METHOD AND SYSTEM FOR PREDICTING SWELLING/SHRINKAGE BEHAVIORS OF CROSS-LAMINATED TIMBER INDUCED BY MOISTURE CONTENT CHANGE

摘要

The present invention relates to a method and system for predicting expansion and contraction deformation behavior according to a change in moisture content of a structural laminate (CLT; Cross Laminate Timber) used as a structural member in a wooden building. The present invention relates to a structural laminated plate. Structural use that can more accurately analyze the dimensional change due to the difference in moisture content of the existing one-dimensional structural assembly plate panel by acquiring an image by moisture content of the member with an imaging device and quantifying and analyzing it with an image processing technique. The present invention relates to a method and system for predicting expansion and contraction deformation of a laminated plate. According to a method and system for predicting expansion and contraction deformation behavior according to a change in moisture content of a structural assembly plate provided by the present invention, an image of a structural laminated wood specimen photographed in steps of moisture content using an imaging equipment is analyzed with a digital image processing technique. By quantifying the degree of change in dimensions, it is possible to three-dimensionally analyze the dimensional change according to the moisture content difference of the wooden panel, and through this, it is possible to predict the shrinkage expansion deformation according to the moisture content change of the structural assembly plate with higher accuracy. In addition, according to the method and system for predicting deformation behavior of the present invention, dimensions according to changes in the moisture content of the structural laminate with basic information on wood such as the number of layers, species, wood grade, width, and thickness of the laminated laminate constituting the laminated structural laminated plate. Deformation prediction calculation formula that can be calculated by quantitatively estimating the change is provided, through which it is possible to accurately predict the contraction and expansion deformation according to the change in moisture content of the structural assembly plate to a degree that is very similar to the actual behavior, and accordingly, manufacturers and product inspections Institutions can more clearly and objectively evaluate the dimensional stability of their products, and can expect the effect of increasing consumer confidence in the products.