|
|
Hokkaido University Collection of Scholarly and Academic Papers >
Theses >
博士 （工学） >
Application of Information Technology to Maintenance Management of Civil Infrastructure with BIM Collaboration Platform
|
Files in This Item:
|
|
|
Related Items in HUSCAP:
|
| Title: | Application of Information Technology to Maintenance Management of Civil Infrastructure with BIM Collaboration Platform |
| Other Titles: | BIMプラットフォームで連係した情報技術のインフラ維持管理マネジメントへの適用 |
| Authors: | Yafen, Zhang Browse this author |
| Issue Date: | 25-Sep-2020 |
| Publisher: | Hokkaido University |
| Abstract: | Civil infrastructure, such as steel structures and reinforced concrete structures constitutes the foundation of our society. To ensure safety and serviceability of infrastructure during design service life, long-term maintenance management should be thoroughly conducted. Maintenance management aims to make timely maintenance decisions and to implement the maintenance actions; and its efficiency depends on the quick response to structural failure by making full use of information. Decisions related to maintenance requires assistance from information usually available in many different types, scales, and formats. The various information originates from loosely coupled and dispersed resources that are strongly interdependent. Managers decide whether the infrastructure needs to be repaired by comprehensive consideration especially on the following three kinds of information: (1) historical document information, such as documents generated from design, construction and previous maintenance; (2) on-site monitoring and inspecting data; and (3) professional analysis results for understanding the structural durability, safety, economy, etc. A key factor adversely affecting civil infrastructure maintenance is a conventional method for information management. It is inefficient for information storage and retrieval due to paper-based form and unsystematic database. The discrete and non-visual storage of information makes it difficult to quickly obtain and locate information in the real world of civil infrastructure. There is an inefficient in the management of professional analysis information. Usually, managers need to spend a lot of time to consult experts one by one to obtain the results of different professional analysis because experts usually share only the analyses results with managers every time, instead of helping managers do professional analysis and obtain the analysis results independently.
This paper focuses on the management of maintenance information by using information technology with the BIM collaboration platform. Three main tasks are completed:
(1) Firstly, an information platform is independently developed to integrate various information in modularity. This platform innovatively provides a visual 3D real-world model environment for the project by utilizing Building Information Modelling (BIM) and Geographic Information System (GIS). Modular information such as electronical document information and structural health monitoring data is linked to the corresponding location in the model and integrated in this platform. The professional analysis module is integrated in this platform and inserted by using browser and network technology, which can share professional analyses.
(2) Secondly, how to achieve the sharing of professional analysis from experts to non-experts is focused, which included sharing professional knowledge and analysis tools. This research proposes a method of professional analysis sharing based on knowledge management. Taking numerical simulation as an example, experts use professional knowledge to create simulation prototypes through professional software and then simplify the prototype into an application in form of an open parameter model. Finally, they release the application to the professional analysis module in the developed information platform through network. Non-experts (maintenance managers) can run the application in the platform without restriction of professional software and professional knowledge.
(3) Finally, the numerical simulation is explored on the chloride ion penetration into tunnel concrete over time under external hydrostatic pressure, which is studied as an example to form a simulation prototype. A theoretical diffusion-convection model describing the process of chloride ion penetration into concrete under external water pressure is described by considering multiple affecting factors such as unsaturated flow, fluid-solid coupling, and chloride binding. A numerical model of unsaturated concrete is built to simulate the coupled process. Based on this model, the classic expression of effective diffusion coefficient is modified by considering a constrictivity factor, and the sensitivity analysis is carried out on five sets of parameters (i.e. effective diffusion coefficient, saturated permeability, van Genuchten parameters, initial saturation, and binding capacity parameters) aiming at evaluating the robustness of the model. The simulation results show that the multi-mechanism penetration model is computationally feasible, and the multiphysics coupling model can well reproduce the chloride ion transfer process in a microscopic perspective. Furthermore, the sensitivity analysis results indicate that the parameters governing moisture transport process are more sensitive to the prediction of the chloride ion penetration into undersea tunnel concrete. This simulation model shows high value in the research of chloride ion penetration into concrete structures under hydrostatic pressure.
In this paper, firstly, theoretical studies are performed to define the conceptual framework and demonstrate the implementation on the subject matter. Then, information development technology supports to realize the development of the integrated information platform. Finally, case studies prove the successful application of the proposed approach.
The information management method proposed in this paper overcomes the limitations of conventional method in maintenance information management of civil infrastructure and will greatly improve the efficiency of maintenance management. |
| Conffering University: | 北海道大学 |
| Degree Report Number: | 甲第14238号 |
| Degree Level: | 博士 |
| Degree Discipline: | 工学 |
| Examination Committee Members: | (主査) 特任教授 横田 弘, 教授 蟹江 俊仁, 教授 萩原 亨, 教授 杉山 隆文 |
| Degree Affiliation: | 工学院（北方圏環境政策工学専攻） |
| Type: | theses (doctoral) |
| URI: | http://hdl.handle.net/2115/79410 |
| Appears in Collections: | 課程博士 (Doctorate by way of Advanced Course) > 工学院(Graduate School of Engineering)
学位論文 (Theses) > 博士 （工学）
|
|
