Mega projects require large funding,which often reaches tens or even hundreds of billions of yuan.In the state-oriented financing system,the huge fund gap has generally become an important factor restricting the devel...Mega projects require large funding,which often reaches tens or even hundreds of billions of yuan.In the state-oriented financing system,the huge fund gap has generally become an important factor restricting the development of mega projects worldwide.Since the 1980s,China’s long-span bridge projects have developed rapidly as typical mega projects as their financing systems have also undergone a series of changes and shown a high adaptability to complexity.However,the existing literature based on the perspective of evolution lacks focus on the complexity of mega project financing systems and its causes.Therefore,the complexity of the financing methods employed in the financing systems for China’s long-span bridges is analyzed in this work from the dimensions of time and regions through investigation and interviews.On the basis of the results and complex adaptive systems theory,the causes of the complexity are further explored in terms of the clustering effects of financing subjects and the deep uncertainty of financing environments.Then,the evolution rules of financing systems of mega projects are established from the aspect of financing subjects,financing environments,and financing methods.The research results can enrich decision-makers’understanding of the essential attributes and formation mechanism of the financing systems of mega projects and provide powerful support for decision-making in financing.展开更多
Mega shopping mall projects have seen dramatic growth and great development in recent years in Egypt. Many new mega shopping mall projects are under construction and expecting to start working in the few coming years....Mega shopping mall projects have seen dramatic growth and great development in recent years in Egypt. Many new mega shopping mall projects are under construction and expecting to start working in the few coming years. In the absence of researches studying the Egyptian mega shopping mall projects, this study tries to highlight the most critical risks that face these projects and the associated most effective response methods to be employed. The scope covers the analysis from different perspectives by including owners/developers, designers, consultants, project managers, and contractors that have previous experience in large-scale projects such as shopping mall projects. In this study, 30 construction project risks are classified into six main categories according to their type and 150 risk mitigation/elimination measures are introduced to overcome the impact of risks under each of these risk categories. The results reveal that the main risk category that faces the mega shopping mall projects in Egypt is the one including the financial risk factors. The most critical risk factor that faces these projects is the financial ability of the client. These results are similar to findings by previous researches conducted for large projects in other countries.展开更多
The construction sites of mega construction projects(MCP) often have numerous participants with interfacing work within a highly complex system. It is critical how to realize collaborative work and information sharing...The construction sites of mega construction projects(MCP) often have numerous participants with interfacing work within a highly complex system. It is critical how to realize collaborative work and information sharing among such participants. The information and communication technologies(ICTs) provides a technical guarantee for solving this problem. Existing research has been achieved the partial processes digitization of construction site, but certain problems still exist: 1)information perception of the construction site is passive.2) common collaboration and coordination problems in the construction industry have not been addressed. The emerging trends of ICTs have resulted in the integration of various computer technologies such as CPS, BIM, big data, and cloud computing into construction process,which would changes behavioral and management mode of construction sites. These new ICTs have been applied successfully in MCP, in particular, Hong Kong-ZhuhaiMacao Bridge project. A new management mode of construction sites is inspired by these case. In this paper, a new management mode of construction site for MCP has been proposed, namely, smart construction site. The ultimate goal of smart construction site is to accomplish safe, efficient and high-quality construction. This study put forward the conceptual framework for smart construction site, and have identified three key elements of smart construction site, including information support platform,collaboration work, and intelligent construction management. A case study on Hong Kong-Zhuhai-Macao Bridge project work as an evidence to support the practicability of the proposed mode. Significant contributions of this study is to propose a new management mode for MCP in construction industry, which would enrich the body of knowledge or the construction management community.Future research should be dedicated to further explore the potential of smart construction site in MCP management.展开更多
The Hong Kong-Zhuhai-Macao Bridge(HZMB)project,which has just been opened to traffic in 2018.The special location,construction conditions,quality requirements and multiple functions of HZMB brought many challenges,suc...The Hong Kong-Zhuhai-Macao Bridge(HZMB)project,which has just been opened to traffic in 2018.The special location,construction conditions,quality requirements and multiple functions of HZMB brought many challenges,such as management,technology,safety and environmental protection.To meet these challenges and ensure the achievement of high quality and 120 years design service life,the HZMB project first introduced the completely new concept of"Large size,Factory production,Standardization and Assembly",which was fundamental to the design and construction.This was developed in consideration of the difficulties of the offshore environment.The core idea was Prefabrication and Assembly,which was to change this HZMB project into onshore work as much as possible by cutting this mega sea-crossing into large sized components,which could be prefabricated on land and then transported to the offshore site for assembly.The success of the HZMB undoubtedly has led the technology of prefabrication and assembly to a new height and recognized scale.This paper describes the implementation process of the concept;"Large size,Factory production,Standardization and Assembly"(LFSA)to the HZMB.展开更多
Mega infrastructure projects(MIPs)play crucial roles in promoting social development,regional growth,and disaster and crisis resilience.These complex projects frequently face challenges in stakeholder management,which...Mega infrastructure projects(MIPs)play crucial roles in promoting social development,regional growth,and disaster and crisis resilience.These complex projects frequently face challenges in stakeholder management,which might be a risk for their sustainability.Hence,this paper proposes affordance theory as a new theoretical framework,particularly on the basis of understanding and managing MIPs.This paper aims to achieve three main objectives:1)conceptualizing MIP affordance,2)documenting the influence of MIP affordance on stakeholder management and project sustainability,and 3)developing strategies for managing MIP affordance.It applies critical realism to conceptualize MIP affordance and its mechanism,and employs the expectation-confirmation theory to identify critical determinants for managing MIP affordance.The paper thus provides new knowledge and insights into the management of MIP stakeholders concerning project sustainability.展开更多
History has shown that mega engineering projects co-evolve with advancements in fundamental science.For instance,new research opportunities encountered inNational Aeronautics and Space Administration’s(NASA’s)Apollo...History has shown that mega engineering projects co-evolve with advancements in fundamental science.For instance,new research opportunities encountered inNational Aeronautics and Space Administration’s(NASA’s)Apollo Project led to the formulation of system science,and the development of sea-floor drilling for submarine oil exploration provided key evidence for the theory of plate tectonics.Today,there are high expectations that new data sources and technologies,such as big data,artificial intelligence,and digital twins,will bring about a step change in Earth SystemScience(ESS).1 Consequently,the ESS community anticipates the availability of broader,deeper,and higher-resolution data,complemented by longer time series than are currently available.2 Theworld’smost challenging plateau railway,named the Sichuan-Tibet railway(STR)project,aligns well with these emerging scientific requirements.展开更多
An ambitious program of High-Speed Railway (HSR) is under construction in China and already soon the network will overtake its counterparts in Europe. Reflecting on experiences in Europe, the authors explore the condi...An ambitious program of High-Speed Railway (HSR) is under construction in China and already soon the network will overtake its counterparts in Europe. Reflecting on experiences in Europe, the authors explore the conditions for place making qualities of six new HSR station areas in China. The superb inter-city connectivity of the new infrastructure nodes raises a lot of expectations about the economic and social potential of the station areas, but the experiences in Europe thus far are very differentiated. With regards to the attraction of economic activities usually the existing differences between different economic regions are reproduced rather than shaping completely new conditions. Also the expectations of developing completely new integrated urban centers around stations in the urban periphery are rather ambitious. The paper questions the planning responses to HSR development in Chinese cities and investigates the institutional conditions that frame these responses. The authors explore how the plans for Chinese HSR station development account for their objectives and reflect on the potential of the station area planning by investigating the institutional parameters of urban development.展开更多
基金This work was part of the research funded by the National Natural Science Foundation of China(Grant Nos.71671088,71841026,71732003,71471082,and 71573037)by the Third Phases of the Priority Academic Program Development of Jiangsu Higher Education Institutions(Su Zheng Ban Made(2018)No.87).
文摘Mega projects require large funding,which often reaches tens or even hundreds of billions of yuan.In the state-oriented financing system,the huge fund gap has generally become an important factor restricting the development of mega projects worldwide.Since the 1980s,China’s long-span bridge projects have developed rapidly as typical mega projects as their financing systems have also undergone a series of changes and shown a high adaptability to complexity.However,the existing literature based on the perspective of evolution lacks focus on the complexity of mega project financing systems and its causes.Therefore,the complexity of the financing methods employed in the financing systems for China’s long-span bridges is analyzed in this work from the dimensions of time and regions through investigation and interviews.On the basis of the results and complex adaptive systems theory,the causes of the complexity are further explored in terms of the clustering effects of financing subjects and the deep uncertainty of financing environments.Then,the evolution rules of financing systems of mega projects are established from the aspect of financing subjects,financing environments,and financing methods.The research results can enrich decision-makers’understanding of the essential attributes and formation mechanism of the financing systems of mega projects and provide powerful support for decision-making in financing.
文摘Mega shopping mall projects have seen dramatic growth and great development in recent years in Egypt. Many new mega shopping mall projects are under construction and expecting to start working in the few coming years. In the absence of researches studying the Egyptian mega shopping mall projects, this study tries to highlight the most critical risks that face these projects and the associated most effective response methods to be employed. The scope covers the analysis from different perspectives by including owners/developers, designers, consultants, project managers, and contractors that have previous experience in large-scale projects such as shopping mall projects. In this study, 30 construction project risks are classified into six main categories according to their type and 150 risk mitigation/elimination measures are introduced to overcome the impact of risks under each of these risk categories. The results reveal that the main risk category that faces the mega shopping mall projects in Egypt is the one including the financial risk factors. The most critical risk factor that faces these projects is the financial ability of the client. These results are similar to findings by previous researches conducted for large projects in other countries.
基金funded by the National Natural Science Foundation of China(Grant No:71390524)
文摘The construction sites of mega construction projects(MCP) often have numerous participants with interfacing work within a highly complex system. It is critical how to realize collaborative work and information sharing among such participants. The information and communication technologies(ICTs) provides a technical guarantee for solving this problem. Existing research has been achieved the partial processes digitization of construction site, but certain problems still exist: 1)information perception of the construction site is passive.2) common collaboration and coordination problems in the construction industry have not been addressed. The emerging trends of ICTs have resulted in the integration of various computer technologies such as CPS, BIM, big data, and cloud computing into construction process,which would changes behavioral and management mode of construction sites. These new ICTs have been applied successfully in MCP, in particular, Hong Kong-ZhuhaiMacao Bridge project. A new management mode of construction sites is inspired by these case. In this paper, a new management mode of construction site for MCP has been proposed, namely, smart construction site. The ultimate goal of smart construction site is to accomplish safe, efficient and high-quality construction. This study put forward the conceptual framework for smart construction site, and have identified three key elements of smart construction site, including information support platform,collaboration work, and intelligent construction management. A case study on Hong Kong-Zhuhai-Macao Bridge project work as an evidence to support the practicability of the proposed mode. Significant contributions of this study is to propose a new management mode for MCP in construction industry, which would enrich the body of knowledge or the construction management community.Future research should be dedicated to further explore the potential of smart construction site in MCP management.
文摘The Hong Kong-Zhuhai-Macao Bridge(HZMB)project,which has just been opened to traffic in 2018.The special location,construction conditions,quality requirements and multiple functions of HZMB brought many challenges,such as management,technology,safety and environmental protection.To meet these challenges and ensure the achievement of high quality and 120 years design service life,the HZMB project first introduced the completely new concept of"Large size,Factory production,Standardization and Assembly",which was fundamental to the design and construction.This was developed in consideration of the difficulties of the offshore environment.The core idea was Prefabrication and Assembly,which was to change this HZMB project into onshore work as much as possible by cutting this mega sea-crossing into large sized components,which could be prefabricated on land and then transported to the offshore site for assembly.The success of the HZMB undoubtedly has led the technology of prefabrication and assembly to a new height and recognized scale.This paper describes the implementation process of the concept;"Large size,Factory production,Standardization and Assembly"(LFSA)to the HZMB.
基金supported by the National Social Science Foundation of China(Grant No.22BGL008).
文摘Mega infrastructure projects(MIPs)play crucial roles in promoting social development,regional growth,and disaster and crisis resilience.These complex projects frequently face challenges in stakeholder management,which might be a risk for their sustainability.Hence,this paper proposes affordance theory as a new theoretical framework,particularly on the basis of understanding and managing MIPs.This paper aims to achieve three main objectives:1)conceptualizing MIP affordance,2)documenting the influence of MIP affordance on stakeholder management and project sustainability,and 3)developing strategies for managing MIP affordance.It applies critical realism to conceptualize MIP affordance and its mechanism,and employs the expectation-confirmation theory to identify critical determinants for managing MIP affordance.The paper thus provides new knowledge and insights into the management of MIP stakeholders concerning project sustainability.
基金supported by the National Natural Science Foundation of China(grant no.41941017)the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(grant no.2019QZKK0900).
文摘History has shown that mega engineering projects co-evolve with advancements in fundamental science.For instance,new research opportunities encountered inNational Aeronautics and Space Administration’s(NASA’s)Apollo Project led to the formulation of system science,and the development of sea-floor drilling for submarine oil exploration provided key evidence for the theory of plate tectonics.Today,there are high expectations that new data sources and technologies,such as big data,artificial intelligence,and digital twins,will bring about a step change in Earth SystemScience(ESS).1 Consequently,the ESS community anticipates the availability of broader,deeper,and higher-resolution data,complemented by longer time series than are currently available.2 Theworld’smost challenging plateau railway,named the Sichuan-Tibet railway(STR)project,aligns well with these emerging scientific requirements.
文摘An ambitious program of High-Speed Railway (HSR) is under construction in China and already soon the network will overtake its counterparts in Europe. Reflecting on experiences in Europe, the authors explore the conditions for place making qualities of six new HSR station areas in China. The superb inter-city connectivity of the new infrastructure nodes raises a lot of expectations about the economic and social potential of the station areas, but the experiences in Europe thus far are very differentiated. With regards to the attraction of economic activities usually the existing differences between different economic regions are reproduced rather than shaping completely new conditions. Also the expectations of developing completely new integrated urban centers around stations in the urban periphery are rather ambitious. The paper questions the planning responses to HSR development in Chinese cities and investigates the institutional conditions that frame these responses. The authors explore how the plans for Chinese HSR station development account for their objectives and reflect on the potential of the station area planning by investigating the institutional parameters of urban development.
