The traditional house in North Sumatera against the earthquake: A case study of Karo and Toba
List of Authors
  • Johannes Tarigan , Nursyamsi Nursyamsi

Keyword
  • Earthquake, Karo, Toba, Traditional House

Abstract
  • Indonesia is one of the countries that are susceptible to earthquakes. The traditional houses in Indonesia are generally able to resist the earthquake. They have a non-engineered structural system that was handed down from ancient traditions. Most of the damaged or collapsed houses were made of concrete. Meanwhile, the traditional house is made of wood or bamboo tend to survive. Karo and Toba regency is one of the areas in Indonesia which is known to be prone to earthquakes. Because it is located near Sibayak Mount and Sinabung Mount which is an active status. But the traditional houses there are still withstanding now. In this paper, we will analyze the traditional houses against the earthquake with the case study in Karo and Toba. These structures will be analyzed by the MDOF method and using SAP2000 software. The results are the structural concept of the traditional houses is relatively the same, only the type of the roof is significantly different. The traditional houses have symmetrical structures. There is no horizontal irregularity, but vertical irregularity exists. Furthermore, the earthquake performances show that the structures of the traditional houses in Karo and Toba are safe in terms of the period, the base shear force, the friction force, and the story drifts.

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