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基于区块链的建筑信息模型图纸多人协同创作系统
引用本文:申玉民,王金龙,胡殿凯,刘星宇. 基于区块链的建筑信息模型图纸多人协同创作系统[J]. 计算机应用, 2021, 41(8): 2338-2345. DOI: 10.11772/j.issn.1001-9081.2020101549
作者姓名:申玉民  王金龙  胡殿凯  刘星宇
作者单位:1. 青岛理工大学 信息与控制工程学院, 山东 青岛 266525;2. 铭数科技(青岛)有限公司, 山东 青岛 266041
基金项目:国家自然科学基金资助项目(61502262);山东省重点研发计划项目(2019GGX101017)。
摘    要:建筑信息模型(BIM)图纸多人协同创作在大型建筑项目中很重要,而现有的基于Revit等建模软件或云服务的BIM图纸多人协同创作方法存在BIM图纸版本混乱、不易溯源以及数据安全风险等问题.针对这些问题,设计了一种基于区块链的BIM图纸多人协同创作系统.该系统采用链上链下协同的存储方式,使用区块链和数据库分别存储BIM图纸...

关 键 词:区块链  建筑信息模型  协同创作  智能合约  数据安全
收稿时间:2020-10-09
修稿时间:2020-12-11

Multi-person collaborative creation system of building information modeling drawings based on blockchain
SHEN Yumin,WANG Jinlong,HU Diankai,LIU Xingyu. Multi-person collaborative creation system of building information modeling drawings based on blockchain[J]. Journal of Computer Applications, 2021, 41(8): 2338-2345. DOI: 10.11772/j.issn.1001-9081.2020101549
Authors:SHEN Yumin  WANG Jinlong  HU Diankai  LIU Xingyu
Affiliation:1. School of Information and Control Engineering, Qingdao University of Technology, Qingdao Shandong 266525, China;2. MingByte Technology(Qingdao) Company Limited, Qingdao Shandong 266041, China
Abstract:Multi-person collaborative creation of Building Information Modeling (BIM) drawings is very important in large building projects. However, the existing methods of multi-person collaborative creation of BIM drawings based on Revit and other modeling software or cloud service have the confusion of BIM drawing version, difficulty of traceability, data security risks and other problems. To solve these problems, a blockchain-based multi-person collaborative creation system for BIM drawings was designed. By using the on-chain and off-chain collaborative storage method, the blockchain and database were used to store BIM drawings information after each creation in the BIM drawing creation process and the complete BIM drawings separately. The decentralization, traceability and anti-tampering characteristics of the blockchain were used to ensure that the version of the BIM drawings is clear, and provide a basis for the future copyright division. These characteristics were also used to enhance the data security of BIM drawings information. Experimental results show that the average block generation time of the proposed system in the multi-user concurrent case is 0.467 85 s, and the maximum processing rate of the system is 1 568 transactions per second, which prove the reliability of the system and that the system can meet the needs of actual application scenarios.
Keywords:blockchain  Building Information Modeling (BIM)  collaborative creation  smart contract  data security  
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