[논문]Insulation Saving Effect for Korean Apartment House Using Cross-Laminated Timber (CLT)

Pang, Sung-Jun; Lee, Bumjin; Jeong, Gi Young

doi:10.5658/wood.2017.45.6.846

Insulation Saving Effect for Korean Apartment House Using Cross-Laminated Timber (CLT) 원문보기

목재공학 = Journal of the Korean wood science and technology, v.45 no.6, 2017년, pp.846 - 856

Pang, Sung-Jun (Department of Wood Science and Engineering, Chonnam National University) , Lee, Bumjin (School of Architecture, Chonnam National University) , Jeong, Gi Young (Department of Wood Science and Engineering, Chonnam National University)

Abstract ▼ AI-Helper

The aim of this study was to develop the details of cross-laminated timber (CLT) envelops for satisfying the design standard for energy saving (DSEA) and passive standard in South Korea. When the same thickness of 180 mm concrete or CLT was used and the same materials for other layers were used for the roof, wall, and interlayer floor, the required insulation thickness for the different building envelopes in central, southern, and Jeju island was evaluated. As a result, compared to the concrete envelop, about 43 mm of insulation thickness was reduced for wall and roof with the CLT envelope. When the CLT envelopes were modified to protect the CLT from moisture based on FPInnovations (2011), the insulation thickness was further reduced by 12 mm. When the modified CLT building envelops satisfied with a passive standard are used for 10-story building, the required insulation was decreased by $40.89m^3$ for a floor ($105.27m^2{\times}2.3m$ in height) compared to concrete building. As the number of floors increases, about 3.58 m3 of insulation per floor was additionally saved.

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문제 정의

In this study, the required insulation thicknesses for CLT building envelops were analyzed to satisfy the design standard for energy saving and passive standard in South Korea. When the thickness of 180 mm CLT was used for wall as a structural purpose, the required insulation thicknesses were 97, 66, 30 and 162 mm in central, southern, Jeju island and passive house, respectively.
(2002) investigated the various factors on the energy consumption of Korean apartment houses and summarized the arrangement and envelop compositions for Korean apartments that are commonly constructed. In this study, the summarized envelop compositions for Korean apartments are used for developing CLT envelop composition.
The aim of this study was to develop the details of CLT envelops for satisfying the DSES and a passive standard in South Korea. Especially, the insulation saving effect was investigated in Korean apartment house by using a structural material for CLT instead of concrete.

제안 방법

1 and the window ratio which is the ratio of window area to the corresponding exterior wall area. The simplified floor plan and the summarized information were used to compare the CLT envelops with concrete envelops in this study.

대상 데이터

6) was constructed with either concrete or CLT, the required insulation volume for passive concrete buildings and passive CLT buildings was calculated. The size of a unit was 12,100 mm by 8,700 mm by 2,300 mm (Fig. 1). For the CLT building, the compositions of CLT from Fig.
The specimens (30 mm × 100 mm × 100 mm) were stored at the 12% equilibrium moisture content (EMC) condition, temperature (30℃), humidity (67%) in chamber.

이론/모형

The recommended details for CLT envelopes are presented in the CLT handbook (FPInnovations, 2011). The modified CLT envelops to meet DSEA in South Korea were derived based on FPInnovation (2011) (Fig. 3).

참고문헌 (18)

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상세보기
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상세보기
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원문보기 상세보기
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원문보기 상세보기
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원문보기 상세보기
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상세보기
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