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http://dx.doi.org/10.5658/WOOD.2021.49.4.336

Research Trends in Hybrid Cross-Laminated Timber (CLT) to Enhance the Rolling Shear Strength of CLT  

YANG, Seung Min (Department of bio-based materials, College of Agriculture & Life Science, Chung nam national University)
LEE, Hwa Hyung (The korean woodism-city Project Research Council)
KANG, Seog Goo (Department of bio-based materials, College of Agriculture & Life Science, Chung nam national University)
Publication Information
Journal of the Korean Wood Science and Technology / v.49, no.4, 2021 , pp. 336-359 More about this Journal
Abstract
In this study, hybrid CLT research and development trends were analyzed to improve the low rolling shear strength of CLT, a large wooden panel used in high-rise wooden buildings. Through this, basic data that can be used in research and development directions for localization of CLT were prepared. As a way to improve the low rolling shear strength, the use of hardwood lamina, the change of the lamina arrangement angle, and the use of structural composite materials are mainly used. Rolling shear strength and shear modulus of hardwood lamina are more than twice as high as softwood lamina. It confirmed that hardwoods can be used and unused species can be used. Rolling shear strength 1.5 times, shear modulus 8.3 times, bending stiffness 4.1 times improved according to the change of the layer arrangement angle, and the CLT strength was confirmed by reducing the layer arrangement angle. Structural wood-based materials have been improved by up to 1.35 times MOR, 1.5 times MOE, and 1.59 times rolling shear strength when used as laminas. Block shear strength between the layer materials was also secured by 7.0 N/mm2, which is the standard for block shear strength. Through the results of previous studies, it was confirmed that the strength performance was improved when a structural wood based materials having a flexural performance of MOE 7.0 GPa and MOR 40.0 MPa or more was used. This was determined based on the strength of layered materials in structural wood-based materials. The optimal method for improving rolling shear strength is judged to be the most advantageous application of structural wood based materials with strength values according to existing specifications. However, additional research is needed on the orientation of CLT lamina arrangement according to the fiber arrangement of structural wood-based materials, and the block shear strength between lamina materials.
Keywords
cross laminated timber; rolling shear strength; hybrid cross laminated timber; structural wood based materials; lamina; mid-layer angle;
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1 Song, Y.J., Hong, S.I. 2018. Performance evaluation of the bending strength of larch cross-laminated timber. Wood Research 63(1): 105-116.
2 Steiger, R., Gulzow, A., Gsell, D. 2008. Non destructive evaluation of elastic material properties of crosslaminated timber (CLT). Proceeding of the Conference COST E. 29-30.
3 Sylvian, G., Marjan, P. 2011. Structure design of cross-laminated timber elements. CLT Hanndbook. 1st ed FPInnovations: 144-185.
4 Wang, Z., Fu, H., Chui, Y., Gong, M. 2014. Feasibility of using poplar as cross layer to fabricate crosslaminated timber. Proceedings of the 13th World Conference on Timber Engineering. FPInnovations.
5 Kim, H.Y., Oh, J.K., Jeong, G.Y. Yeo, H.M., Lee, J.J. 2013. Shear performance of PUR adhesive in Cross laminating of Red Pine. Journal of the Korean Wood Science and Technology 41(2): 158-163.   DOI
6 Li, H., Wang, B.J., Wei, P., Wang, L. 2019. Cross-laminated Timber (CLT) in China: A Stateof-the-art. Journal of Bioresources and Bioproducts 4(1): 22-30.   DOI
7 Liao, Y., Tu, D., Zhou, J., Zhou, H., Yun, H., Gu, J., Hu, C. 2017. Feasibility of manufacturing crosslaminated timber using fast-grown small diameter eucalyptus lumbers. Construction and Building Materials 132: 508-515.   DOI
8 Li, C., Wang, X., hang, Y. 2020 (a). Structural design and mechanical properties analysis of bamboowood cross-laminated timber. Bioresources 15(3): 5417-5432.   DOI
9 Li, H., Wang, B.J., Wang, L., Wei, P., Wei, Y., Wang, P. 2021. Characterizing engineering performance of bamboo-wood composite cross-laminated timber made from bamboo mat-curtain panel and hem-fir lumber. Composite Structures 226: 113785.
10 Li, Q., Wang, Z., Liang, Z., Li, L., Gong, M., Zhou, J. 2020 (b). Shear properties of hybrid CLT fabricated with lumber and OSB. Construction and Building Materials 261: 120504.   DOI
11 Mesteck, P., Kreuzinger, H., Winter, S. 2008. Design of cross laminated timber (CLT). Proceeding of 10th World Conference on Timber Engineering.
12 Niederwestberg, J., Zhou, J., Chui, Y.H. 2018. Mechanical properties of innovative, multi-layer composite laminated panels. Buildings 8(10): 142.   DOI
13 Wood handbook-wood as an engineering material. 2021. Forest Products Laboratory. Madison, Wisconsin, U.S. chapter 11: 1-29.
14 Wang, Z., Fu, H., Gong, M., Luo, J., Dong, W., Wang, T., Chui, Y.H. 2017. Planar shear and bending properties of hybrid CLT fabricated with lumber and LVL. Construction and Building Materials 151: 172-177.   DOI
15 Wang, Z., Gong, M., Chui, Y.H. 2015. Mechanical properties of laminated strand lumber and hybrid cross-laminated timber. Construction and Building Materials 101(1): 622-627.   DOI
16 Wei, P., Wang, B.J., Wang, L., Wang, Y., Yang, G., Lu, J. 2019. An exploratory study of composite cross-laminated timber (CCLT) made from bamboo and hemlock-fir mix. Bioresources 14(1): 2160-2170.   DOI
17 Yusof, N.M., Tahir, P.M., Lee, S.H., Khan, M.A., James, R.M.S. 2019. Mechanical and physical properties of cross-laminated timber and from Acacia mangium wood as function of adhesive types. Journal of Wood Science 65: 20.   DOI
18 Fragiacomo, M., Riu, R., Scotti, R. 2015. Can structural timber foster short procurement chains within Mediterranean forest? A research case in Sardinia. South-east European Forestry SEEFOR 6(1): 107-117.
19 Fujimoto, Y., Tanaka, H., Morita, H., Kang, S.G. 2021. Development of Ply-Lam composed of Japanese Cypress laminae and Korean Larch plywood. Journal of the Korean Wood Science and Technology 49(1): 57-66.   DOI
20 Guttmann, E. 2008. Cross laminated timber: a product profile. Zuschnitt 31: 12-14.
21 Hong, S.G., Kang, S.H., Kim, N.H. 2015. The development of new concrete and freedom of forms. Review of Architecture and Building Science 59(7): 30-34.
22 Sharifnia, H., Hindman, D.P. 2017. Effect of manufacturing parameters on mechanical properties of southern yellow pine cross laminated timber. Construction and Building Materials 156: 314-320.   DOI
23 Malo, K.A., Abrahamsen, R.B., Bjertnaes, M.A. 2016. Some structural design issues of the 14-storey timber framed building "Treet" in Norway. European Journal of Wood and Wood Products 74(3): 407-424.   DOI
24 Jeong, G.Y., Lee, J.J., Yeo, H.M., Hong, J.P., Kim, H.K., So, W.T., Chung, W.Y. 2013. Optimized lamina size maximizing yield for Cross Laminated Timber using domestic trees. Journal of the Korean Wood Science and Technology 41(2): 141-148.   DOI
25 Pei, S., Rammer, D.R., Popovski, M., Williamson, T., Line, P., John, W. 2016. An overview of CLT research and implementation in North America. In Proceedings of the World Conference on Timber Engineering, Vienna, Austria.
26 Sander, S.L. 2011. Behavior of interlocking cross laminated timber (ICLT) shear well. Master's degree thesis. Brigham Young University, United States.
27 Park, S.H., Kim, K.M., Pang, S.J., Kong, J.H., Lee, S.J. 2017. Evaluation of shear strength by direction of wood grain for Korean Pine using PRF adhesive. Journal of the Korean Wood Science and Technology 45(3): 243-249.   DOI
28 Song, Y.J., Hong, S.I. 2016. Evaluation of bonding strength of larch Cross-Laminated Timber. Journal of the Korean Wood Science and Technology 44(4): 607-615.   DOI
29 Fast, P., Gafner, B., Jackson, R. 2016. Case study: an 18-storey tall mass timber hybrid student residence at the university of British Columbia. In Proceedings of the World Conference on Timber Engineering. Vienna, Austria.
30 Buck, D., Wang, X.A., Hagman, O., Gustafsson, A. 2016. Bending properties of cross laminated timber (CLT) with a 45° alternating layer configuration. Bioresources 11(2): 4633-4644.
31 Antonio, S., Claudio, D., Carla, C., Bruno, C., Andrea, P. 2021. Sustainable cross laminated timber structures in a seismic area: Overview and future trends. Applied Science (MDPI) 11: 2078.   DOI
32 Ahn, K.S., Pang, S.J., Oh, J.K. 2021. Prediction of withdrawal resistance of single screw on Korean wood product. Journal of the Korean Wood Science and Technology 49(1): 93-102.   DOI
33 Aicher, S., Christian, Z., Hirsch, M. 2016 (a). Rolling shear modulus and strength of beech wood laminations. Holzforschung 70(8): 773-781.   DOI
34 ANSI/APA PRG 320 Standard for performance-rated Cross-Laminated Timber. 2019. The Engineered Wood Association, USA.
35 Brandner, R., Flatscher, G., Ringhofer, A., Schickhofer, G., Thiel, A. 2016. Cross laminated timber (CLT): Overview and development. European Journal of Wood and Wood Product 74: 331-351. https://doi.org/10.1007/s00107-015-0999-5   DOI
36 Choi, G.W., Yang, S.M., Lee, H.J., Kim, J.H., Choi, K.H., Kang, S.G. 2020. A study on the block shear strength according to the layer composition of and adhesive type of Ply-Lam CLT. Journal of the Korean Wood Science and Technology 48(6): 791-806.   DOI
37 Davids, W.G., Willey, N., Robert, L.A., Shaler, S., Gardner, D., Edgar, R., Tajvidi, M. 2017. Structural performance of hybrid SPFs-LSL cross-laminated timber panels. Construction and Building Materials 149: 156-163.   DOI
38 EOTA European Assessment Document. 2015. EAD 130005-00-0304. Solid wood slab element to be used as a structural element in buildings.
39 Fellmoser, P., Blass, H. J. 2004. Influence of rolling shear modulus on strength and stiffness of structural bonded timber elements. Working Commission W18-Timber structures. International council for research and innovation in building construction Paper 37-6-5.
40 Kang, C.W., Jang, S.S., Kang, H.Y., Li, C.Y. 2019. Sound absorption rate and sound transmission loss of CLT wall panels composed of larch square timber core and plywood cross band. Journal of the Korean Wood Science and Technology 47(1): 33-39.   DOI
41 Bejtka, I., Lam, F. 2008. Cross laminated timber as innovative building material. In proceedings of the CSCE (Canadian Society for Civil Engineering) Annual Conference, Quebec, Canada.
42 Sikora, K.S., Daniel, O.M., Annette, M.H. 2016. Effects of the thickness of cross-laminated timber (CLT) panels made from Irish Sitka spruce on mechanical performance in bending and shear. Construction and Building Materials 116: 141-150.   DOI
43 Ehrart, T., Brander, R. 2018. Rolling shear: Test configurations and properties of some European soft-and hardwood species. Engineering structure 172: 554-572.   DOI
44 Schickhofer, G., Hasewend, B. 2000. Solid timber construction: construction system for residential houses, offices and industrial building. Preliminary proceedings, 'Timber frame building systems', 'Seismic behaviour of timber buildings', 'Timber construction in the new milenium': p. 9. Venice.
45 Aicher, S., Hirsch, M., Christian, Z. 2016 (b). Hybrid cross-laminated timber plates with beech wood cross-layer. Construction and Building Materials 124: 107-1018.
46 Bahmanzad, A., Clouston, L., Arwade, S.R., Schreyer, C. 2020. Shear properties of symmetric angle-ply cross laminated timber panels. Journal of Materials in Civil Engineering 32(9): 04020254.   DOI
47 Cameron, S. 2013. Cross-laminated timber: An analysis of the Austrian industry and ideas for fostering its development in America. Austrian Marshall Plan Foundation.
48 Choi, C., Kojimoa, E., Kim, K.J., Yamasaki, M., Sasaki, Y., Kang, S.G. 2018. Analysis of mechanical properties of Cross-laminated Timber (CLT) with Plywood using Korean Larch. Bioresources 13(2): 2715-2726.
49 Nurdiansyah, M.G., Yang, S.M., Yu, S.M., Kang, S.G. 2020. Study on the mechanical properties of tropical hybrid cross laminated timber using bamboo laminated board as core layer. Journal of the Korean Wood Science and Technology 48(2): 245-252.   DOI
50 Choi, Y.S., Park, J.W., Le, J.H., Shin, J.H., Jang, S.W., Kim, H.J. 2018. Preparation of EVA/Intumescent/Nano-Clay composite with flame retardant properties and cross laminated timber (CLT) application technology. Journal of the Korean Wood Science and Technology 46(1): 73-84.   DOI
51 Okabe, M., Yasumura, M., Kobayashi, K. Fujita, K. 2014. Prediction of bending stiffness and moment carrying capacity of sugi cross-laminated timber. Journal of Wood Science 60: 49-58.   DOI
52 Pang, S.J., Lee, H.J., Yang, S.M., Kang, S.G., Oh, J.K. 2019. Moment and shear capacity of Ply-lam composed with plywood and structural timber under out-ofplane bending. Journal of Wood Science 65: 68.   DOI
53 Pang, S.J., Shim, K.B., Kim, K.H. 2021. Effects of knot area ratio on the bending properties of cross-laminated timber made from Korean pine. Wood Science and Technology 55(2): 489-503.   DOI
54 Park, H.M., Gong, D.M., Shin, M.G., Byeon, H.S. 2020. Bending creep properties of cross-laminated wood panels made with tropical hardwood and domestic temperate wood. Journal of the Korean Wood Science and Technology 48(5): 608-617.   DOI
55 Espinoza, O., Buehlmann, U. 2018. Cross-laminated timber in the USA: Opportunity for hardwood?. Current Forestry Reports 4: 1-12.   DOI
56 Hindman, D.P., Bouldin, J.C. 2015. Mechanical properties of southern pine cross-laminated timber. Journal of Materials in Civil Engineering 27(9): 1-7.
57 Fink, G., Koher, J., Brandner, R. 2018. Application of European design principles to cross lamianted timber. Engineering Structures 171: 934-943.   DOI
58 Choi, G.W., Yang, S.M., Lee, H.J., Kim, J.H., Choi, K.H., Kang, S.G. 2021. Evaluation of flexural performance according to the plywood bonding method of Ply-lam CLT. Journal of the Korean Wood Science and Technology 49(2): 107-121.   DOI
59 Hamdan, H., Iskandar, M., Anwar, U. 2016. Cross laminated timber: Production of panel using Sesenduk timber species. Timber Technology Bulletin 59: 1-6.
60 Ipbal, A. 2018. Cross laminated timber in New Zealand: Introduction, prospects and challenges. N. Zealand Timb. Design J. 22: 3-8.
61 Karacabeyli, E., Douglas, B. 2013. Cross laminated timber handbook-US ed. FPInnovations Special Publication SP-529E.
62 Zhou, Q.Y., Gong, M., Chui, Y.H., Mohammad, M. 2014. Measurement of rolling shear modulus and strength of Cross-Laminated Timber using bending and two-plates shear tests. Wood and Fiber Science 46(2): 259-269.
63 Xiong, H.B., Ouyang, L., Wu, Y. 2016. State-of-the-art research of tall wood buildings. Journal of Tongji University (Natural Science) 44(9): 1297-1306.
64 Kaboli, H., Clouston, P.L., Lawrence, S. 2020. Feasibility of two northeastern species in three-layer ANSI-approved Cross-Laminated timber. Journal of Materials in Civil Engineering 32(3): 04020006.   DOI
65 Kramer, A., Barbosa, A.R., Sinsh, A. 2014. Viability of hybrid poplar in ANSI approved cross laminated timber applications. Journal of Materials in Civil Engineering 26(7): 06014009.   DOI
66 Jang, S.S., Lee, H.W. 2019. Later resistance of CLT wall panels composed of square timber Larch core and plywood cross bands. Journal of the Korean Wood Science and Technology 47(5): 547-556.   DOI
67 Ehrart, T., Brandner, R., Frangi, A. 2015. Rolling shear properties of some European timber species with focus on Cross Laminated Timber (CLT): Test configuration and parameter study. Proceeding of International Network on Timber Engineering Research (INTER), Sibenik, Croatia.
68 Kim, K.H., Jeon, W.S. 2019. Evaluation of bonding performance of CLT using mixed species with polyurethane adhesive. Journal of the Korea Furniture Society 30(4): 327-332.   DOI
69 Goto, Y., Jockwer, R., Kobayashi, K., Karube, Y., Fukuyama, H. 2018. Legislative background and building culture for the design of timber structures in Europe and Japan. In Proceedings of the World Conference on Timber Engineering. Seoul, Korea.