국산 간벌 소경재를 이용한 다중접착접합 기둥부재의 압축강도성능 = Compression strength performance of multi-layer glued columns by using square lumbers produced from domestic small diameter logs

다국어 초록 (Multilingual Abstract)

This study is to develop a mulit-layer glued columns for construction of Korean-style houses by using domestic small diameter logs. Dried small square lumber glued each other to develop a multi-layer glued columns and evaluated its performance of strength. Then, predicted the design load of multi-layer glued columns and make a comparison between actual load and design load of multi-layer glued columns. In the results, allowable load by allowable stress of multi-layer glued columns was measured one-third of actual columns load and prediction load was measured less than 10~30% of the actual load. Therefore, muilt-layer glued member has a standard allowable stress of compressive of 13 MPa (Larix leptolepis) and 19 MPa (Chamaecyparis obtusa) when used as columns. Also, using compression strength of small diameter square logs could calculate maximum loads of multi-layer glued member as column.

참고문헌 (Reference)

1 김광모, "국산 삼나무를 이용한 구조용 집성재 이용기술" 한국목재공학회 37 (37): 184-191, 2009

2 ASTM, "Test methods of static tests of timber in structural sizes"

3 KS, "Structural glued-Laminated timber"

4 ASTM, "Standard practise for evaluating allowable properties for grades of structural lumber"

5 KS, "Softwood structural lumber"

6 KS, "Method of compression test for wood"