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研究生： 亞思
Alcívar, Stefany
論文名稱： 以外牆為例之動態維修策略
Developing dynamic maintenance strategies – A case study of building facade.
指導教授： 馮重偉
Feng, Chung-Wei
學位類別： 碩士
Master
系所名稱： 工學院 - 土木工程學系
Department of Civil Engineering
論文出版年： 2014
畢業學年度： 102
語文別： 英文
論文頁數： 89
外文關鍵詞： maintenance strategies, service life, degradation rate
相關次數： 點閱：87  下載：1 
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    • Maintenance strategies are essential to control the degradation and prevent the failure of building elements. The selection of the most cost-effective and appropriate strategies can minimize the decline in the performance of the building during it whole life cycle, and can enable a better budget allocation for the owner.
    This research focuses on façade only because of its importance supporting external factors that affect the durability of the building. Previous research have studied this topic as well, but without analyzing the type of activities that should be performed in order to counteract the damages caused by defects and degradation of the material.
    This research characterizes a dynamic framework for selecting optimal material and maintenance strategies for façades by using the most common products on the market, according to the necessity of the material. Life-cycle cost analysis is used to compare different maintenance scenarios. These scenarios are compared through the simulation of performance degradation models with the following parameters: service life, performance, minimum level of quality, maintenance actions, frequency, products and costs per square foot. The results provide the comparison of different strategies giving the owner/customer the advantage to choose the most convenient alternative according to their necessities.

    This research has tried to analyze all possible scenarios; as a result, different maintenance practices were developed with the objective of achieving the most convenient strategy (minimum cost and maximum service life). Finally, all scenarios were developed using the same material which was considered based on common use and available information.

    Table of Contents ABSTRACT I ACKNOWLEDGEMENTS II LIST OF TABLES VI LIST OF FIGURES VIII Chapter 1. INTRODUCTION 1 1.1 Research Background and overview 1 1.2 Motivation of research 2 1.3 Objectives 3 1.4 Research procedure 4 1.5 Thesis Structure 6 Chapter 2. LITERATURE REVIEW 7 2.1 Problem Statement 7 2.2 General maintenance Definition 9 2.3 Building’s Condition 10 2.3.1 Building Life Cycle 10 2.3.2 Timing of maintenance operations 11 2.4 Elements considered in the maintenance of a building. 13 2.5 Façade 14 2.5.1 Common defects on façades 16 2.6 Service life 17 2.6.1 Factorial Method or Factor Method and Standard ISO 15686-1 18 2.7 Maintenance 20 2.7.1 Levels of Maintenance 20 2.7.2 Scale of Rating 21 2.8 Deterioration patterns over time 24 2.8.1 Simulation of maintenance scenarios 29 2.9 Summary 30 Chapter 3. FRAMEWORK FOR THE DEVELOPMENT OF DYNAMIC MAINTENANCE STRATEGIES 31 3.1 Scope Definition 31 3.2 Key Assumptions 32 3.3 Framework Implementation 34 3.3.1 Setting the Goal 34 3.3.2 Setting a Strategy 34 3.3.3 Main factors for the development of the Framework 35 3.3.3.1 Material Selection 35 3.3.3.2 Materials defects 37 3.3.3.3 Determine material’s durability 42 3.3.3.4 Maintenance Policy 45 3.3.3.5 Setting the frequency of maintenance 46 3.3.3.6 Determination of the typical path of deterioration 50 Chapter 4. DYNAMIC MAINTENANCE STRATEGY FOR DIFFERENT SCENARIOS 52 4.1 Dynamic Framework implementation 52 4.1.1 Material Selected: Natural Stone 52 4.1.2 Categories of failure of Natural Stone- Exterior Wall 52 4.1.3 Different scenarios 53 4.2 General Results 70 4.3 Results verification 72 4.3.1 Summarizing Results 78 Chapter 5. CONCLUSIONS 83 5.1 Conclusion 83 5.2 Suggestions 85 5.3 Implications for future research 86 REFERENCES 87

    REFERENCES

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