Surface space constraints and the associated massive carbon emissions present significant challenges to the sustainable development of megacities.Urban underground space(UUS)construction is expected to provide a pract...Surface space constraints and the associated massive carbon emissions present significant challenges to the sustainable development of megacities.Urban underground space(UUS)construction is expected to provide a practical approach for alleviating the space constraints of surface construction.However,indepth examinations of the overall UUS system to reveal carbon emissions in the complex matrix are lacking.This study demonstrates the vital role of UUS development in achieving carbon neutrality using a streamlined life-cycle assessment method.Carbon emissions and the mitigation potential of building underground spaces,metro systems,and geothermal energy sources are analyzed.The construction of underground spaces in buildings is the largest carbon emitter within the entire UUS system,releasing a considerable 547.2 Mt in 2020.However,geothermal carbon sequestration,a significant element of the UUS system,provided an unexpected and impressive contribution,sequestering 170 Mt of carbon in 2020.This study shows that UUS addresses the lack of space for urban development and is a lowcarbon method of urban construction.Therefore,developing low-carbon building technologies and improving the UUS development model is imperative to achieving better low-carbon balance.This helps to promote more coordinated and sustainable urban development.展开更多
In the Eighth Five-Year Plan period,China’s construction undertaking developedrapidly,witnessing its greatest ever success.According to an official at the Ministry ofConstruction,the construction sector madegreat pro...In the Eighth Five-Year Plan period,China’s construction undertaking developedrapidly,witnessing its greatest ever success.According to an official at the Ministry ofConstruction,the construction sector madegreat progress in the construction of urbanareas,towns and villages,real estate andurban public facilities.展开更多
Nowadays,sustainability is one of the most important construction sector goals,as it is in most other sectors.However,sustainability in the construction sector is dealt mostly with its environmental and economic dimen...Nowadays,sustainability is one of the most important construction sector goals,as it is in most other sectors.However,sustainability in the construction sector is dealt mostly with its environmental and economic dimensions,and its social dimension remains in the background.This situation causes the Occupational Health and Safety(OHS),which is perhaps the most important issue within the scope of social sustainability,to be addressed on its own,and its relationship with sustainability to be not introduced clearly.This study discussed the relationship between social sustainability and OHS in the construction sector.Based on the fact that in construction projects,the sustainability goal should be revealed forward to a great extent at the design stage,how to contribute to OHS by budgeting OHS activities together with project activities was explained.We intended to contribute to the provision of OHS and thus the social sustainability of construction projects by revealing how the budgeting will be done and how much OHS budget will be,by referring to the studies in the literature conducted about OHS budgeting and presented robust numerical data.The study is expected to help construction sector stakeholders to understand the relationship between social sustainability and OHS and to provide a clear picture of the role of budgeting in this respect.展开更多
The construction sector is in need of further self-development due to recent innovations in technology.This is because the environmental problems which have been handled seriously all over the world in recent years,an...The construction sector is in need of further self-development due to recent innovations in technology.This is because the environmental problems which have been handled seriously all over the world in recent years,and studies related to the way of creating requirements and measures for healthy construction environments have been emphasized.For adoption of new technological construction products in that sector;a system which will encompass designers,contractors and users is required.For selection and widespread use of new technological products,the decision-making is not only sufficient but also cultural and socio-economic factors and conditions are gaining in importance.For the implementation and control of the new construction product assigned,a process of testing is required.The process of testing should be structured by allowing the use of new technological products in a system of continuous self-improvement by preventing the usage without change for a substantial amount of time.All of these processes have been examined within the scope of the doctoral thesis in model,which was developed for the adoption of technological innovation.In this study,the aim is to contribute to the creation of an appropriate adoption roadmap for constant self-renewal and self-improvement of construction environments,which are sensitive to the environment.展开更多
基金supported by the Shenzhen Science and Technology Plan(JCYJ20190808123013260).
文摘Surface space constraints and the associated massive carbon emissions present significant challenges to the sustainable development of megacities.Urban underground space(UUS)construction is expected to provide a practical approach for alleviating the space constraints of surface construction.However,indepth examinations of the overall UUS system to reveal carbon emissions in the complex matrix are lacking.This study demonstrates the vital role of UUS development in achieving carbon neutrality using a streamlined life-cycle assessment method.Carbon emissions and the mitigation potential of building underground spaces,metro systems,and geothermal energy sources are analyzed.The construction of underground spaces in buildings is the largest carbon emitter within the entire UUS system,releasing a considerable 547.2 Mt in 2020.However,geothermal carbon sequestration,a significant element of the UUS system,provided an unexpected and impressive contribution,sequestering 170 Mt of carbon in 2020.This study shows that UUS addresses the lack of space for urban development and is a lowcarbon method of urban construction.Therefore,developing low-carbon building technologies and improving the UUS development model is imperative to achieving better low-carbon balance.This helps to promote more coordinated and sustainable urban development.
文摘In the Eighth Five-Year Plan period,China’s construction undertaking developedrapidly,witnessing its greatest ever success.According to an official at the Ministry ofConstruction,the construction sector madegreat progress in the construction of urbanareas,towns and villages,real estate andurban public facilities.
文摘Nowadays,sustainability is one of the most important construction sector goals,as it is in most other sectors.However,sustainability in the construction sector is dealt mostly with its environmental and economic dimensions,and its social dimension remains in the background.This situation causes the Occupational Health and Safety(OHS),which is perhaps the most important issue within the scope of social sustainability,to be addressed on its own,and its relationship with sustainability to be not introduced clearly.This study discussed the relationship between social sustainability and OHS in the construction sector.Based on the fact that in construction projects,the sustainability goal should be revealed forward to a great extent at the design stage,how to contribute to OHS by budgeting OHS activities together with project activities was explained.We intended to contribute to the provision of OHS and thus the social sustainability of construction projects by revealing how the budgeting will be done and how much OHS budget will be,by referring to the studies in the literature conducted about OHS budgeting and presented robust numerical data.The study is expected to help construction sector stakeholders to understand the relationship between social sustainability and OHS and to provide a clear picture of the role of budgeting in this respect.
文摘The construction sector is in need of further self-development due to recent innovations in technology.This is because the environmental problems which have been handled seriously all over the world in recent years,and studies related to the way of creating requirements and measures for healthy construction environments have been emphasized.For adoption of new technological construction products in that sector;a system which will encompass designers,contractors and users is required.For selection and widespread use of new technological products,the decision-making is not only sufficient but also cultural and socio-economic factors and conditions are gaining in importance.For the implementation and control of the new construction product assigned,a process of testing is required.The process of testing should be structured by allowing the use of new technological products in a system of continuous self-improvement by preventing the usage without change for a substantial amount of time.All of these processes have been examined within the scope of the doctoral thesis in model,which was developed for the adoption of technological innovation.In this study,the aim is to contribute to the creation of an appropriate adoption roadmap for constant self-renewal and self-improvement of construction environments,which are sensitive to the environment.
