Geometric quality assessment of precast concrete (PC) elements based on 3D structural light scanning

IF 2.7 4区工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY Architectural Engineering and Design Management Pub Date : 2023-10-09 DOI:10.1080/17452007.2023.2264300

Chen Wang, Fengyu Gao, Benben Cui, Merit M. Huang, Mabao Wu, Lulu Mao, Anmin Zheng

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Abstract

ABSTRACTThe geometric quality of precast concrete (PC) elements is critical in the construction and management of prefabricated construction. However, traditional manual inspection is time-consuming, inaccurate and costly. Therefore, an effective and low-cost non-contact inspection method is needed to support the geometric quality inspection of PC elements as a way to improve inspection efficiency and accuracy. In this study, an intuitive, effective and inexpensive geometric quality inspection method is proposed to evaluate the geometric quality of PC elements using 3D structural light scanning technology. The proposed method fits the point cloud data model of PC elements to the design model, visualizes the range of dimensional deviation of the whole element by the generated deviation chromatogram, and then evaluates the overall geometric quality of PC elements based on the local absolute deviation distance and the average deviation distance. The evaluation results classify PC elements into qualified products, partially unqualified products and severely defective products, which can be directly used to guide the treatment of unqualified products. The method is highly integrated with realistic construction and has a strong practical value. This study enriches the means of assessing the geometric quality of PC elements and shows potential for implementation in real practice.KEYWORDS: Geometric quality assessmentstructural light scanningprecast concretedeviation chromatogram‌3D reconstruction AcknowledgementsThe authors gratefully acknowledge the financial support provided by the Fujian Provincial Department of Science and Technology (Grant Number: 2021I0014) and the Xiamen Municipal Construction Bureau (Grant Number: XJK2022-1-7).Disclosure statementNo potential conflict of interest was reported by the author(s).

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基于三维结构光扫描的预制混凝土构件几何质量评价

摘要预制混凝土构件的几何质量对装配式建筑的施工和管理至关重要。然而，传统的人工检测费时、不准确且成本高昂。因此，需要一种有效的、低成本的非接触检测方法来支持PC元件的几何质量检测，以提高检测效率和精度。本文提出了一种基于三维结构光扫描技术的PC构件几何质量评价的直观、有效、廉价的几何质量检测方法。该方法将PC元素的点云数据模型拟合到设计模型中，通过生成的偏差谱图可视化整个元素的尺寸偏差范围，然后基于局部绝对偏差距离和平均偏差距离对PC元素的整体几何质量进行评价。评价结果将PC元件分为合格品、部分不合格品和严重不合格品，可直接用于指导不合格品的处理。该方法与实际施工高度结合，具有较强的实用价值。本研究丰富了PC构件几何质量的评价方法，显示了在实际应用中的应用潜力。作者感谢福建省科学技术厅(批准号:2021I0014)和厦门市建设局(批准号:XJK2022-1-7)对本文的资助。披露声明作者未报告潜在的利益冲突。

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来源期刊

Architectural Engineering and Design Management Multiple-

CiteScore

5.80

自引率

3.40%

发文量

期刊介绍： Informative and accessible, this publication analyses and discusses the integration of the main stages within the process of design and construction and multidisciplinary collaborative working between the different professionals involved. Ideal for practitioners and academics alike, Architectural Engineering and Design Management examines specific topics on architectural technology, engineering design, building performance and building design management to highlight the interfaces between them and bridge the gap between architectural abstraction and engineering practice. Coverage includes: -Integration of architectural and engineering design -Integration of building design and construction -Building design management; planning and co-ordination, information and knowledge management, vale engineering and value management -Collaborative working and collaborative visualisation in building design -Architectural technology -Sustainable architecture -Building thermal, aural, visual and structural performance -Education and architectural engineering This journal is a valuable resource for professionals and academics (teachers, researchers and students) involved in building design and construction, including the following disciplines: -Architecture -Building Engineering -Building Service Engineering -Building Physics -Design Management and Design Coordination -Facilities Management Published papers will report on both fundamental research dealing with theoretical work and applied research dealing with practical issues and industrial innovations. In this way, readers explore the interaction between technical considerations and management issues.