In this paper,the intelligent construction of prefabricated components is analyzed based on building information modeling(BIM).It includes an overview of BIM-based prefabricated components and intelligent construction...In this paper,the intelligent construction of prefabricated components is analyzed based on building information modeling(BIM).It includes an overview of BIM-based prefabricated components and intelligent construction,intelligent production lines in BIM-based intelligent construction systems,and analysis of the application of intelligent manufacturing in BIM-based prefabricated components.It was found that the determination of construction goals,the establishment of intelligent construction systems,and the application of intelligent construction systems are all areas that need to be emphasized in producing prefabricated building components through intelligent construction.It is hoped that this analysis can provide some reference for the application of intelligent construction and the improvement of the quality of prefabricated building components.展开更多
Compared with traditional cast-in-situ concrete slab culverts,prefabricated reinforced concrete slab culverts can be produced more quickly and has strong quality controllability,strong earthquake resistance,and repeat...Compared with traditional cast-in-situ concrete slab culverts,prefabricated reinforced concrete slab culverts can be produced more quickly and has strong quality controllability,strong earthquake resistance,and repeatability.They will be the primary production method of slab culverts in the future.This article offers a comprehensive review of the design and construction technology associated with prefabricated reinforced concrete slab culverts.The objective is to provide a valuable reference for related enterprises,enhance the quality of design and construction in precast pile configuration,and,in turn,contribute to the advancement of construction projects within our country.展开更多
To concentrate on cultivating prefabricated construction talents for architectural design majors in vocational colleges in China,we should adhere to the basic principles of professional coordinated development and int...To concentrate on cultivating prefabricated construction talents for architectural design majors in vocational colleges in China,we should adhere to the basic principles of professional coordinated development and integration of production,teaching,and research to determine the teaching objectives and contents,set up a double-teacher teaching team,and provide sufficient resources and funds.Specifically,it is necessary to optimize the curriculum system with the guidance of professional groups,create teaching situations with information platforms,introduce Building Information Modeling(BIM)technology to connect with the actual situation,adhere to the combination of education and training to improve the practice mechanism of school-enterprise cooperation,deepen the integration pattern of post-course certificate competition,and follow the ideological and political teaching route of professional course to realize the comprehensive improvement of students’knowledge,skills,and professional quality.展开更多
With the continuous improvement of urban residents’lives,the demand for of urban infrastructure construction increases,requiring more and more advanced engineering technology.We should not only speed up the progress ...With the continuous improvement of urban residents’lives,the demand for of urban infrastructure construction increases,requiring more and more advanced engineering technology.We should not only speed up the progress of the project,but also reduce the impact of the construction on the surrounding environment.Our company has had several achievements in this regard,and prefabricated open caisson construction process is one of them.In this paper,the application of prefabricated caisson construction method is analyzed in depth according to the actual situation of the rain sewage reconstruction treatment project of Minghe ecological water system in Dancheng County.Through practice,it is concluded that this construction method greatly improves the construction efficiency,shortens the overall construction process,reduces the construction cost,and effectively improves environmental quality of the construction site,which has good reference value.展开更多
This paper examines the application of polyurethane curing technology in the construction of railway track beds,with a specific focus on its implementation in China’s rapidly developing railway infrastructure.The stu...This paper examines the application of polyurethane curing technology in the construction of railway track beds,with a specific focus on its implementation in China’s rapidly developing railway infrastructure.The study begins by identifying the limitations of traditional ballasted track beds,especially under the demands of high-speed and heavyload railways.It then methodically analyzes the advantages of polyurethane-cured track beds,highlighting their improved mechanical properties,including enhanced stability and durability.The paper further explores the benefits of transitioning to prefabricated polyurethane track beds,emphasizing significant cost reductions,better construction quality,and enhanced maintainability.Through a detailed review of experimental data and practical applications,the paper demonstrates the efficacy of polyurethane track beds in various railway settings.A critical part of the research involves optimizing the structural parameters of polyurethane track beds to achieve the best balance of mechanical and damping properties.The conclusion of the paper underscores the potential of polyurethane curing technology as a transformative approach to railway track bed construction,offering a solution to the challenges posed by traditional methods and aligning with the evolving needs of modern railways.展开更多
为有效延长城市快速公交系统(BRT)站台铺装层的使用寿命并提升正交异性钢桥面板的抗疲劳性能,同时满足不中断交通的需求,提出了“正交异性钢桥面板+短剪力钉+预制超高性能混凝土(UHPC)板+TPO(薄层环氧抗滑铺装材料)”的复合桥面结构及...为有效延长城市快速公交系统(BRT)站台铺装层的使用寿命并提升正交异性钢桥面板的抗疲劳性能,同时满足不中断交通的需求,提出了“正交异性钢桥面板+短剪力钉+预制超高性能混凝土(UHPC)板+TPO(薄层环氧抗滑铺装材料)”的复合桥面结构及装配化施工工艺。以成都二环线高架桥BRT站台为工程背景,设计了BRT站台铺装层快速维修方案,通过有限元分析确定了最优方案,并开展了BRT站台钢桥面维修改造试验段的实施。有限元分析结果表明:10 mm UHPC灌浆料+50 mm预制UHPC板+10 mm TPO为最佳方案,维修方案的剪力钉受力性能、UHPC抗裂性能均满足结构受力需求,且具有较大的安全储备,改造后正交异性钢桥面板常见疲劳敏感细节的疲劳性能显著提升。结合试验段实施提出了涵盖UHPC板预制、原铺装层处理、预制UHPC板安装和磨耗层与沥青接缝施工4个流程的城市BRT站台铺装层维修施工工艺,为同类型公交站台铺装层维护提供了理论和技术支撑。展开更多
文摘In this paper,the intelligent construction of prefabricated components is analyzed based on building information modeling(BIM).It includes an overview of BIM-based prefabricated components and intelligent construction,intelligent production lines in BIM-based intelligent construction systems,and analysis of the application of intelligent manufacturing in BIM-based prefabricated components.It was found that the determination of construction goals,the establishment of intelligent construction systems,and the application of intelligent construction systems are all areas that need to be emphasized in producing prefabricated building components through intelligent construction.It is hoped that this analysis can provide some reference for the application of intelligent construction and the improvement of the quality of prefabricated building components.
文摘Compared with traditional cast-in-situ concrete slab culverts,prefabricated reinforced concrete slab culverts can be produced more quickly and has strong quality controllability,strong earthquake resistance,and repeatability.They will be the primary production method of slab culverts in the future.This article offers a comprehensive review of the design and construction technology associated with prefabricated reinforced concrete slab culverts.The objective is to provide a valuable reference for related enterprises,enhance the quality of design and construction in precast pile configuration,and,in turn,contribute to the advancement of construction projects within our country.
基金Chongqing Education Science Planning Topic:Chongqing Education Science“14th Five-Year Plan”2023 General Topic-Research on the Integration Path of Higher Vocational Education and General Education from the Perspective of Type Education(Project number:K23YG3150259)。
文摘To concentrate on cultivating prefabricated construction talents for architectural design majors in vocational colleges in China,we should adhere to the basic principles of professional coordinated development and integration of production,teaching,and research to determine the teaching objectives and contents,set up a double-teacher teaching team,and provide sufficient resources and funds.Specifically,it is necessary to optimize the curriculum system with the guidance of professional groups,create teaching situations with information platforms,introduce Building Information Modeling(BIM)technology to connect with the actual situation,adhere to the combination of education and training to improve the practice mechanism of school-enterprise cooperation,deepen the integration pattern of post-course certificate competition,and follow the ideological and political teaching route of professional course to realize the comprehensive improvement of students’knowledge,skills,and professional quality.
文摘With the continuous improvement of urban residents’lives,the demand for of urban infrastructure construction increases,requiring more and more advanced engineering technology.We should not only speed up the progress of the project,but also reduce the impact of the construction on the surrounding environment.Our company has had several achievements in this regard,and prefabricated open caisson construction process is one of them.In this paper,the application of prefabricated caisson construction method is analyzed in depth according to the actual situation of the rain sewage reconstruction treatment project of Minghe ecological water system in Dancheng County.Through practice,it is concluded that this construction method greatly improves the construction efficiency,shortens the overall construction process,reduces the construction cost,and effectively improves environmental quality of the construction site,which has good reference value.
文摘This paper examines the application of polyurethane curing technology in the construction of railway track beds,with a specific focus on its implementation in China’s rapidly developing railway infrastructure.The study begins by identifying the limitations of traditional ballasted track beds,especially under the demands of high-speed and heavyload railways.It then methodically analyzes the advantages of polyurethane-cured track beds,highlighting their improved mechanical properties,including enhanced stability and durability.The paper further explores the benefits of transitioning to prefabricated polyurethane track beds,emphasizing significant cost reductions,better construction quality,and enhanced maintainability.Through a detailed review of experimental data and practical applications,the paper demonstrates the efficacy of polyurethane track beds in various railway settings.A critical part of the research involves optimizing the structural parameters of polyurethane track beds to achieve the best balance of mechanical and damping properties.The conclusion of the paper underscores the potential of polyurethane curing technology as a transformative approach to railway track bed construction,offering a solution to the challenges posed by traditional methods and aligning with the evolving needs of modern railways.
文摘为有效延长城市快速公交系统(BRT)站台铺装层的使用寿命并提升正交异性钢桥面板的抗疲劳性能,同时满足不中断交通的需求,提出了“正交异性钢桥面板+短剪力钉+预制超高性能混凝土(UHPC)板+TPO(薄层环氧抗滑铺装材料)”的复合桥面结构及装配化施工工艺。以成都二环线高架桥BRT站台为工程背景,设计了BRT站台铺装层快速维修方案,通过有限元分析确定了最优方案,并开展了BRT站台钢桥面维修改造试验段的实施。有限元分析结果表明:10 mm UHPC灌浆料+50 mm预制UHPC板+10 mm TPO为最佳方案,维修方案的剪力钉受力性能、UHPC抗裂性能均满足结构受力需求,且具有较大的安全储备,改造后正交异性钢桥面板常见疲劳敏感细节的疲劳性能显著提升。结合试验段实施提出了涵盖UHPC板预制、原铺装层处理、预制UHPC板安装和磨耗层与沥青接缝施工4个流程的城市BRT站台铺装层维修施工工艺,为同类型公交站台铺装层维护提供了理论和技术支撑。
