Research on Road Asset Management - Road Management Technology Center

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Overview

We carry out research into road asset management, in a effort to realize management system of road structure, from which we can get the greatest benefit at the minimum cost.

Research into road asset management:Asset maintenance/Increased asset value/Improved service to end users

	Overall management	Management of collective assets	Management of individual assets
Relates to	Adjusting balance among different measures by setting up respective targets for different assets and making evaluations.	Evaluating overall soundness of collective assets, setting up service standard, and allocating budget.	Creating and implementing maintenance plans reflecting particular environment and conditions.
Considerations

Overall management

Management of collective assets

Management of
individual assets

Relates to

Adjusting balance among different measures by setting up respective targets for different assets and making evaluations.

Evaluating overall soundness of collective assets, setting up service standard, and allocating budget.

Creating and implementing maintenance plans reflecting particular environment and conditions.

Considerations

Features

Research into Evaluation and Prediction of Asset Soundness

	Research into methods of evaluating the soundness of structures and components from inspection results, for interpreting the condition of road structure
	Research into purpose-specific methods of predicting deterioration (prediction methods considering causes of deterioration, probabilistic prediction, etc.)

Example analysis of inspection results for soundness evaluation Proportions of diagnosed categories by age

Example analysis of soundness prediction:Deterioration curves for salt damage Relation between actual elapsed years and predicted elapsed years

Research in Management Planning Support

Research in LCC analysis
Research in investment analysis method
Research in service levels (management targets)
Research into overall evaluation targets
Development of management support systems

Example of LCC analysis

Conceptual framework for bridge management supporting system

Survey of Asset Management in Other Countries

Survey of latest information on road asset management in other countries: manuals, guidelines, and ongoing measures.

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