Abstract
Traditional Batak house is believed to be earthquake-resistant. Hence, the layout of the structure, the frame concept and also the earthquake force is calculated based on SNI 7973: 2013, namely regulations on design specifications for wood construction and SNI 03-1726-2012 regarding earthquake resistance planning procedures for building and non-building structures, especially the natural frequency ω of house, period T of house, floor displacement and shear forces V that occur. The traditional Batak house building was built long before the SNI 7973: 2013 and SNI 03-1726-2012 regulations existed. The traditional Batak Toba house studied was located in the village of Siallagan “Batu Parsidangan, Huta Siallagan”. According to mechanical properties of wood, the traditional Batak house has fulfilled the wood specifications based on SNI 7973: 2013 and the structural concepts have met the requirements of SNI 03-1726-2012. Calculation or analysis on the resilience of traditional Batak Toba houses against earthquake forces are carried out using software. It is found that the natural frequency ω is 12.697 rad/sec and period of the structure T is0.494 seconds. The shear forcesthat occurs due to the earthquake force V is 28.87 kN, the maximum floordisplacement from the traditional Batak Toba house is taken from the highest point, which is 4.01 cm.
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