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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

41卷

期数:

2024年04期

页码:

83-94

栏目:

建筑结构

出版日期:

2024-07-19

文章信息/Info

Title:

Study on dynamic scheduling of prefabricated building construction process based on digital twin

文章编号:

1673-2049(2024)04-0083-12

作者:

戴成元^1,2,梁邦勋²,程 可²,邹 敏²,刘其舟²

(1. 桂林理工大学 广西建筑新能源与节能重点实验室,广西 桂林 541004; 2. 桂林理工大学 土木工程学院,广西 桂林 541004)

Author(s):

DAI Chengyuan^1,2, LIANG Bangxun², CHENG Ke², ZOU Min², LIU Qizhou²

(1. Guangxi Key Laboratory of New Energy and Building Energy Saving, Guilin University of Technology, Guilin 541004, Guangxi, China; 2. School of Civil Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China)

关键词:

数字孪生;  装配式建筑;  动态调度;  施工调度;  BIM;  生成服务

Keywords:

digital twin;  prefabricated building;  dynamic scheduling;  construction scheduling;  BIM;  generating service

分类号:

TU721

DOI:

10.19815/j.jace.2022.09098

文献标志码:

A

摘要:

针对装配式建筑施工过程中调度方案实施影响因素多且不能及时调整的问题,提出一种基于数字孪生的装配式建筑项目施工过程动态调度方法。首先,建立施工过程数字孪生调度框架,在此基础上,结合装配式建筑的施工特点和数字孪生模型的要求,从施工基本活动、数字孪生编码体系、工序施工时间三方面进行分析和研究,构建装配式建筑施工调度数字孪生虚体模型,并对装配式建筑调度方案生成过程进行详细描述。然后,在分析装配式建筑施工调度内容的基础上,以项目施工工期最短为调度目标,考虑施工构件工序排序和资源选择问题,构建装配式建筑施工调度模型,并设计一种双层编码的遗传算法对其求解。最后,以某装配式建筑项目结构主体为例,模拟其施工过程的调度方案在生成和出现不确定因素后的动态调度,并利用装配式施工调度平台对调度方案进行可视化。结果表明:提出的方法将动态优化调度方案服务和施工进度偏差分析等关键技术结合,实现了装配式建筑施工调度方案优化,辅助可持续和动态的施工过程决策,验证了该方法的有效性和可行性。

Abstract:

Aiming at the problem that the scheduling program implementation has many influencing factors and cannot be adjusted in time during the construction process of prefabricated buildings, a dynamic scheduling method for the construction process of prefabricated building projects based on digital twin was proposed. Firstly, the construction process digital twin scheduling framework was established. On this basis, combined with the construction characteristics of prefabricated building and the requirements of the digital twin model, the basic construction activities, digital twin coding system, and process construction time were analyzed and studied, the prefabricated building construction scheduling digital twin dummy model was constructed, and the process of generating the scheduling plan for prefabricated building was described in detail. Then, based on the analysis of prefabricated building construction scheduling content, taking the shortest project construction duration as the scheduling goal, and considering the construction component process sequencing and resource selection problems, the prefabricated building construction scheduling model was constructed, and a genetic algorithm with two-layer coding was designed to solve it. Finally, taking the structural body of a prefabricated building project as an example, the generation of the scheduling plan and the dynamic scheduling after the emergence of uncertainties in its construction process were simulated, and visualization of the prefabricated construction scheduling platform was used. The results show that the proposed method combines the dynamic optimization of the scheduling plan service and the key technologies such as the analysis of the construction schedule deviation, which realizes the optimization of the construction scheduling plan of the prefabricated building, assists sustainable and dynamic construction process decision-making, and verifies the effectiveness and feasibility of the method.

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备注/Memo

备注/Memo:

收稿日期:2023-09-08
基金项目:国家自然科学基金项目(52068013); 广西自然科学基金项目(2022GXNSFAA035581); 广西建筑新能源与节能重点实验室基金项目(桂科能22-J-21-28)
作者简介:戴成元(1974-),男,副教授,E-mail:dcy366@126.com。

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更新日期/Last Update: 2024-07-20