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http://dx.doi.org/10.11112/jksmi.2018.22.3.060

A Study on the Optimization of Field Sampling Number of the Durability Evaluation Method for the Extension Remodeling of the Apartment Housing  

Shin, Heechul (Department of Architectural Engineering, Gachon University)
Choi, Kibong (Department of Architectural Engineering, Gachon University)
Yoon, Sangchun (Department of Architectural Engineering, Gachon University)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.22, no.3, 2018 , pp. 60-68 More about this Journal
Abstract
The Housing Act amended allows vertical extension up to three floors and increases the units of housing (or total floor area) to site up to 15%. Currently, the feasibility of performing vertical extension is evaluated based on safety diagnosis provisions and manuals with preliminary investigations on slope, uneven settlement, load-bearing capacity, and durability. However, a need for more reasonable evaluation methodology for the preliminary investigation is still required because the current procedures are borrowed from safety diagnosis provisions and manuals for reconstruction without detailed examinations on evaluation criteria and sampling methods. Accordingly, this study is intended to suggest a method to obtain feasible sampling size for durability assessment by statistically analyzing the safety evaluation data sets on concrete carbonation and steel corrosion obtained from apartment complexes. The results of this study are expected to be beneficial for establishing more reasonable field sampling size, and in turn, more reliable durability assessment protocol for vertical extension.
Keywords
Durability evaluation; Standards for extension remodeling; Concrete durability; Carbonation; Chloride content; Steel corrosion;
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