An-Najah National University

Jalal Dabbeek

 

 
  • Thursday, January 1, 2009
  • مدى وعي المواطن الفلسطيني بالمخاطر الزلزالية
  • Published at:مجلة جامعة النجاح للأبحاث - العلوم الطبيعية (أ)، المجلد 23 ، 2009 ، الصفحات: 131 - 158
  • اعتمدت هذه الدراسة على المسح الميداني الذي نفذه مركز استطلاعات الرأي والدراسات المسحية، ومركز علوم الأرض وهندسة الزلازل في جامعة النجاح الوطنية، من خلال عينة شملت الضفة الغربية وقطاع غزة. كما استخدم المنهج الوصفي والمنهج التحليلي في الوصول إلى النتائج. وقد أظهرت الدراسة وجود مستوى مقبول من التوعية الزلزالية لدى المواطنين الفلسطينيين، وأنهم على استعداد لتقبل بعض الإجراءات ومنها زيادة تكاليف البناء بنسبة 3-5% في حال تصميمه وتنفيذه طبقا لكودة المباني المقاومة للزلازل، كما أنهم رأوا بأنه على البلديات ونقابة المهندسين أن تتحمل مسئولياتها في هذا المجال. وقد ت
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  • Friday, July 11, 2008
  • Site Effect and Expected Seismic Performance of Buildings in Palestine- Case Study: Nablus City
  • Published at:Not Found
  • The effects of local geology on ground-motion amplification and building damage were studied in Palestine-West Bank. Nakamura's method of microtremor analysis was applied in this study. The measurements showed significantly higher amplification in the frequency range of building vulnerability in different parts of Nablus city. This finding is consistent with the distribution of the earthquake damage grades in the urban areas struck by the 11 February 2004 earthquake (ML = 5.2) with a focal depth of 17 km beneath the northeastern part of the Dead Sea Basin. Quite large differences in amplification between around 1 and 9 were computed between the eastern and western rims of the city. The downtown built in the central part of the city on soft clay, marl and valley deposits, whereas the northern and southern parts of urban areas in Nablus city lying on mountains consist of consolidated carbonates bedrock. In the central part of the city and at the rims, where the thickness of fluvial deposits and soft formations
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  • Sunday, April 6, 2008
  • Site Effect and Expected Seismic Performance of Buildings in Palestine: Case study: Nablus and Ramallah cities
  • Published at:Fifth Gulf Seismic Forum Sanaa, April 6-9, 2008
  • Local site effect: Landslides, liquefaction, amplification and faulting systems play very important roles on the intensity of earthquakes. Earthquake- resistant design of new structures and evaluation of the seismic vulnerability of existing buildings involves prediction of their response to site ground motions. Historical references to the correlation between earthquake damage and local site condition extend back nearly 200 years. Provisions that specifically accounted for local site conditions didn’t appear in building codes, however until the early 1910. The local site effect can be illustrated by the following: simple theoretical ground response analysis, measurements of actual surface, by subsurface motions at the same site, and by measurements of ground surface motions from sites with different subsurface conditions. The effects of local geology on ground-motion amplification and building damage were studied in Palestine- West Bank. Nakamura’s method of micro tremor analysis was applied in t
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  • Tuesday, April 1, 2008
  • مخططات المخاطر وإدارة الكوارث
  • Published at:Not Found
  • المستخلص:يتضمن البحث استعراضاً لأهم الخصائص والمعايير الرئيسية التي تعتمد عليها
    خطط إدارة الكوارث في حساب حجم المخاطر ومستواها، ً واستنادا للمنهجية الحلقية في
    التخطـيط وتقدير المخاطر، وبناء. على نتائج قابلية الإصابة والسلوك الزلزالي المتوقع للبنى
    التحتية ولأنماط المباني الدارجة في عدد من المدن الفلسطينية تم تحديد درجات الأضرار
    والانهيارات لعدد من المناطق في المدن الرئيسية في الضفة الغربية، ثم يناقش اهم ضوابط
    ومعايير ومراحل منظومة التخطيط الاستراتيجي للتخفيف من آثار الكوارث، وبهدف اعداد
    مخطط ادارة الكوارث وإنتاج خرائط المخاطر
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  • Tuesday, January 1, 2008
  • Rapid Assessment of Seismic Vulnerability in Palestinian Refugee Camps
  • Published at:Not Found
  • Absract: Studies of historical and recorded earthquake in Palestine demonstrate that damaging earthquakes are occurring frequently along the Dead Sea Transform: Earthquake of 11 July 1927 (ML, 6.2), Earthquake of 11 February 2004 (ML, 5.2). In order to reduce seismic vulnerability of buildings, losses in lives, properties and infrastructures, an attempt was made to estimate the percentage of damage degree and losses at selected refugee camps: Al Ama\'ri, Balata and Dhaishe. Assessing the vulnerability classes of building structures was carried out according to the European Macro- Seismic Scale 1998 (EMS-98) and the Federal Emergency Management Agency (FEMA). The rapid assessment results showed that very heavy structural and non-structural damages would occur in the common buildings in of the investigated Refugee Camps (many buildings will suffer from damages grades 4 and 5). Bad quality of buildings in terms of design and construction, lack of uniformity, absence of spaces between the building and the limited
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PROFILE

Jalal Nimer Saleh Dabbeek
 
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