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LDA-Based Model for Assessing the Defect Liability System in Residential Buildings' Maintenance Phase

Title
LDA-Based Model for Assessing the Defect Liability System in Residential Buildings' Maintenance Phase
Author
안용한
Keywords
Defect; Defect liability period; Defect liability system; Residential buildings; Loss distribution approach
Issue Date
2020-03
Publisher
ASCE-AMER SOC CIVIL ENGINEERS
Citation
JOURNAL OF PERFORMANCE OF CONSTRUCTED FACILITIES, v. 34, no. 2, Article no. 04020007, 9pp
Abstract
: This study aimed to assess the defect liability system for repairing various defects during residential buildings’ defect liability period using the loss distribution approach (LDA). It examined 6,087 defect cases from 48 residential buildings in the Republic of Korea between 2008 and 2017 for which defect disputes occurred. The analysis confirmed that damage and water problems were found to be serious defects in the reinforced concrete work, while relatively varied serious defects occurred in the finish work. Specifically, the structure and finish show high-severity/high-frequency characteristics; thus, attention must be paid to their quality control. Deriving the defect cost ratio’s distribution for each defect liability period showed that defect liability bonds must be increased to cover the 2- and 10-year defect liability periods and must be decreased for the 3- and 5-year defect liability periods. A defect classification matrix suitable for different defect liability periods for each country and a defect liability system evaluated using the LDA-based model can provide a basis for reasonably adjusting defect costs among the parties involved in defect disputes.
URI
https://ascelibrary.org/doi/10.1061/%28ASCE%29CF.1943-5509.0001404https://repository.hanyang.ac.kr/handle/20.500.11754/163080
ISSN
0887-3828
DOI
10.1061/(ASCE)CF.1943-5509.0001404
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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