doktorska disertacija
Milan Kuhta (Author), Miroslav Premrov (Mentor), Branko Bedenik (Co-mentor)

Abstract

Disertacija obravanava vpliv togosti veznih sredstev in vpliv obložnih plošč na nosilnost lesenih okvirnih stenskih elementov pod vplivom horizontalne sile. Okvirni stenski element predstavlja sovprežno konstrukcijo, sestavljeno iz lesenega okvirja in obložnih plošč, ki so na okvir pritrjene z mehanskimi veznimi sredstvi - sponkami. Vpliv sponk smo raziskovali z različnimi razdaljami med sponkami, in sicer na preizkušancih z razdaljo med sponkami s=3,75 cm, s=7,50 cm in s=15,00 cm. Vpliv obložnih plošč smo raziskovali z različnimi vrstami obložnih plošč, in sicer z enojno mavčno - vlakneno oblogo, z dvojno mavčno - vlakneno oblogo in z oblogo z usmerjenim iverjem. Raziskave smo izvedli eksperimentalno, analitično in numerično (MKE). Analitični, in še posebej rezultati numeričnega MKE modela, se dobro ujemajo z ekperimentalnimi meritvami. Razdalje med sponkami in različne vrste obložnih plošč imajo pomemben vpliv na raziskovalno silo ob pojavu prve razpoke obložne plošče, silo porušitve, pomik konzolnega dela panelne stene in na zdrs v nateznem in tlačnem območju priključne ravnine med lesenim okvirjem in obložno ploščo, kakor tudi na upogibno in strižno togost panelnih sten.

Keywords

mehanika;sovprežne konstrukcije;leseni okvirni stenski elementi;mavčno vlaknaste plošče;plošče z usmerjenim iverjem;vezna sredstva;eksperimenti;modeliranje;metoda končnih elementov;

Data

Language: Slovenian
Year of publishing:
Source: Maribor
Typology: 2.08 - Doctoral Dissertation
Organization: UM FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Publisher: [M. Kuhta]
UDC: 624.011.1(043.3)
COBISS: 14409750 Link will open in a new window
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Downloads: 296
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Other data

Secondary language: English
Secondary title: Numerical modelling of fasteners influence on timber-framed walls horizontal bearing capacity
Secondary abstract: The thesis deals with fasterners influence and sheating board material influence on horizontal bearing capacity of timber - framed walls. Treated timber - framed wall composed of a timber frame and sheating board fixed by mechanical fasteners to the both sides of the timber frame actullay behave like composite structure. Three different groups of test samples with staples distances of s=3,75 cm, s=7,50 cm and s=15,00 cm were experimentally, analiticaly and numericaly (FEM) analysed and compared. Test samples with single fibre-plaster board, double fibre-plaster board and oriented strand board were analysed in the same manner. Obtained analitical and numerical results show good agreement with measured results. The fasteners spacing and various sheating boards have an important influence on craks appering in tensile area of the sheating board, on the ultimate failure force, maximum cantilever bending deflection, slip in the tensile and compressive zone between sheating boards and timber frame as well as on the bending and shear stiffnesses of the prefabricated timber-framed walls.
Secondary keywords: mechanics;composite structures;timber framed walls;fibre plaster boards;oriented strand board;fasteners;experiments;modelling;finite elements methods;
URN: URN:SI:UM:
Type (COBISS): Dissertation
Thesis comment: Univ. Maribor, Fak. za gradbeništvo
Pages: X, 132 str.
Keywords (UDC): applied sciences;medicine;technology;uporabne znanosti;medicina;tehnika;engineering;technology in general;inženirstvo;tehnologija na splošno;civil and structural engineering in general;gradbena tehnika;gradbeništvo;structures and structural parts according to material and method of construction;nosilne konstrukcije in deli nosilne konstrukcije po gradivu [materialu] in načinu gradnje;
ID: 1012978