| description abstract | This study discusses the objectives of state-level and enterprise-level positions of decision makers in bridge engineering decision problems and their hierarchical structures. Based on the aforementioned factors, cost classification method is established according to economic evaluation techniques, undertakers, and decision makers’ objectives. Social, enterprise, and ecology discount rates are discussed for national economic evaluation, financial evaluation, and environmental cost calculation, respectively. Computation period of cost analysis is discussed for national economic evaluation and financial evaluation. Residual life value of people and compensation are analyzed in order to facilitate the cost calculation related to bridge defect-incurred accidents. Finally, cost and parameter analysis in national economic evaluation and financial evaluation for wind-shielding screen schemes of a particular project is used as an example to illustrate the proposed cost composition and parameter analysis. | |
