4D技术的发展和应用给建设项目带来了巨大的效益,但目前用于4D模拟的3D模型一般在施工前创建,4D模拟的应用局限于施工前的计划阶段。为将4D模拟的应用扩展至项目施工阶段,对4D模拟的3D模型进行研究,着重对比分析施工模型和实时施工模型...4D技术的发展和应用给建设项目带来了巨大的效益,但目前用于4D模拟的3D模型一般在施工前创建,4D模拟的应用局限于施工前的计划阶段。为将4D模拟的应用扩展至项目施工阶段,对4D模拟的3D模型进行研究,着重对比分析施工模型和实时施工模型,研究BIM(Building Information Modeling,建筑信息模型)模型的自动创建技术。研究发现,自动化创建的BIM实时施工模型可以动态的跟踪项目进展情况,能提高模型的准确性和减少建模工作量。提出基于BIM实时施工模型的4D模拟,是一个动态的4D模拟过程,可作为项目施工全过程的动态控制的有效工具,能进一步提高建设项目的效率和效益。展开更多
It is important and difficult to control the temperature of mass concrete structure during high arch dam construction.A new method with decision support system is presented for temperature control and crack prevention...It is important and difficult to control the temperature of mass concrete structure during high arch dam construction.A new method with decision support system is presented for temperature control and crack prevention.It is a database system with functions of data storage,information inquiry,data analysis,early warning and resource sharing.Monitoring information during construction can be digitized via this system,and the intelligent analysis and dynamic control of concrete temperature can be conducted.This method has been applied in the construction of the Dagangshan Arch Dam in China and has proven to be very convenient.Based on the decision support of this system and the dynamic adjustment of construction measures,the concrete temperature of this project is well-controlled.展开更多
Based on the analysis of different requirements of energy management center construction and the data acquisition of various industries in wide area network, as well as the practices of real-lime online system, the pa...Based on the analysis of different requirements of energy management center construction and the data acquisition of various industries in wide area network, as well as the practices of real-lime online system, the paper puts forward the construction scheme of regional energy management center （REMC） which can achieve real time online monitoring of organizations＇ energy consumption via data collection, and also proposes the design idea of energy data acquisition based on national standards.展开更多
文摘4D技术的发展和应用给建设项目带来了巨大的效益,但目前用于4D模拟的3D模型一般在施工前创建,4D模拟的应用局限于施工前的计划阶段。为将4D模拟的应用扩展至项目施工阶段,对4D模拟的3D模型进行研究,着重对比分析施工模型和实时施工模型,研究BIM(Building Information Modeling,建筑信息模型)模型的自动创建技术。研究发现,自动化创建的BIM实时施工模型可以动态的跟踪项目进展情况,能提高模型的准确性和减少建模工作量。提出基于BIM实时施工模型的4D模拟,是一个动态的4D模拟过程,可作为项目施工全过程的动态控制的有效工具,能进一步提高建设项目的效率和效益。
基金Supported by the National Natural Science Foundation of China(No.50909078)the National Basic Research Program of China("973"Program,No.2013CB035900)
文摘It is important and difficult to control the temperature of mass concrete structure during high arch dam construction.A new method with decision support system is presented for temperature control and crack prevention.It is a database system with functions of data storage,information inquiry,data analysis,early warning and resource sharing.Monitoring information during construction can be digitized via this system,and the intelligent analysis and dynamic control of concrete temperature can be conducted.This method has been applied in the construction of the Dagangshan Arch Dam in China and has proven to be very convenient.Based on the decision support of this system and the dynamic adjustment of construction measures,the concrete temperature of this project is well-controlled.
文摘Based on the analysis of different requirements of energy management center construction and the data acquisition of various industries in wide area network, as well as the practices of real-lime online system, the paper puts forward the construction scheme of regional energy management center （REMC） which can achieve real time online monitoring of organizations＇ energy consumption via data collection, and also proposes the design idea of energy data acquisition based on national standards.
