CS), perceived ease of use (PEOU), KT and BIM usage.FindingsThis study found that CS could improve KT, which will, in turn, increase the implementation of BIM within construction organisations. However, in terms of KT, individuals’ confidence and ability to use BIM inspires them to share the knowledge of BIM they had received through training. Furthermore, this study found that the ease of interacting, learning and being skilful with BIM may not necessarily ensure the actual transfer of knowledge.Originality/valueThis study provides valuable insights into KTs (BIM implementation) in the construction industry. It will enhance the use of BIM systems and related knowledge through effective training amongst construction practitioners. Other previous studies have focused on challenges and barriers to BIM implementation, this study goes deeper into establishing the effectiveness of the KT mechanism for BIM implementation in construction organisations.
有几种技术对建设项目的管理产生了积极的影响。建筑信息建模(BIM)就是这样一种技术,它缓慢地改变着项目交付。然而,由于创新吸收缓慢的特点,加强建筑业内部的知识转移至关重要。因此,本研究旨在建立KT机制在建筑组织中实施BIM的有效性。设计/方法/方法本研究采用定量研究方法,向建筑专业人员发放结构化问卷。使用偏最小二乘结构方程建模路径分析来测试计算机自我效能感(CS)、感知易用性(PEOU)、KT和BIM使用之间的直接和间接关系。发现这项研究发现,CS可以提高KT,反过来,这将增加BIM在建筑组织中的实施。然而,在KT方面,个人使用BIM的信心和能力激励他们分享他们通过培训获得的BIM知识。此外,这项研究发现,BIM的互动、学习和熟练程度并不一定能确保知识的实际转移。独创性/价值本研究为建筑行业的BIM实施提供了宝贵的见解。它将通过对建筑从业者的有效培训,加强BIM系统和相关知识的使用。之前的其他研究都集中在BIM实施的挑战和障碍上,本研究更深入地探讨了KT机制在建筑组织中实施BIM的有效性。
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引用次数: 0
Shaping circular economy in the built environment in Africa. A bibliometric analysis 在非洲建筑环境中塑造循环经济。文献计量学分析
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-08 DOI: 10.1108/jedt-03-2022-0175
Jacob Mhlanga, T. Haupt, Claudia Loggia
PurposeThis paper aims to explore the intellectual structure shaping the circular economy (CE) discourse within the built environment in Africa.Design/methodology/approachThe study adopted a bibliometric analysis approach to explore the intellectual structure of CE in the built environment in Africa. The authors collected 31 papers published between 2005 and 2021 from the Scopus database and used VOSviewer for data analysis.FindingsThe findings show that there are six clusters shaping the intellectual structure: demolition, material recovery and reuse; waste as a resource; cellulose and agro-based materials; resilience and low-carbon footprint; recycling materials; and the fourth industrial revolution. The two most cited scholars had three publications each, while the top journal was Resources, Conservation and Recycling. The dominant concepts included CE, sustainability, alternative materials, waste management, lifecycle, demolition and climate change. The study concludes that there is low CE research output in Africa, which implies that the concept is either novel or facing resistance.Research limitations/implicationsThe data were drawn from one database, Scopus; hence, adoption of alternative databases such as Web of Science, Google Scholar and Dimensions could potentially have yielded a higher number of articles for analysis which potentially would result in different conclusions on the subject understudy.Originality/valueThis study made a significant contribution by articulating the CE intellectual structure in the built environment, identified prominent scholars and academic platforms responsible for promoting circularity in Africa.
本文旨在探讨在非洲建筑环境中形成循环经济(CE)话语的知识结构。设计/方法/方法本研究采用文献计量学分析方法来探索非洲建筑环境中节能的知识结构。作者从Scopus数据库中收集了2005年至2021年间发表的31篇论文,并使用VOSviewer进行数据分析。研究结果表明,形成智力结构的集群有六个:拆除、材料回收和再利用;废物作为一种资源;纤维素和农基材料;韧性和低碳足迹;回收材料;第四次工业革命。被引用最多的两位学者各发表了三篇论文,而排名最高的期刊是《资源、保护与回收》。主要概念包括节能、可持续性、替代材料、废物管理、生命周期、拆除和气候变化。该研究的结论是,非洲的环境污染研究产出很低,这意味着这个概念要么是新颖的,要么面临阻力。研究局限性/启示数据来源于Scopus数据库;因此,采用Web of Science、b谷歌Scholar和Dimensions等替代数据库可能会产生更多的文章进行分析,这可能会导致对该主题的不同结论。独创性/价值本研究通过阐明建筑环境中的CE知识结构做出了重大贡献,确定了负责促进非洲循环的杰出学者和学术平台。
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引用次数: 4
Project cost performance factors in the war-affected and conflict-sensitive Afghan construction industry 受战争影响和冲突敏感的阿富汗建筑业的项目成本绩效因素
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-08 DOI: 10.1108/jedt-11-2021-0657
Ahmad Shah Kakar, A. Hasan, K. N. Jha, Amarjit Singh
PurposeThe Afghan construction industry faces resource shortages and heavily relies on foreign aid to fund public projects on the path to recovery and reconstruction. While the resource constraints demand cost-efficient delivery of construction projects, many Afghan public projects experience delays and cost overruns. This study aims to evaluate various attributes and factors influencing cost performance in public construction projects in Afghanistan.Design/methodology/approachThe literature review and Delphi method identified 30 cost performance attributes relevant to the context of Afghanistan. Next, a questionnaire survey was conducted with construction management professionals working in the public sector in the Afghan construction industry to evaluate these attributes.FindingsThis study found that the lack of resources, poor project management skills and corruption in procurement are the leading causes behind cost overruns in Afghan public projects. This study also identified five latent factors influencing cost performance in public projects in Afghanistan: competency of the project team, socioeconomic and political support, governance and public procurement, planning and risk management and project characteristics.Research limitations/implicationsThe exploratory factor analysis did not reveal the relative significance of different cost performance success factors. Moreover, the ranking of cost performance attributes is based on the responses from the public sector construction professionals only.Practical implicationsThe construction industry in Afghanistan significantly contributes to the country’s social and economic growth and employment. This study’s findings will help researchers, project sponsors, government departments and industry practitioners interested in improving the cost performance in Afghan public projects.Originality/valueGiven the scarcity of research in war-affected and conflict-sensitive regions, this study fills a research gap on project cost performance by providing insights into the cost performance success factors in public projects in Afghanistan.
阿富汗建筑业面临资源短缺,严重依赖外国援助为恢复和重建道路上的公共项目提供资金。虽然资源限制要求以成本效益高的方式交付建筑项目,但许多阿富汗公共项目却出现延误和成本超支的情况。本研究旨在评估影响阿富汗公共建设项目成本绩效的各种属性和因素。设计/方法/方法文献回顾和德尔菲法确定了与阿富汗背景相关的30个成本绩效属性。接下来,对在阿富汗建筑业公共部门工作的建筑管理专业人员进行了问卷调查,以评估这些属性。这项研究发现,资源缺乏、项目管理技能差和采购腐败是阿富汗公共项目成本超支的主要原因。本研究还确定了影响阿富汗公共项目成本绩效的五个潜在因素:项目团队的能力、社会经济和政治支持、治理和公共采购、规划和风险管理以及项目特点。研究局限性/启示探索性因子分析并未揭示不同性价比成功因素的相对显著性。此外,性价比属性的排名仅基于公共部门建筑专业人员的回应。实际意义阿富汗的建筑业对该国的社会和经济增长以及就业做出了重大贡献。这项研究的结果将有助于研究人员、项目发起人、政府部门和对提高阿富汗公共项目的性价比感兴趣的行业从业者。原创性/价值鉴于在受战争影响和冲突敏感地区的研究缺乏,本研究通过深入了解阿富汗公共项目的成本绩效成功因素,填补了项目成本绩效的研究空白。
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引用次数: 0
Identifying the capacity needs of built environment professionals to deliver environmentally sustainable buildings: a scientometric review 确定建筑环境专业人员交付环境可持续建筑的能力需求:科学计量学综述
IF 2.8 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2022-11-03 DOI: 10.1108/jedt-04-2022-0217
A. Afful, J. Ayarkwa, G. Acquah, Ama Antwi Darkwa Ossei Assibey, D. Osei-Asibey
PurposeThe purpose of this study is to identify the capacity needs of building professionals to deliver environmentally sustainable buildings (ESBs) globally, from a unique systems approach. Through a review of extant literature, this study contributes to knowledge of the global delivery of ESBs by identifying research trends and gaps that can be tackled in future research, and current hotspots in capacity building (CB) research within the built environment (BE). The adopted systems approach to CB postulates that the construction industry is systemized in nature, and thus, CB solutions within the industry should be approached from a systems approach.Design/methodology/approachA literature search was conducted using the Scopus search engine, augmented by Google Scholar and Web of Science, to produce 54 relevant articles for analysis. The scientometric analysis was undertaken with the use of VOSViewer to better understand the broad literature on CB in the construction industry which would not have been possible with traditional data analysis. The content analysis allowed, for a systematic review of selected articles, to reveal key themes in this study.FindingsThrough a content analysis, four levels of CB were identified within the construction industry; individual level, organizational level, industry level and state level. Nine sub-capacities were subsumed under the four identified levels adopted from Potter and Brough (2004), including but not limited to Performance capacity, Workload capacity, Supervisory capacity, Industry Role capacity and Systems capacity. Under each sub-capacity, key questions were posed to aid identify the capacity needs of BE professionals. A framework for identifying capacity needs in the BE is proposed.Practical implicationsThe findings of this study serve as a useful reference for practitioners and policymakers to assess their level of commitment to CB efforts for ESB delivery. The findings of this study have revealed that building the capacities of BE professionals to deliver ESBs should be addressed as part of a broader framework, interdependent on the other levels of CB in the systemic construction industry.Originality/valueAs a review study identifying capacity needs for BE professionals to deliver ESBs, this study enhances knowledge of CB within the construction industry.
目的本研究的目的是从独特的系统方法确定建筑专业人员在全球范围内提供环境可持续建筑(esb)的能力需求。通过对现有文献的回顾,本研究通过确定未来研究中可以解决的研究趋势和差距,以及当前建筑环境(be)中能力建设(CB)研究的热点,有助于了解esb的全球交付。采用系统方法的CB假设建筑业本质上是系统化的,因此,行业内的CB解决方案应该从系统方法来处理。设计/方法/方法使用Scopus搜索引擎,b谷歌Scholar和Web of Science进行文献检索,产生54篇相关文章进行分析。科学计量学分析是使用VOSViewer进行的,以更好地理解建筑业中关于CB的广泛文献,这是传统数据分析所无法做到的。内容分析允许,对选定的文章进行系统回顾,揭示本研究的关键主题。研究结果:通过内容分析,在建筑行业中确定了四个层次的CB;个人层面、组织层面、行业层面、国家层面。波特和布劳(2004)采用了四个确定的水平,其中包括九个子能力,包括但不限于绩效能力、工作量能力、监管能力、行业角色能力和系统能力。在每个子能力下,提出了关键问题,以帮助确定BE专业人员的能力需求。提出了一个确定BE能力需求的框架。实际意义本研究的发现为从业者和决策者评估他们对ESB交付的CB工作的承诺水平提供了有用的参考。本研究的结果表明,BE专业人员交付esb的能力建设应该作为更广泛框架的一部分来解决,与系统建筑行业中其他层次的CB相互依赖。原创性/价值作为一项评估研究,确定了BE专业人员交付esb的能力需求,本研究增强了建筑行业对CB的了解。
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引用次数: 0
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Journal of Engineering Design and Technology
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