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Robust optimization model for traceable procurement of construction materials considering contract claims 考虑合同索赔的建筑材料可追溯采购的稳健优化模型
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-11-06 DOI: 10.1016/j.autcon.2024.105847
{"title":"Robust optimization model for traceable procurement of construction materials considering contract claims","authors":"","doi":"10.1016/j.autcon.2024.105847","DOIUrl":"10.1016/j.autcon.2024.105847","url":null,"abstract":"<div><div>In claim contracts, project owners and contractors set negotiated prices and exemption amounts for price adjustments to deal with the uncertainty of material prices, which is often overlooked in the optimization of procurement strategies. Therefore, considering contract claims, this paper constructs an optimization model for contractors’ traceable procurement strategies to address the multi-stage, multi-source procurement issue. A robust optimization model is used to consider the uncertainty of procurement prices, and the robust parameter is set to flexibly control the robustness of the solutions. The results indicate that contractors with different risk attitudes have the same preference for the exemption amount, but they exhibit varying sensitivities to the exemption amount and also have different preferences regarding the negotiated price. Furthermore, the study reveals that negotiated price exerts an anchoring effect on the procurement strategies of contractors.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142594139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rutting extraction from vehicle-borne laser point clouds 从车载激光点云中提取车辙
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-11-05 DOI: 10.1016/j.autcon.2024.105853
{"title":"Rutting extraction from vehicle-borne laser point clouds","authors":"","doi":"10.1016/j.autcon.2024.105853","DOIUrl":"10.1016/j.autcon.2024.105853","url":null,"abstract":"<div><div>Rutting is a type of structural road damage that seriously affects traffic safety, and rutting conditions are typically analyzed only from a two-dimensional cross-sectional perspective. Rutting detection currently lacks directional features and trends along the traveling direction. To address this issue, this paper develops a rutting extraction methodology from vehicle-borne laser point clouds to reflect the actual rutting conditions. The proposed method locates rutting points from cross-sectional data and further integrates the spatial correlation information of continuous cross sections to accurately extract dangerous rutting regions and longitudinal feature lines. Comprehensive experiments show that the Recall and Precision of rutting extraction are higher than 85 % and 90 % respectively, while also exhibiting higher robustness compared to other methods. These results demonstrate the effectiveness and accuracy of the proposed method for rutting extraction in large-scale road scenes. Future research will focus on deep learning-based road damage monitoring and provide valuable references for traffic management, road maintenance, and safety.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142586349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-supervised monocular depth estimation on construction sites in low-light conditions and dynamic scenes 低光照条件和动态场景下建筑工地的自监督单目深度估计
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-11-05 DOI: 10.1016/j.autcon.2024.105848
{"title":"Self-supervised monocular depth estimation on construction sites in low-light conditions and dynamic scenes","authors":"","doi":"10.1016/j.autcon.2024.105848","DOIUrl":"10.1016/j.autcon.2024.105848","url":null,"abstract":"<div><div>Estimating construction scene depth from a single image is crucial for various downstream tasks. Self-supervised monocular depth estimation methods have recently achieved impressive results and demonstrated state-of-the-art performance. However, the low-light conditions and dynamic scenes on construction sites pose significant challenges to these methods, hindering their practical deployment. Therefore, an architecture called LLD-Depth is presented to address these challenges, including an improved ForkGAN model to generate paired low-light images from clear-day images, a new unifying learning method for accurately estimating monocular depth, motion flow, camera ego-motion, and its intrinsic parameters, as well as a training framework to estimate monocular depth under both low-light and clear-day conditions effectively. Finally, the effectiveness of monocular depth estimation in construction scenes is verified. LLD-Depth brings 16.67% and 20.17% gain in relative mean error for clear-day and low-light scenes and 2.60% and 1.80% gain in average order accuracy, achieving state-of-the-art performance.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142586350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automated reinforcement of 3D-printed engineered cementitious composite beams 自动加固 3D 打印工程水泥基复合梁
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-11-02 DOI: 10.1016/j.autcon.2024.105851
{"title":"Automated reinforcement of 3D-printed engineered cementitious composite beams","authors":"","doi":"10.1016/j.autcon.2024.105851","DOIUrl":"10.1016/j.autcon.2024.105851","url":null,"abstract":"<div><div>The advancement of emerging 3D concrete printing (3DCP) has been hindered by two significant challenges: the weak tensile properties of conventional concrete and the difficulty of simultaneously placing reinforcement during printing. In this paper, engineered cementitious composites (ECC) with superior tensile properties along with an in-process reinforcement technique through laying CFRP meshes between ECC layers were strategically composited. Four-point bending tests were performed on 3DP-ECC beams reinforced with different layers and configurations of CFRP mesh. Experimental results demonstrated that CFRP meshes can deform collaboratively with ECC, and enhance the load bearing capacity of 3DP-ECC beams to 1.22–2.01 times compared to that of unreinforced beam, while moderately decrease the deformation capacity of printed beams. A theoretical model for predicting the load bearing capacity and bending moment-curvature relationship of 3DP-ECC beams was further proposed. This paper validated the feasibility and effectiveness of CFRP mesh in reinforcing 3DP-ECC beams for efficient 3DCP construction.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142573399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decision support for railway track facility management using OpenBIM 利用 OpenBIM 为铁路轨道设施管理提供决策支持
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-31 DOI: 10.1016/j.autcon.2024.105840
{"title":"Decision support for railway track facility management using OpenBIM","authors":"","doi":"10.1016/j.autcon.2024.105840","DOIUrl":"10.1016/j.autcon.2024.105840","url":null,"abstract":"<div><div>Despite rapid advancements in track condition assessment technologies, current railway track facility management (FM) often results in cost-ineffectiveness as well as maintenance- and operation-inefficient outcomes. However, the challenges in current practice and the requirements for enhancing track FM decision-making processes have not been identified in a comprehensive and structured manner by any existing study. To address this gap, case studies and interviews were conducted to identify the challenges, along with the necessary information and functions. Based on these findings, a conceptual decision-support framework for railway track FM, utilizing openBIM, was proposed. This framework addresses data integration, track condition diagnosis, root cause identification considering the interrelationships among multiple components, long-term deterioration prediction, and FM plan optimization. A focus group interview was also conducted, and existing studies were examined to validate the proposed framework, which was found to support informed decision-making for railway track FM, thereby enhancing predictive maintenance.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Continuous compaction control of subgrade bases using intelligent compaction measurement values with dynamic cone penetrometer and light weight deflectometer 利用动态圆锥透度计和轻质变形计的智能压实测量值对路基路面进行连续压实控制
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-30 DOI: 10.1016/j.autcon.2024.105835
{"title":"Continuous compaction control of subgrade bases using intelligent compaction measurement values with dynamic cone penetrometer and light weight deflectometer","authors":"","doi":"10.1016/j.autcon.2024.105835","DOIUrl":"10.1016/j.autcon.2024.105835","url":null,"abstract":"<div><div>To address the challenges associated with continuous compaction control (CCC), this paper investigates a CCC framework that incorporates dynamic cone penetration (DCP) and lightweight deflectometer (LWD). Field tests were conducted on 12 strip-shaped and two rectangular embankments. The compaction meter value (CMV) exhibited a linear correlation with the DCP and LWD test results (DPI and <em>E</em><sub><em>LWD</em></sub>). The optimal region of interest (ROI) sizes for the linear regression analysis between CMV and DPI and <em>E</em><sub><em>LWD</em></sub> were 2.0 m and 3.0 m, respectively. However, in areas where roller-related factors change or when the drum operating behavior is in the double-jump mode, the CMV exhibited significant low values; CCC measurements alone were not sufficient to evaluate the ground stiffness. A framework that incorporates DCP and LWD along with CCC was proposed, and it is believed that the CCC measurements with DCP and LWD more accurately represent the ground stiffness of the rectangular embankment.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Digital twin technology for road pavement 路面数字孪生技术
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-30 DOI: 10.1016/j.autcon.2024.105826
{"title":"Digital twin technology for road pavement","authors":"","doi":"10.1016/j.autcon.2024.105826","DOIUrl":"10.1016/j.autcon.2024.105826","url":null,"abstract":"<div><div>In recent years, the concept of Digital Twins (DT) has emerged as a promising solution for real-time monitoring and proactive maintenance of complex engineering systems. This systematic review paper provides a comprehensive overview of the current state-of-the-art in DT technology for road pavement. The paper aims to bridge the gap between the theoretical physic-based model and DT and its practical implementation in road pavement. Through a rigorous review of the literature, this study identifies the key components, challenges, and opportunities associated with the utilization of DT for road pavement. The results show that road pavement DT research is still scarce and that only a few use cases in pavement reactive maintenance have attracted the attention of the scientific community. By synthesizing the findings of this study, the paper offers insights into the prospects of DT in revolutionizing pavement proactive maintenance practices and enabling more efficient and sustainable road infrastructure.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation-based planning of earthmoving equipment for reducing greenhouse gas (GHG) emissions 基于仿真的土方设备规划，减少温室气体排放
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-30 DOI: 10.1016/j.autcon.2024.105841
{"title":"Simulation-based planning of earthmoving equipment for reducing greenhouse gas (GHG) emissions","authors":"","doi":"10.1016/j.autcon.2024.105841","DOIUrl":"10.1016/j.autcon.2024.105841","url":null,"abstract":"<div><div>Large-scale earthmoving operations, common in mining excavation, contribute significantly to Greenhouse Gas (GHG) emissions. This paper introduces a simulation-based system aimed at quantifying these emissions and identifying practical and achievable steps for reducing them. The system we developed considers site-specific factors, including equipment specifications, topography, route, and weather conditions. Notably, it enables ‘what-if’ scenario analyses, allowing us to evaluate the impact of different parameters on emissions. The system’s unique feature is the optimal allocation of resources through an intelligent decision-making system, which reduced GHG emissions by approximately 7.6% in the case study. Turning off equipment during idle periods further decreases emissions by up to 11.3%. These findings highlight the potential of operational adjustments in mitigating the environmental impact of earthmoving projects.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fractional-order composite sliding mode control for 4-DOF tower crane systems with given-performance 具有给定性能的 4-DOF 塔式起重机系统的分数阶复合滑模控制
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-30 DOI: 10.1016/j.autcon.2024.105832
{"title":"Fractional-order composite sliding mode control for 4-DOF tower crane systems with given-performance","authors":"","doi":"10.1016/j.autcon.2024.105832","DOIUrl":"10.1016/j.autcon.2024.105832","url":null,"abstract":"<div><div>Construction tower cranes exhibit significant nonlinear characteristics and high flexibility due to limited control input, posing major challenges for controller design and stability analysis. To achieve anti-sway control while constraining system variables within a safe range, a new given-performance anti-sway control strategy has been successfully developed by combining composite sliding mode control with fractional calculus. Specifically, advanced Mittag-Leffler stability and fractional-order relevant theories are introduced to prove the convergence of the composite sliding surface and all state variables to zero. Time delay information estimates uncertainties, eliminating the requirement of prior knowledge of the upper bound of uncertainty in traditional sliding mode control. The introduced performance function strictly constraints both the actuated and underactuated variables to ensure the given-performance, namely, the actual transient-state and steady-state control performance of the system can be quantitatively predetermined according to practical application requirements. Finally, the superior performance of the method is verified through experiments.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BIM-integrated semantic framework for construction waste quantification and optimisation 用于建筑垃圾量化和优化的 BIM 集成语义框架
IF 9.6 1区 工程技术
Automation in Construction Pub Date : 2024-10-30 DOI: 10.1016/j.autcon.2024.105842
{"title":"BIM-integrated semantic framework for construction waste quantification and optimisation","authors":"","doi":"10.1016/j.autcon.2024.105842","DOIUrl":"10.1016/j.autcon.2024.105842","url":null,"abstract":"<div><div>Quantification and optimisation of Construction Waste (CW) in the design stages are vital to implementing preventive CW management measures. Previous ICT-integrated CW models are not efficiently upscaled to achieve an interoperable and automated workflow. Therefore, this paper presents a BIM-integrated semantic framework for CW quantification and optimisation from the early design stages. A CW data model using Semantic-Web-Technologies (SWT) was developed and integrated with BIM. The results proved that unified data structure, standardised and granular information, established semantic relationships between building material and CW data, and diverse measurement units proposed in the framework facilitate seamless and dynamic information flows between BIM and CW platforms. The research outcomes are critical to improving interoperability and automation across the CW assessment process, enhancing the accuracy and reliability of results, supporting timely and integrated decision-making, and easing communication and collaboration among the supply-chain members. A test-case building demonstrates the application of the framework.</div></div>","PeriodicalId":8660,"journal":{"name":"Automation in Construction","volume":null,"pages":null},"PeriodicalIF":9.6,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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