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Exploring the Factors and Measures to Improve Safety in Road Construction in India 探讨提高印度道路建设安全水平的因素与措施
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.8
D. Das
Accidents at road construction sites are pervasive in India. Therefore, using data obtained from construction sites on a national highway in India, the major factors that contribute to the occurrence of accidents were explored in this study and various strategic and operational interventions that could be implemented to improve safety in road construction were established. A survey was conducted among the relevant stakeholders to collect both quantitative and qualitative data. Inferential statistical methods, including ordinal regression modelling, were used to analyse quantitative data and narrative and interpretive methods were used to analyse qualitative data. Based on the results, it was found that several factors, related to four important aspects, contribute significantly to the occurrence of accidents, including site conditions, traffic conditions, behaviour and attitude of construction workers, and information and training. It was established that operational interventions, such as the installation of early warning systems, mandatory use of safety equipment and gear, and signage and control at road construction sites can reduce accidents significantly. In addition, strategic interventions, such as implementing a specific road construction safety policy, creating awareness among the stakeholders and including the cost of health and safety in the project cost are vital. However, it was found that operational interventions are more influential than strategic interventions in the context of safety on road construction sites.
在印度,道路施工工地的事故非常普遍。因此,本研究利用从印度国家高速公路的施工现场获得的数据,探讨了导致事故发生的主要因素,并制定了各种可以实施的战略和操作干预措施,以提高道路施工的安全性。在相关利益相关者中进行了一项调查,以收集定量和定性数据。定量数据采用推理统计方法,包括有序回归模型,定性数据采用叙述和解释方法分析。根据结果,发现与四个重要方面有关的几个因素对事故的发生有重大影响,包括工地条件、交通条件、建筑工人的行为和态度以及信息和培训。经证实,在道路建筑工地安装早期预警系统、强制使用安全设备和装备以及标志和控制等业务干预措施可以大大减少事故。此外,实施具体的道路建设安全政策、提高利益攸关方的认识以及将健康和安全成本纳入项目成本等战略干预措施至关重要。然而,研究发现,在道路建设工地安全方面,业务干预比战略干预更有影响力。
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引用次数: 0
Significant Decent Work Objectives for Monitoring Construction Workers' Productivity Performance in Zimbabwe 监测津巴布韦建筑工人生产力表现的重要体面工作目标
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.6
Tirivavi Moyo, G. Crafford, Fidelis Emuze
Decent work deficits in Zimbabwe have exacerbated low construction workers' productivity. Therefore, the functional decent work agenda matrix can potentially be utilised in place of the non-existent construction labour productivity performance monitoring tools. Hence, this study aims to determine significant decent work objectives for monitoring construction workers' productivity performance and also to examine demographic-related statistically significant differences. Given the exploratory nature of the study, a positivist paradigm was utilised for data collection and analysis owing to the aim of revealing relationships between construction workers' productivity performance and decent work objectives. Adequate earnings, productive work and environmental context were the most significant objectives while all other objectives were significant towards monitoring construction workers' productivity performance. Demographically targeted interventions include the need for adequate remuneration according to different generations and designations of workers, work-life balance for various designations and educational levels, improving the stability of employment, enhancing social security and improving training and awareness of environmental sustainability for workers of various designations. This study did not consider skilled construction workers' views as this was exploratory. Significant decent work objectives can be utilised to monitor construction workers' productivity performance, thereby improving both workers' welfare and productivity.
津巴布韦体面工作的短缺加剧了建筑工人的低生产率。因此,功能性体面工作议程矩阵可以潜在地用来取代不存在的建筑劳动生产率绩效监测工具。因此,本研究旨在确定监测建筑工人生产力表现的重要体面工作目标,并检查人口统计学相关的显著差异。鉴于该研究的探索性,为了揭示建筑工人的生产力表现与体面工作目标之间的关系,采用实证主义范式进行数据收集和分析。适当的收入、生产性工作和环境环境是最重要的目标,而所有其他目标对监测建筑工人的生产力表现都很重要。以人口为目标的干预措施包括:需要根据不同的世代和工人的身份获得适当的报酬;各种身份和教育水平的工作与生活平衡;改善就业的稳定性;加强社会保障;改善对各种身份的工人的培训和对环境可持续性的认识。这项研究没有考虑熟练建筑工人的观点,因为这是探索性的。重要的体面工作目标可以用来监测建筑工人的生产力表现,从而提高工人的福利和生产力。
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引用次数: 0
The Market for Green Buildings in Sub-Saharan Africa: Experts Perspective on the Economic Benefits in Ghana 撒哈拉以南非洲的绿色建筑市场:加纳经济效益的专家视角
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.10
M. Addy, E. Adinyira, Florence Dadzoe, D. Opoku
Part of the ideals of promoting sustainability is the green building (GB) concept. Nevertheless, the uptake and use of GBs amongst most stakeholders in Africa are still on the low. Despite the plethora of studies on the economic benefits of green building, there is a dearth in studying the benefits in Africa. Within these economies, the presence of market restrictions, socio-cultural and political factors may mitigate against these benefits. This study seeks to unearth the economic benefits of GBs within the context of a sub-Saharan African country, Ghana. By adopting a quantitative research approach, a comprehensive literature review was first conducted. This was followed by the use of a questionnaire survey. A structured questionnaire was issued to building consultants in Ghana to elicit their perspectives on the economic gains of GBs. Mean scores, Wilcoxon signed-rank test and Kruskal-Wallis H test were respectively used to rank and assess the level of agreements amongst the various consultants on the economic benefits. Five economic benefits were identified from the study. This includes savings in energy, lower lifetime cost, lower operational cost, increased work productivity and "transforms the construction industry". The findings show that most of the economic benefits identified from literature cannot be realised in the study region, including "high return on investment" and "increase in building value". Consequently, building energy cost seems to play a crucial role in pushing the demand for the GB within the study milieu. The study provides a contextual understanding of economic benefits, useful to construction clients, property owners, real estate investors, consultants and the research environment. The findings are useful in providing market enablers to enhance a large-scale uptake of green construction. It is recommended that the provision of GBs should not be limited to only its impact on the environment and sustainability but also affordability concerns. This study provides a unique contextual perspective on the economic benefit of GB in a sub-Saharan African country.
促进可持续发展的理想之一是绿色建筑(GB)概念。然而,非洲大多数利益攸关方对gb的吸收和使用仍然很低。尽管对绿色建筑的经济效益进行了大量的研究,但对非洲的研究却很少。在这些经济体中,市场限制、社会文化和政治因素的存在可能会削弱这些好处。本研究试图在撒哈拉以南非洲国家加纳的背景下揭示GBs的经济效益。采用定量研究的方法,首先进行了全面的文献综述。随后进行了问卷调查。向加纳的建筑顾问发放了一份结构化问卷,以征求他们对政府大楼经济收益的看法。分别采用平均分数、Wilcoxon sign -rank检验和Kruskal-Wallis H检验对各咨询师在经济效益上的协议水平进行排序和评估。该研究确定了五项经济效益。这包括节约能源、降低生命周期成本、降低运营成本、提高工作效率和“改变建筑行业”。研究结果表明,文献中确定的大部分经济效益在研究区域无法实现,包括“高投资回报”和“建筑价值增加”。因此,在研究环境中,建筑能源成本似乎在推动GB需求方面起着至关重要的作用。这项研究为建筑客户、业主、房地产投资者、顾问和研究环境提供了经济效益的背景理解。研究结果有助于提供市场推动因素,以促进绿色建筑的大规模采用。建议提供政府债券不应仅限于其对环境和可持续性的影响,而应考虑到可负担性问题。本研究为撒哈拉以南非洲国家GB的经济效益提供了一个独特的背景视角。
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引用次数: 0
Social Networks and Knowledge Transfer in International Construction Joint Venture Projects: A Case Study in Thailand 社会网络与国际建筑合资项目中的知识转移:以泰国为例
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.7
Achara Khamaksorn, J. Tah, E. Kurul
International joint ventures (IJVs) are a specific type of strategic alliance between contractors from developed and developing countries and have been increasingly used. IJVs between multinational organisations are considered a successful strategy to benefit from international market opportunities in the globalised world. International construction joint ventures (ICJVs) have become of significant interest as the global construction market continues to be integrated into the more competitive business environment. The aim of this article is to uncover the knowledge transfer (KT) practices in an ICJV using social network analysis (SNA). The case presented here is the pilot study. A total of 19 questionnaire surveys were undertaken with selected team members. UCINET 6.0, an SNA package, was used to analyse the collected data and NetDraw was used to visualise the sociogram. This article first presents the actors' attributes; then, social network characteristics, which consist of network structure, network density and degree of centrality and cliques of actors, are presented. This analysis will be used to identify the key actors that influence the KT processes in this case study.
国际合资企业(IJVs)是发达国家和发展中国家承包商之间的一种特殊类型的战略联盟,越来越多地被使用。跨国组织之间的国际合资企业被认为是在全球化的世界中从国际市场机会中获益的成功战略。随着全球建筑市场不断融入竞争更加激烈的商业环境,国际建筑合资企业(ICJVs)已成为重要的兴趣所在。本文的目的是使用社会网络分析(SNA)揭示ICJV中的知识转移(KT)实践。这里介绍的案例是初步研究。共对选定的团队成员进行了19次问卷调查。使用SNA软件包UCINET 6.0对收集的数据进行分析,并使用NetDraw对社会图谱进行可视化。本文首先介绍了参与者的属性;在此基础上提出了社会网络特征,包括网络结构、网络密度、参与者的中心性和派系性。此分析将用于确定影响本案例研究中KT过程的关键参与者。
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引用次数: 1
An Investigation of the Factors Affecting Successful Enterprise Resource Planning (ERP) Implementation in Nigeria 影响尼日利亚成功实施企业资源规划(ERP)的因素调查
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.3
B. Amade, A. Ogbonna, E. Nkeleme
The ERP system has been identified as a tool for delivering information technology (IT) services through software and other critical infrastructures using internet technologies. Given its nature as an industry-driven concept and system, this is universally accepted in industry as a tool to solve practical problems with a view to achieving an integrated enterprise information system. However, a developing country like Nigeria still faces a lot of hurdles in managing its construction supply chain. The aim of this study is to investigate the factors affecting the successful implementation of enterprise resource planning (ERP) systems in the Nigerian construction industry. After a literature search, expert input via the Delphi technique, the study identified four main factors and 21 sub-factors. The Decision-Making Trial and Evaluation Laboratory (DEMATEL) method was used to prioritise the factors and to identify the relationship that exists between the factors. The findings revealed that the key factors affecting the implementation of ERP systems are "A lot of security concerns" (T7), "The management of ERP projects is too complex" (P5) and "The inability to align the ERP solution with the business plans of the organisation" (P2). This study recommends that the findings of this work will help both local and international practitioners alike.
ERP系统已被确定为通过软件和其他使用互联网技术的关键基础设施提供信息技术(IT)服务的工具。由于其作为行业驱动的概念和系统的性质,它被业界普遍接受为解决实际问题的工具,以实现集成的企业信息系统。然而,像尼日利亚这样的发展中国家在管理其建筑供应链方面仍然面临许多障碍。本研究的目的是调查影响企业资源规划(ERP)系统在尼日利亚建筑业成功实施的因素。通过文献检索和专家德尔菲法的输入,本研究确定了4个主要因素和21个子因素。采用决策试验和评估实验室(DEMATEL)方法对各因素进行优先排序,并确定各因素之间存在的关系。调查结果显示,影响ERP系统实施的关键因素是“很多安全问题”(T7),“ERP项目的管理过于复杂”(P5)和“无法使ERP解决方案与组织的业务计划保持一致”(P2)。这项研究建议,这项工作的发现将有助于本地和国际从业人员。
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引用次数: 2
Value Co-Creation Approach to Management of Construction Project Stakeholders 建设项目利益相关者价值共创管理方法研究
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.1
R. Asiedu, Faisal Iddris
This article explores the link between value co-creation, a project's success and satisfaction of the project's stakeholders. It also looks at how a project's success mediates the relationship between value co-creation and the stakeholder's satisfaction. A quantitative approach with an online questionnaire was used to collect data from a sample of 140 respondents in Ghana. Data were analysed using partial least square structural equation modelling (PLS-SEM). The results show that value co-creation positively and significantly relates to a project's success and stakeholder satisfaction. The findings also support that a project's success mediates the impact of value co-creation on the stakeholders' satisfaction. Based on these findings, we suggest that project managers be critical about the type of value co-creation strategy they will use to engage project stakeholders. This would apply when adopting the value co-creation approach to manage their projects while not sacrificing success. This study focused on the impact of value co-creation on a project's success and its stakeholder's satisfaction. The survey data were collected only to evaluate the overall effect of value-co-creation on the success and stakeholder's satisfaction of projects. The adoption and implementation of value co-creation in project management may enhance the definition of the project's scope, performance specifications and other criteria used to measure the success of a project, to meet the needs of stakeholders. By empirically presenting a project's success as a key mediator in shaping the effect of adopting value co-creation in project management on the stakeholder's satisfaction, this study laid a foundation for further theoretical explorations involving value co-creation in project management.
本文探讨了价值共同创造、项目成功和项目涉众满意度之间的联系。它还研究了项目的成功如何调解价值共同创造和涉众满意度之间的关系。采用在线问卷的定量方法从加纳的140名受访者中收集数据。数据分析采用偏最小二乘结构方程模型(PLS-SEM)。结果表明,价值共同创造与项目成功和干系人满意度呈正相关。研究结果还支持项目的成功中介价值共同创造对干系人满意度的影响。基于这些发现,我们建议项目经理对他们将用于吸引项目干系人的价值共同创造策略的类型持关键态度。当采用价值共同创造的方法来管理他们的项目而不牺牲成功时,这将适用。本研究的重点是价值共同创造对项目成功及其利益相关者满意度的影响。收集调查数据只是为了评估价值共同创造对项目成功和利益相关者满意度的总体影响。在项目管理中采用和实施价值共同创造可以增强对项目范围、绩效规范和其他用于衡量项目成功的标准的定义,以满足干系人的需求。本研究实证地提出项目成功作为项目管理中价值共同创造对利益相关者满意度影响的关键中介,为进一步探讨项目管理中价值共同创造的理论探索奠定了基础。
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引用次数: 0
Application of Linear Scheduling in Water Canal Construction with a Comparison of Critical Path Method 线性调度在水渠施工中的应用及关键路径法的比较
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.11
P. Ramani, P. Selvaraj, S. T, Anshul Gupta
Critical path method (CPM) still remains the most commonly used scheduling technique, despite many studies confirming its shortcomings for scheduling repetitive construction projects. This research evaluated the case study of an alignment-based precast water canal erection project, which was originally planned with CPM and analysed the suitability of using linear scheduling method (LSM) for the same project. The case study project was scheduled using both CPM and LSM tools and the results were compared in terms of estimated total duration and resource cost. The results showed that LSM produced a saving of 10 days in total duration and 20.07% in estimated resource cost over CPM. LSM also proved to be the better tool in terms of other schedule attributes like resource assignment, levelling, visualisation, etc., for alignment-based projects. LSM can be highly efficient for scheduling different types of repetitive construction and offers benefits like better workflow and continuous resource usage.
关键路径法(CPM)仍然是最常用的调度技术,尽管许多研究证实了它在重复建设项目调度中的不足。本研究评估了一个基于对齐的预制水渠安装项目的案例研究,该项目最初是用CPM计划的,并分析了在同一项目中使用线性调度方法(LSM)的适用性。案例研究项目使用CPM和LSM工具进行计划,并根据估计的总持续时间和资源成本对结果进行比较。结果表明,与CPM相比,LSM的总工期节省了10天,估计资源成本节省了20.07%。LSM在其他进度属性方面也被证明是更好的工具,比如资源分配、平衡、可视化等,这些都是基于一致性的项目。LSM可以高效地调度不同类型的重复构建,并提供诸如更好的工作流和持续的资源使用等好处。
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引用次数: 2
Managing Stakeholder Opportunism in Public-Private Partnership (PPP) Housing Projects 管理公私合作(PPP)住房项目中的利益相关者机会主义
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.12
Y. N. Sanda, N. Anigbogu, Y. D. Izam, Lura Y. Nuhu
Stakeholder opportunistic behaviour has been reported as one of the reasons for failure in public-private partnership (PPP) housing projects. This study aimed at managing stakeholder opportunistic behaviours in PPP housing projects in Abuja, Nigeria with view to devise strategies for addressing the menace towards successful application of PPP in housing. Purposeful sampling technique was used to select the study sample from the total population. A total of 93 questionnaires were administered, out of these, 61 were duly completed and used for the study. The study adopted the ranking model and mean rating in analysing the data. Conflict of interest and lack of trust were the major determinants of opportunism manifesting in deliberate underbidding by private sectors and delays in disbursement of approved project funds. Strategic behaviours can effectively be prevented and mitigated by developing trust among stakeholder and use of contract structure. The study suggests structuring of contracts such that opportunism is avoided or reduced to acceptable level, building of trust among stakeholders and building an environment with adequate incentives to penalise collusion attempts as strategies for preventing and mitigating opportunism in PPP housing projects.
据报道,利益相关者机会主义行为是公私合作(PPP)住房项目失败的原因之一。本研究旨在管理尼日利亚阿布贾PPP住房项目中利益相关者的机会主义行为,以期制定策略,解决PPP在住房项目中成功应用的威胁。采用有目的抽样技术,从总体人群中选择研究样本。共发放了93份问卷,其中61份已完成并用于研究。本研究采用排序模型和平均评级对数据进行分析。利益冲突和缺乏信任是机会主义的主要决定因素,表现在私营部门故意压低投标和延迟支付核定项目资金。通过在利益相关者之间建立信任和使用契约结构,可以有效地预防和减轻战略行为。该研究建议,通过合同结构来避免机会主义或将其减少到可接受的水平,在利益相关者之间建立信任,并建立一个有足够激励措施来惩罚串通企图的环境,作为防止和减轻PPP住房项目中机会主义的策略。
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引用次数: 0
Evaluation of Service Quality Gaps in Construction Professional Service Firms in Nigeria 尼日利亚建筑专业服务公司服务质量差距评价
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-06-01 DOI: 10.21315/jcdc2022.27.1.2
Aluko Olusola Raphael, Omoniyi Sunday Samuel, A. Dipeolu
The study aims at evaluating and comparing service quality of consultancy firms who provide professional services in building projects in Nigeria. The article seeks to address the general perceptions of dissatisfaction with the quality of services in order to enhance performance of building projects and ensure competitiveness in the industry. A cross-sectional survey was conducted using a structured questionnaire as an instrument of data collection. The population of the study consisted of 488 representatives of public and private clients with a sample size of 385. Data were analysed using weighted mean and paired-sample t-test to determine the severity of differences in the expected service quality and perceived service quality. The result shows significant differences between the expected service quality and perceived service quality in structural engineering, mechanical/electrical engineering and quantity surveying services along all the dimensions of service quality. However, "Tangibles" dimension of architectural services had no positive differences in the service quality, but had differences in "Responsiveness", "Empathy", "Reliability" and "Assurance" dimensions. The results imply that professional service providers require fundamental improvement in their services to their clients. This study offers an opportunity for consultancy firms to evolve global best practices by creating and maintaining high service quality as a team.
该研究旨在评估和比较在尼日利亚建筑项目中提供专业服务的咨询公司的服务质量。这篇文章旨在解决对服务质量的普遍不满,以提高建筑项目的表现和确保在行业中的竞争力。横断面调查采用结构化问卷作为数据收集的工具。该研究的人口包括488名公共和私人客户代表,样本量为385人。采用加权平均和配对样本t检验对数据进行分析,以确定预期服务质量和感知服务质量差异的严重程度。结果表明,结构工程、机电工程和工料测量服务的预期服务质量与感知服务质量在服务质量的各个维度上存在显著差异。而建筑服务的“有形”维度在服务质量上无显著性差异,但在“响应性”、“共情性”、“可靠性”和“保证性”维度上存在显著性差异。结果表明,专业服务提供者需要从根本上改善他们对客户的服务。这项研究为咨询公司提供了一个机会,通过创建和保持团队的高服务质量来发展全球最佳实践。
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引用次数: 3
Solutions to Overcome Integrated Project Delivery Implementation Barriers: A Meta-Synthesis Approach 克服集成项目交付实施障碍的解决方案:一种元综合方法
IF 0.9 Q4 CONSTRUCTION & BUILDING TECHNOLOGY Pub Date : 2022-01-01 DOI: 10.21315/jcdc-08-20-0186
Zahra Kahvandi, S. Melhado, Marina L. Viana
Construction projects encounter myriad problems, some of which may be connected to the project delivery model. Integrated Project Delivery (IPD) is an approach that removes the gap between the planning and construction stages of a project. Various barriers to implementation exist within the construction industry, and these can be resolved by effective solutions. Identifying and classifying these solutions is considered essential for successful project delivery. In this context, this study aims to illustrate and classify the solutions that have been proposed since the introduction of IPD as a new approach for the implementation of construction projects. In this study, a metasynthesis approach has been used as a qualitative method, and pattern and descriptive coding and analysis have been used to analyze the data. The solutions analyzed in the meta-synthesis suggest that all stakeholders—including designers, construction engineers, construction team members, and operation and maintenance team members—each have the same responsibility to improve IPD and meet the project goals. This study is significant because it suggests important resolutions to the barriers to IPD implementation and may help construction industry stakeholders better facilitate IPD and enhance clauses of their contracts.
建设项目遇到了无数的问题,其中一些问题可能与项目交付模式有关。综合项目交付(IPD)是一种消除项目规划和施工阶段之间差距的方法。建筑行业中存在各种实施障碍,这些障碍可以通过有效的解决方案来解决。识别和分类这些解决方案被认为是项目成功交付的必要条件。在此背景下,本研究旨在说明和分类自引入IPD作为实施建筑项目的新方法以来提出的解决方案。本研究采用元合成方法作为定性方法,并采用模式和描述性编码和分析方法对数据进行分析。综合分析的解决方案表明,所有利益相关者——包括设计师、施工工程师、施工团队成员和运维团队成员——都有同样的责任来改善IPD并实现项目目标。本研究具有重要意义,因为它为IPD实施的障碍提出了重要的解决方案,并可能帮助建筑行业利益相关者更好地促进IPD并加强其合同条款。
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引用次数: 0
期刊
Journal of Construction in Developing Countries
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