| Title |
Flexural Performance Evaluation of Cross Laminated Timber (CLT) and Timber-Concrete Composite (TCC) Floors |
| Authors |
임준재(Lim, Junjae) ; 김성용(Kim, Sung-Yong) ; 오근영(Oh, Keunyeong) |
| DOI |
https://doi.org/10.5659/JAIK.2025.41.7.193 |
| Keywords |
Cross Laminated Timber (CLT); CLT-Concrete Composite(TCC); Flexural Performance; Effective Bending Stiffness;Composite Efficiency |
| Abstract |
Cross-Laminated Timber (CLT) is a representative timber product that can be applied to the construction industry, replacing concrete and
steel while mitigating environmental impacts. Along with CLT, the Timber-Concrete Composite (TCC) system is a structural system designed
to utilize timber structures more efficiently. The purpose of this study is to evaluate the flexural performance of CLT and TCC floor panels
to assess their suitability. For this purpose, three specimens were fabricated with the number of laminated layers and the presence of
composite action as variables. A four-point bending test was conducted according to domestic standards, and load, displacement, and strain
values were obtained at each loading stage. The test results showed that the flexural strength (MOR) and modulus of elasticity (MOE) of the
CLT specimens met the acceptance criteria. However, to achieve better performance, sufficient flexural strength of the bottom layers needs to
be ensured. On the other hand, the TCC specimens did not exhibit sufficient flexural performance due to inadequate composite action
compared to full composite behavior. To secure the flexural performance of TCC floor panels, a detailed design for the placement of shear
connectors is considered necessary. |