Building Damage Research Papers - Academia.edu (original) (raw)
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A B S T R A C T During the recent earthquakes, it has been observed that structural irregularities are one of the main reasons of the building damage. Irregularities are weak points in a building which may cause failure of one element or... more
A B S T R A C T During the recent earthquakes, it has been observed that structural irregularities are one of the main reasons of the building damage. Irregularities are weak points in a building which may cause failure of one element or total collapse of the building during an earthquake. Since Albania is a country with moderate seismicity which has been hit by earthquakes of different magnitudes many times establishes the need to study the effect of irregularities is well-founded. The main structural irregularities encountered in Albanian construction practice consist of short column, large and heavy overhangs and soft story. In this study, these types of irregularities are considered in two different types of buildings, low and mid-rise reinforced concrete frame buildings represented by 3-and 6-story respectively. Pushover analyses are deployed to get the effect of structural irregularities on RC building response. A building set is chosen to represent the existing construction practice in the region; regular framed building and buildings with irregularities such as soft stories, short columns, heavy overhangs and the presence of soft story with heavy overhangs. The analyses have been conducted by using ETABS and Seismosoft software. Pushover curves of building set are determined by nonlinear static analysis in two orthogonal directions. Comparative performance evaluations are done by considering EC8 and Albanian Seismic codes (KTP-N2-89). From the obtained results, it is observed that low and mid-rise structures with soft story-two sided overhangs and short column are more vulnerable during earthquakes.
In recent years, earthquake and heavy rain have triggered more and more landslides, which have caused serious economic losses. The timely detection of the disaster area and the assessment of the hazard are necessary and primary for... more
In recent years, earthquake and heavy rain have triggered more and more landslides, which have caused serious
economic losses. The timely detection of the disaster area and the assessment of the hazard are necessary and primary for
disaster mitigation and relief. As high-resolution satellite and aerial images have been widely used in the field of
environmental monitoring and disaster management, the damage assessment by processing satellite and aerial images has
become a hot spot of research work. The rapid assessment of building damage caused by landslides with high-resolution
satellite or aerial images is the focus of this article. In this paper, after analyzing the morphological characteristics of the
landslide disaster, we proposed a set of criteria for rating building damage, and designed a semi-automatic evaluation
system. The system is applied to the satellite and aerial images processing. The performance of the experiments
demonstrated the effectiveness of our system.
The 1999 earthquakes caused huge damage and economic losses in Turkey. The city of Düzce, hit by the second earthquake of Mw=7.2, suffered widespread damage to many RC buildings. Survey teams conducted post-earthquake evaluations on... more
The 1999 earthquakes caused huge damage and economic losses in Turkey. The city of Düzce, hit by the second earthquake of Mw=7.2, suffered widespread damage to many RC buildings. Survey teams conducted post-earthquake evaluations on selected buildings that suffered various degrees of damage. The information collected was analyzed to set up a correlation between the attributes affecting seismic performance and the observed damage. A procedure, developed using a statistical method called discriminant analysis, is presented. The details of the procedure and the content of the database are summarized. The variability of ground motion with respect to the soil properties and the distance to source was incorporated in the improved procedure presented in the companion paper [1].