JOURNAL ARTICLE

Development on Reconstruction Cost Model for Decision Making of Bridge Maintenance

Jong-Wan SunDong-Yeol LeeMin-Jae LeeKyung-Hoon Park

Year: 2016 Journal:   Journal of the Korea Academia-Industrial cooperation Society Vol: 17 (9)Pages: 533-542   Publisher: The Korea Academia-Industrial Cooperation Society

Abstract

교량의 유지관리 비용은 교량 건설 후 주기적으로 발생하게 되며 교량의 상태, 환경 조건 등 여러 요인들이 복합적으로 고려되어야 한다. 개축은 유지관리 단계에서 발생하는 조치 중 가장 최종적이며 대규모 비용이 투입되는 조치로서 교량 유지관리 의사 결정 지원을 위해서는 기본적인 개축 비용 산정 모델의 수립이 필수적이다. 본 연구에서는 교량의 개축 비용 산정을 위한 회귀 모델을 개발하였다. 이를 위해 교량관리시스템(Bridge Management System) 데이터베이스(database) 상의 교량 기본 제원을 분석하여 교량 형식별, 구성 요소별 대표 표본과 주요 영향 인자들을 정의하였다. 각 표본별 비용 산정변수를 고려하여 내역 작업을 수행하였다. 비용 산정 변수에 따른 대표 표본의 적산 결과를 회귀분석하여 상부구조, 하부구조, 기초 등의 신설 비용과 가교 설치 비용, 해체 폐기 비용에 대한 비용 모델을 도출하였다. 개발된 비용 모델을 활용하여 공용 중인 교량 형식별 개축 비용을 도출하고 단가를 산출하여 기존 문헌과의 비교 검토를 수행하였으며, 유지관리 의사결정에 효과적으로 활용될 것으로 기대된다. The periodic maintenance of bridges is necessary once they have been constructed and its cost depends on various factors, such as their condition, environmental conditions and so on. To make a decision support system, it is essential to establish a basic reconstruction cost model. In this study, a regression model is suggested for calculating the reconstruction cost for typical cases and influential factors, depending on the type of bridge and its components, by analyzing the basic bridge specifications based on the data of the Bridge Management System (BMS). The details for each case were estimated in consideration of the cost calculation variables. The details for each case were estimated in consideration of the cost calculation variables. The cost model for the new construction of the superstructure, substructure and foundation and the temporary bridge construction and demolition costs were drawn from the regression analysis of the estimation results of typical cases according to the cost calculation variables. The reconstruction costs for different types of bridge were obtained using the cost model and compared with those in the literature. The cost model developed herein is expected to be utilized effectively in maintenance decision making.

Keywords:
Bridge (graph theory) Bridge maintenance Cost estimate Reliability engineering Computer science Regression analysis Demolition Operations research Engineering Civil engineering Structural engineering Systems engineering Machine learning

Metrics

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FWCI (Field Weighted Citation Impact)
3
Refs
0.18
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Technology Assessment and Management
Physical Sciences →  Engineering →  Safety, Risk, Reliability and Quality
BIM and Construction Integration
Physical Sciences →  Engineering →  Building and Construction
Transportation Systems and Infrastructure
Social Sciences →  Business, Management and Accounting →  Management of Technology and Innovation

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