大体积混凝土BIM智能温控系统及方法研究  

Research on BIM Intelligent Temperature Control System and Method for Mass Concrete

作　　者：王伟[1] 刘幸福[1] 刘爱林 WANG Wei;LIU Xingfu;LIU Ailin(China Railway Major Bridge Engineering Group Co.Ltd,Wuhan,Hubei 430034,China;State Key Laboratory of Bridge Intelligent and Green Construction,Wuhan,Hubei 430034,China)

机构地区：[1]中铁大桥局集团有限公司,武汉430034 [2]桥梁智能与绿色建造全国重点实验室,武汉430034

出　　处：《铁道工程学报》2024年第9期77-80,86,共5页Journal of Railway Engineering Society

基　　金：交通基础设施智慧建造平台研发与工程示范(SQ2020YFF0410840);湖北省重大专项(2020ACA006-03-03)。

摘　　要：研究目的:针对超高主塔大体积混凝土在施工过程中易因混凝土温度超限导致裂缝的问题,研究BIM智能温度控制系统及方法,选择REVIT软件建模并与大数据平台二次集成开发,利用4G无线网络通信设备、工业集成软件服务器和计算机等建立智能温控系统,并搭载人工智能控制算法,进行大体积混凝土全过程温度的超前预测和智能决策。研究结论:(1)建立了大体积混凝土原材料及出机温度监控子系统、混凝土入模及硬化过程温度监控子系统,通过4G无线传输接收测温元件数据,对混凝土施工全过程温度进行动态监测;(2)在BIM模型中标记测温点位置和同步直观反映温度变化,并进行超限预警;(3)对大体积混凝土的出机温度、入模温度及硬化过程温度进行超前预测和智能决策,提供原材料温度控制、水冷系统控制等系列决策手段,确保施工过程温度满足规范要求;(4)本文所述控制系统及方法已成功应用于马鞍山公铁两用长江大桥超高主塔大体积混凝土温控中,取得良好应用效果。Research purposes:For the problem that the mass concrete of the ultra-high main tower is prone to crack due to the excessive temperature of the concrete in the construction process,BIM intelligent temperature control system and the method are studied,the REVIT software is selected for modeling and secondary integrated development with big data platform,and the intelligent temperature control system is established by using 4G wireless network communications equipment,industrial integration server and computer software.Moreover,it is equipped with artificial intelligence control algorithm to make advance prediction and intelligent decision of the whole process temperature of mass concrete.Research conclusions:(1)The temperature monitoring subsystem of mass concrete raw materials and outgoing machine,and the temperature monitoring subsystem of concrete mold entering and hardening process are established,which can dynamically monitor the temperature of the whole process of concrete construction through 4G wireless transmission and reception of temperature measuring element data.(2)The position of temperature measurement points is marked in the BIM model and the temperature change is visually reflected synchronously,and the overrun warning is carried out.(3)Advance prediction and intelligent decision are made on the temperature of outgoing machine,entering mold and hardening process of mass concrete,and a series of decision methods are provided such as raw material temperature control and water-cooling system control to ensure that the temperature of construction process meets the specification requirements.(4)The control system and method have been applied in the mass concrete temperature control of the ultra-high main tower of the Yangtze River Bridge with highway and railway in Ma'anshan,and achieved good application results.

关 键 词：BIM 二次集成 超高主塔 智能温控系统 超前预测 智能决策 入模温度 

分 类 号：U213.2[交通运输工程—道路与铁道工程]