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방성준 ( Sung-jun Pang ),안경선 ( Kyung-sun Ahn ),김지용 ( Ji-yong Kim ),김민정 ( Min-jeong Kim ),김현수 ( Hyun Soo Kim ),김철기 ( Chul-ki Kim ),장상식 ( Sang Sik Jang ),이형우 ( Hyoung Woo Lee ),이덕용 ( Deok Yong Lee ),오정권 ( 한국목재공학회 2021 한국목재공학회 학술발표논문집 Vol.2021 No.2
In this study, a new shear wall system consisted of panelized wall units was developed. The panelized wall unit consisted of wood fiber insulation, vacuum insulation, structural timber, plywood, and nails. Three types of shear walls (Set 1 _ single unit, Set 2 _ two units connected with plywood and nails, Set 3 _ two units connected by screw-pressed gluing with plywood) were prefabricated and the shear performance was evaluated. The size of the shear wall was 1.2m×2.4m for Set 1 and 2.4m×2.4m for Set 2 and Set 3. Five specimens for each shear wall were prepared and cyclic load tests were carried out according to ISO 16670 standard. In all specimens, tensile failure of the plywood and studs at the top of the hold-down occurred. The maximum shear strength of Set 1 was 47.2 kN/m and that for Set 2 and Set 3 was 51.0 kN/m and 52.9 kN/m, respectively.
< 전시-P-28 > 생태건축자재로서 구조용 CLT 인증과 설계기법
방성준 ( Sung-jun Pang ),이현정 ( Hyeon-jeong Lee ),박금성 ( Keum-sung Park ),김현수 ( Hyun Soo Kim ),오정권 ( Jung-kwon Oh ) 한국목재공학회 2019 한국목재공학회 학술발표논문집 Vol.2019 No.1
Ecological architecture uses sustainable building materials that minimize the impact on ecosystems. Various architectural cases from the single-storey house to 24-storey building have been constructed using cross-laminated timber (CLT) in the world. Several domestic CLTs have been developed and the structural characteristics were evaluated. This study introduces the certification criteria and process of ecological materials based on environmental product declaration (EPD). The CLT design methods including design formula, adjustment factors, and fire resistance calculations were also reviewed based on overseas CLT design methods.
방성준 ( Sung-jun Pang ),안경선 ( Kyung-sun Ahn ),김지용 ( Ji-yong Kim ),김민정 ( Min-jeong Kim ),오정권 ( Jung-kwon Oh ) 한국목재공학회 2021 한국목재공학회 학술발표논문집 Vol.2021 No.2
In the era of Carbon neutral, tall timber structures have been expanding to the urban building in the world. In Korea, the timber structures have been concentrated on light-frame construction and there are almost no timber buildings with a span of 10m or longer. Glued-laminated timber (GLT) is manufactured by a combination of laminae so the structural performance can be predicted by the properties of the lamina in the layers. The grades and combinations of GLT lamina differ from country to country. In this study, a prediction model for domestic GLT and hybrid GLT was investigated and a hybrid GLT reinforced with steel on the tensile or compressive side of GLT was analyzed to find out the optimal combinations.
한옥 등 목구조공사의 전문성 확보를 위한 국내 전문건설업 신설방안 연구
방성준(Pang Sung-Jun),이상준(Lee Sang-Joon),박천영(Park Chun-Young),이전제(Lee Jun-Jae) 대한건축학회 2010 大韓建築學會論文集 : 構造系 Vol.26 No.11
The purpose of this study is to analyze the current wood construction industry in Korea and to propose establishment of specialized wood construction business in the Framework Act on the Construction Industry. The results show that the standard for using wood as a structural member was established in 1997 to facilitate wood construction and the industry has been significantly increased over the past few years. Especially, when the number of buildings which had been constructed in Korea had been decreased between 2002 and 2005, the number of timber frame buildings had been increased over 20%. However, the existing wood construction system has several challenges such as poor construction quality, inefficient contract system, high construction costs, and lack of qualified constructors. Thus, this study proposes the establishment of the specialized wood construction business which includes service range, business requirements, and qualifications for skilled engineers as a solution for the problems, and a contribution to improve a quality of the wood construction industry.