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Traditional Javanese Wooden Houses (Joglo) Damaged By May 2006 Yogyakarta Earthquake, Indonesia
A post-earthquake survey was performed on Joglo Javanese wooden houses, seriously affected by the May 27, 2006, Yogyakarta earthquake in Java, Indonesia. Investigations on 20 damaged Joglo buildings reveal that the structure's damage can be classified into three categories: slip between columns and stone foundation, broken joints between outer ring beam and column, and collapse of core structure. Four damage levels were defined: I) damage on the base joint of side structure, II) fatal damage on the side-structure, III) destroyed core structure, and IV) totally collapsed core structure. The side structure turns out to be relatively weak, while the core structure is able to secure the structural performance of Joglo buildings. A distinct relationship was identified between the levels of structural damage and the area ratio of core structure and the main column projection. It was verified that structural proportion significantly contributes to the assessment of damage. The joint failure represents a significant point in terms of maximum retention for conservation. Based on a damage level approach, an assessment methodology to optimize reinforcing strategies. This study gives recommendations for the preservation of such precious structures from future earthquakes, while avoiding inappropriate interventions.
Traditional Javanese Wooden Houses (Joglo) Damaged By May 2006 Yogyakarta Earthquake, Indonesia
A post-earthquake survey was performed on Joglo Javanese wooden houses, seriously affected by the May 27, 2006, Yogyakarta earthquake in Java, Indonesia. Investigations on 20 damaged Joglo buildings reveal that the structure's damage can be classified into three categories: slip between columns and stone foundation, broken joints between outer ring beam and column, and collapse of core structure. Four damage levels were defined: I) damage on the base joint of side structure, II) fatal damage on the side-structure, III) destroyed core structure, and IV) totally collapsed core structure. The side structure turns out to be relatively weak, while the core structure is able to secure the structural performance of Joglo buildings. A distinct relationship was identified between the levels of structural damage and the area ratio of core structure and the main column projection. It was verified that structural proportion significantly contributes to the assessment of damage. The joint failure represents a significant point in terms of maximum retention for conservation. Based on a damage level approach, an assessment methodology to optimize reinforcing strategies. This study gives recommendations for the preservation of such precious structures from future earthquakes, while avoiding inappropriate interventions.
Traditional Javanese Wooden Houses (Joglo) Damaged By May 2006 Yogyakarta Earthquake, Indonesia
Prihatmaji, Yulianto P. (author) / Kitamori, Akihisa (author) / Komatsu, Kohei (author)
International Journal of Architectural Heritage ; 8 ; 247-268
2014-03-04
22 pages
Article (Journal)
Electronic Resource
English
ADAPTIVE SPACE OF JAVANESE TRADITIONAL HOUSE IN BRAYUT TOURISM VILLAGE YOGYAKARTA
| DOAJ | 2019