Abstract
An essential element of every building is a roof that protects it against the influence of weather conditions - rainfall, wind, and temperature changes. The shape of the roof, the type of roof covering, and the slope of the roof have the greatest impact on the type and material solutions. The roof structures are made of wooden, steel, or reinforced concrete. Especially in single-family residential buildings, wooden roof structures are most often used. Wood is perceived by many as the oldest and best building material, valued for its low weight, good strength, elasticity, and high thermal and insulation values. Traditional roof has been used over the centuries. The more common roof in wood framing roof is gable and hip roof which is consist of rafter, ridge, hip, collar tie and joist. The common slop for hip roof is 3/12 to 12/12. By increasing the slop, the length of the hip element in roof increases and needs to brace closely. The aim of the study is to analyse the location of roof braces in hip roof structures, due to the ultimate and serviceability limit states, under dead, live and wind loads based on finite element method model. Two wind speeds of 22 m/s and 40 m/s is taken into consideration. Elements with the different spans, cross-sections and slope of the roof are analysed.
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