A comparative study of compression behaviors of cross-laminated timber and glued-laminated timber columns

Wei, Peixing; Wang, Brad Jianhe; Li, Hao; Wang, Libin; Peng, Si Yuan; Zhang, Long

doi:10.1016/j.conbuildmat.2019.06.139

Cited by 38 publications

(21 citation statements)

References 24 publications

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“…Two strain gauges were affixed to each specimen in the longitudinal and transverse directions to test the compressive MOE and Poisson's ratio of CCC specimens, as described in the previous study (Wei et al 2019b). At the interlaminar gap of the narrow face of CCC specimens, the longitudinal strain gauge and transverse strain gauge were positioned to form an ''L" (Fig.…”

Section: Axial Compression Test Of the CCC Specimensmentioning

confidence: 99%

“…Strain gauges used in this work were all produced by the Jinli Sensing Component Co., Ltd., located in Xingtai, China. The setup in this work was the same as that used in the previous work (Wei et al 2019b). For each specimen, the narrow face and wide face were denoted by N and W, respectively.…”

Section: Fig 3 Column Specimens and Test Setupmentioning

confidence: 99%

“…According to the calculation method in the previous work (Wei et al 2019b), the axial compression MOE values and strength of CCCs with three different heights were obtained, as listed in Table 1. To better understand the CCCs, the compressive properties of 3-ply hemlock CLT columns (HCCs) as the control are also listed in Table 1.…”

Section: Axial Compression Of the Bamboo-wood CCC Specimensmentioning

confidence: 99%

“…Each coefficient can be obtained based on the boundary conditions. According to the calculation method in the previous work Wei et al (2019b), , 1 , 2 , 3 , and can be obtained. A comparison between the actual stress-strain curve and the stress-strain curve from the model is shown in Fig.…”

Section: Model Analysis Of the Relationship Between The Axial Compressive Stress And Strainmentioning

confidence: 99%

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Performance evaluation of a novel cross-laminated timber made from flattened bamboo and wood lumber

Wei¹,

Wang²,

et al. 2021

BioRes

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A novel flattened bamboo-wood composite cross-laminated timber (CCLT) made from flattened bamboo and hemlock lumber was developed, and its mechanical performance was investigated and quantified in this work. The results demonstrated that the CCLT columns and control hemlock CLT counterparts had nearly equal axial compression strength, but the CCLT yielded a higher compression modulus of elasticity (MOE). Additionally, the CCLT compression behaviors were not significantly affected by the height. Compared with hemlock CLT, the CCLT exhibited a slightly higher flatwise bending MOE and strength in the major strength direction. Furthermore, the MOE and strength of the CCLT under edgewise bending were 17.3% less and 16.2% greater than those under flatwise bending, respectively. The load-carrying capacity of the CCLT was mainly governed by the interfacial failure between the bamboo and wood, in which no rolling shear failure was observed. Those features are unique for the new CCLT for engineered applications.

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Section: Axial Compression Test Of the CCC Specimensmentioning

confidence: 99%

Section: Fig 3 Column Specimens and Test Setupmentioning

confidence: 99%

Section: Axial Compression Of the Bamboo-wood CCC Specimensmentioning

confidence: 99%

Section: Model Analysis Of the Relationship Between The Axial Compressive Stress And Strainmentioning

confidence: 99%

See 2 more Smart Citations

Performance evaluation of a novel cross-laminated timber made from flattened bamboo and wood lumber

Wei¹,

Wang²,

et al. 2021

BioRes

Self Cite

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show abstract

“…Moreover, the production process allows for the optimal use of raw materials compared to traditional wooden construction because of the smaller amount of waste remaining from the cross-section of the tree after the production process. MTPs can be prefabricated with precise dimensions and openings in factory, which enables faster assembly with minimal construction waste [1]. Therefore, CLT is capable of obtaining the lowest global warming potential (GWP) of timber structures [2].…”

Section: Introductionmentioning

confidence: 99%

Risk of Moisture in Diffusionally Open Roofs with Cross-Laminated Timber for Northern Coastal Climates

Sadłowska-Sałęga

Wąs

2020

Buildings

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The paper is an attempt to answer the question whether the material-optimized roof construction using cross-laminated timber (CLT) is safe in terms of moisture content in the demanding northern costal climates. The proposed roof structure meets the strength requirements. The partition is diffusionally open, which facilitates moisture transport. However, there is a concern whether the applied layer system allows maintaining a safe level of moisture content below critical moisture content (CMC), which has been set at 20%. The article presents the annual hygrothermal calculation of the proposed roof slope for four locations of northern Europe and Greenland characterized by costal or subpolar climate. Four scenarios of indoor air relative humidity were considered: free floating, RHmin = 40%RH, RHmin = 50%, RHmin = 60%. In all cases, the minimum indoor temperature was 20 °C. The analysis was carried out using WUFI®Plus software. The calculation results showed that the moisture content did not exceed 20% in the CLT layer at any of the described locations. However, for the two coldest climates the assumed level of safety has been exceeded in the roof oriented strand board (OSB) sheathing.

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Preliminary evaluation of a density-based lumber grading method for hem-fir CLT manufacturing

Wang

et al. 2021

Eur. J. Wood Prod.

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A comparative study of compression behaviors of cross-laminated timber and glued-laminated timber columns

Cited by 38 publications

References 24 publications

Performance evaluation of a novel cross-laminated timber made from flattened bamboo and wood lumber

Performance evaluation of a novel cross-laminated timber made from flattened bamboo and wood lumber

Risk of Moisture in Diffusionally Open Roofs with Cross-Laminated Timber for Northern Coastal Climates

Preliminary evaluation of a density-based lumber grading method for hem-fir CLT manufacturing

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