Določanje kakovosti lesenih polproizvodov in izdelkov pred njihovo uporabo je brez ustrezne tehnologije precej težavno. Pri žaganem lesu ocenjevanje temelji na vizualnih karakteristikah lesa in ...lesenih izdelkov. Obstajajo določeni standardi za razvrščanje posameznega elementa v kakovostni razred, vendar je to področje še vedno precej neenotno. V okviru te diplomske naloge želimo določiti preprost algoritem za ocenitev natezne trdnosti bukovih desk. Ocena temelji na vizualnih karakteristikah bukovine. Najprej je v grobem opisan les kot material in njegove lastnosti ter določene vizualne značilnosti bukovine, ki naj bi najbolj vplivale na mehanske lastnosti in natezno trdnost lesa. V nadaljevanju analiziramo štiri različne tipe porušitve po ploskvi deske in dva tipa porušitve po robu deske, ki jih definiramo na podlagi eksperimentalnih opažanj. Nadalje poskušamo določiti, katere vizualne karakteristike so značilne za posamezen tip porušitve, in nato na podlagi rezultatov nateznih testov označiti, v kakšen razred nateznih trdnosti spada posamezen tip porušitve oziroma kombinacija porušitve po robu in po ploskvi deske.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [B. Božič], 2017
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