Infrastructure Asset Management最新文献

Decision-making for road infrastructures in a network based on a policy gradient method 基于政策梯度法的网络道路基础设施决策

IF 0.7

Infrastructure Asset Management Pub Date : 2024-05-15 DOI: 10.1680/jinam.23.00045

K. Sasai, Luc Chouinard, Gabriel J. Power, David Conciatori, Nicolas Zufferey

引用次数: 0

Data acquisition method for digital construction site of large foundation pit engineering 大型基坑工程数字化施工现场的数据采集方法

IF 0.7

Infrastructure Asset Management Pub Date : 2024-05-11 DOI: 10.1680/jinam.23.00059

Yueyue Zhang, Liu Yang

{"title":"Data acquisition method for digital construction site of large foundation pit engineering","authors":"Yueyue Zhang, Liu Yang","doi":"10.1680/jinam.23.00059","DOIUrl":"https://doi.org/10.1680/jinam.23.00059","url":null,"abstract":"To ensure the construction safety of large foundation pit engineering (FPE) and optimize the data collection method, this paper applies sensors and automatic collection items to automatic data collection based on traditional manual measurement. Data processing and analysis are carried out through the large FPE detection system construction. In the early warning module, the improved Grey Model (GM) (1,1), namely the improved method G, is used to predict the settlement of buildings around the monitoring project, and its reliability is analyzed. The improved method G has a good test result. Compared with method G and the Autoregressive Integrated Moving Average model (ARIMA), the improved Method G has a better prediction effect and smaller prediction error. When compared with method G, the mean absolute error (MAE) of the method used in the paper is smaller, which is −0.01. The root mean square value of absolute error is smaller, which is 0.0.54 less than method G. Compared with the ARIMA model, the average RE of the method used in this paper is 3.97%, which is 0.05% less than that. This method can be used to collect and predict data on large foundation pit (FP) construction sites, which is conducive to ensuring construction safety.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140988648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Economic life cycle model for the cost of power grid line engineering project 电网线路工程项目成本的经济生命周期模型

IF 0.7

Infrastructure Asset Management Pub Date : 2024-04-10 DOI: 10.1680/jinam.23.00039

Xia Qi, Xu Ma, Xiaoman Zhang, Zhenyu Zhao

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Automation and digitalization of transport forwarding services or logistics 运输转运服务或物流的自动化和数字化

IF 0.7

Infrastructure Asset Management Pub Date : 2024-04-04 DOI: 10.1680/jinam.23.00050

Ramil Gizetdinov

{"title":"Automation and digitalization of transport forwarding services or logistics","authors":"Ramil Gizetdinov","doi":"10.1680/jinam.23.00050","DOIUrl":"https://doi.org/10.1680/jinam.23.00050","url":null,"abstract":"With the spread of globalization, the transition of various states to common standards, including in the field of international freight transportation, becomes especially relevant. At the same time, digitalization, that is, the transfer of document flow, accounting, and payments to electronic format, as well as remote security and maintenance of logistics centres, are necessary components of such a process. The purpose of this work is to find out the effectiveness of logistics on the example of the countries that are members of the Commonwealth of Independent States, as well as the United States of America, to compare them and identify key trends in the development of the field of road freight transport. In the work, methods of statistical analysis and forecasting were applied, graphs of the Logistics Efficiency Index for the countries studied were drawn up and the most promising international transport and logistics projects were identified. As a result, logistics performance indices were obtained in the context of indicators from 2007 to 2023, the average Commonwealth indicator was determined and compared with a similar indicator of the United States. Also, key innovations in the field of transport services were considered, allowing Western companies to have a significant advantage in the development of logistics efficiency. The prospects of the Commonwealth countries in the leading Eurasian transport corridors and the advantages of such integration in comparison with intra-union projects were determined. The practical significance of the work lies in determining the current guidelines for the development of the logistics and freight transport sectors after a significant change in the balance of power on the Eurasian continent and the introduction of a wide range of economic sanctions that paralysed a number of previously promising strategic areas.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140744637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Local infrastructure governance in Peru – a systems thinking appraisal 秘鲁地方基础设施治理--系统思维评估

IF 0.7

Infrastructure Asset Management Pub Date : 2024-03-26 DOI: 10.1680/jinam.22.00037

Alain J Espinoza Vigil, N. Carhart

{"title":"Local infrastructure governance in Peru – a systems thinking appraisal","authors":"Alain J Espinoza Vigil, N. Carhart","doi":"10.1680/jinam.22.00037","DOIUrl":"https://doi.org/10.1680/jinam.22.00037","url":null,"abstract":"Ensuring the through-life quality of infrastructure systems is a fundamental instrument in providing economic development and enhancing quality of life. The complexity of infrastructure networks themselves, the operations of the public entities which manage them and the governance systems which oversee them make this a challenging activity. This research uses the city of Arequipa in Peru as a case study to bridge the knowledge gap on the behaviour of such municipalities regarding the management of infrastructure systems. It employs qualitative Systems Dynamics Modelling through a methodology based on the V-Model, with its emphasis on validation and verification, and framed in the systems thinking approach. First, 67 variables characterising the management of infrastructure systems in Arequipa are identified from literature and semi-structured interviews with key actors. Second, a model of the system is constructed using Causal Loop Diagrams. Within this model, 33 feedback loops are identified, formed from the causal influences between variables. Third, a diagnosis is carried out that unequivocally illuminates the municipalities’ failure patterns. Fourth, by identifying leverage points, a paradigm shifting intervention is proposed along with tools that municipalities can implement to improve their performance. Finally, these proposals are validated with key actors through a focus group.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140378920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Refined modeling and protection of grotto monastery based on ICP algorithm and Poisson algorithm 基于 ICP 算法和泊松算法的石窟寺精细建模与保护

IF 0.7

Infrastructure Asset Management Pub Date : 2024-03-18 DOI: 10.1680/jinam.23.00051

Xiaoli Li

{"title":"Refined modeling and protection of grotto monastery based on ICP algorithm and Poisson algorithm","authors":"Xiaoli Li","doi":"10.1680/jinam.23.00051","DOIUrl":"https://doi.org/10.1680/jinam.23.00051","url":null,"abstract":"Cultural relics carry the precious heritage of historical culture and contemporary civilization, and their importance cannot be replaced. However, as a non renewable cultural heritage, grotto temples are facing many value threats and crises of rapid extinction. Due to the unique environment, diverse volume, and complex geometric structure of the cave temples, the protection of cultural relics faces enormous challenges, and digitization has become the most important and effective preventive protection method. In this study, a perfect modeling method is proposed, that is, using 3 D laser scanning technology to obtain the point cloud data of grottoes relics, near-up photogrammetry to obtain multi-angle and high-resolution two-dimensional image data, and obtaining the complete geometric model of grottoes through the fusion modeling of laser point cloud and image dense matching point cloud. In addition, according to the texture mapping problem of complex models, the high resolution mapping of the texture image is realized by using the weighted thin plate spline function, so as to obtain the high quality and high precision three-dimensional cultural relic model. The improved algorithm’s registration method performs better in terms of Euclidean distance residuals, with residuals mainly distributed in the range of 0.02 to 0.03 millimeters. In terms of texture mapping, the model mapping accuracy is adjusted by adjusting the constraints of control points. The grayscale values of 50 pixels around the control point show significant gradient changes in the X direction, while the changes in the Y direction are relatively small. These methods and technologies provide practical and effective means for the protection and preservation of cultural relics in cave temples, and will provide important references for future cultural relic protection work.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140231430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluating intelligent transport systems for multiple stakeholders and considering future uncertainty: a simulation-based cost-benefit analysis of responsive gateways at the London Bridge Station 为多方利益相关者评估智能交通系统并考虑未来的不确定性：伦敦桥车站响应式网关的模拟成本效益分析

IF 0.7

Infrastructure Asset Management Pub Date : 2024-03-09 DOI: 10.1680/jinam.23.00026

Bryant M L Lai, C. Martani, Orlando Roman, B. Adey

{"title":"Evaluating intelligent transport systems for multiple stakeholders and considering future uncertainty: a simulation-based cost-benefit analysis of responsive gateways at the London Bridge Station","authors":"Bryant M L Lai, C. Martani, Orlando Roman, B. Adey","doi":"10.1680/jinam.23.00026","DOIUrl":"https://doi.org/10.1680/jinam.23.00026","url":null,"abstract":"The high concentration of people in train stations during rush hour poses a significant risk to passenger comfort and safety. Recent technological advancements in real-time crowd counting and pedestrian microsimulations have made it feasible to create responsive gateways for managing passenger flow to prevent overcrowding situations. This paper proposes a simulation-based cost-benefit analysis, utilizing the Real Options methodology commonly employed to assess flexible infrastructure, to estimate the costs and benefits associated with implementing responsive gateways at the London Bridge Station, while considering uncertainties in passenger flow and the interests of various stakeholders. Results from the demonstrative example indicate that the responsive gateways offer a better service than the static ones mainly due to the expected reduction in the risks related to safety, travel time and comfort that compensate for a higher cost of installation and maintenance. Further research is envisioned to enhance the modeling of passenger flow uncertainties and expand the objective function to encompass additional externalities. The simulation-based cost-benefit analysis proposed in this paper can be extended to a broader range of intelligent transportation systems, considering uncertainties and their diverse impacts on society. Thus, this paper presents a tool that contributes to a more transparent and objective investment decision-making process, particularly concerning the development of smart cities.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140256768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Infrastructure Asset Management: Referees 2023 基础设施资产管理：2023 年裁判员

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Infrastructure Asset Management Pub Date : 2024-03-01 DOI: 10.1680/jinam.2024.11.1.56

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A longitudinal perspective of climate adaptation; a case study from the water sector 2013-2023 气候适应的纵向视角；2013-2023 年水务部门案例研究

IF 0.7

Infrastructure Asset Management Pub Date : 2024-01-27 DOI: 10.1680/jinam.23.00060

Amanda Crossfield, Emma Ferranti

{"title":"A longitudinal perspective of climate adaptation; a case study from the water sector 2013-2023","authors":"Amanda Crossfield, Emma Ferranti","doi":"10.1680/jinam.23.00060","DOIUrl":"https://doi.org/10.1680/jinam.23.00060","url":null,"abstract":"Yorkshire Water provides clean water and wastewater treatment for over five million customers in the north of England, UK. Weather and climate determine water supply, and extreme weather, particularly flooding, can severely alter their operations and ability to process wastewater. This article provides a unique longitudinal (2013-2023) perspective of how an infrastructure owner and operator has responded to changing policy contexts and embedded climate adaptation within operational processes. The uptake in adaptation measures was driven by a combination of factors including the Adaptation Reporting Power mandated by the Climate Change Act, increased availability of climate data, the need to recover from extreme weather events, particularly flooding, and changes to water management policies. The latter have instigated greater partnership working to reduce risk associated with flood events, and placed more emphasis on managing water via landscape-led natural processes such as Natural Flood Management, with actions delivered through partnership working. This article describes Yorkshire Water’s leadership in the early days of adaptation within the UK and discusses the changing policy frameworks, business needs, climate knowledge, and societal context that have led to more holistic and sustainable water resource management.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140492644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploration of the impact of junction characteristics on pedestrian red light violation 探讨路口特征对行人闯红灯的影响

IF 0.7

Infrastructure Asset Management Pub Date : 2023-12-04 DOI: 10.1680/jinam.23.00023

Luc Pellecuer, Aurélien Chusseau

{"title":"Exploration of the impact of junction characteristics on pedestrian red light violation","authors":"Luc Pellecuer, Aurélien Chusseau","doi":"10.1680/jinam.23.00023","DOIUrl":"https://doi.org/10.1680/jinam.23.00023","url":null,"abstract":"The design of the geometry and traffic controls at signalised junctions is often focused on the level of service offered to motor vehicles and rarely considers the level of service offered to pedestrians. This results in pedestrian adopting illegal and unsafe behaviours – e.g. red light violation. This study aimed to identify the elements of signalised junction design that are critical in pedestrian safety by analysing how they affect pedestrian behaviour. Both traffic engineering design and associated traffic conditions were investigated. Over 6500 observations had been made at 10 signalised junctions in Montreal, Canada. The 10 junctions were selected to cover a variety of environments, road users and junction designs. Results show that the presence of a countdown display has the most significant and positive impact on pedestrian behaviour. Results also suggest that pedestrians cross on the red light when they feel confident about their ability to judge whether they can use the available traffic gaps to cross safely the street. This study concludes that an adequate junction design is likely to limit risky pedestrian behaviours. Therefore, designers need to consider the factors affecting the behaviour of pedestrians to design junctions that are safe convenient and safe for them.","PeriodicalId":43387,"journal":{"name":"Infrastructure Asset Management","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138602923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0