Engineering Challenges in Abutment Stability Studies of Karun IV Arch Dam under Seismic Loads
سال انتشار: 1390
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,754
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شناسه ملی سند علمی:
NCHP03_822
تاریخ نمایه سازی: 3 فروردین 1391
چکیده مقاله:
Large dams are among the most important structures that their safety is of prime concern not only for dam engineers and owners but also for the general public. Sincethe early days of engineered dams there have been significant advances in design and analysis tools as well as construction technologies. However due to the extent ofparameters involved and their interconnections, providing safety for a large dam is still a challenging issue.This paper reports some important technical issues in the design of Karun IV double arch concrete dam in Iran, more specifically with regards to the stability of the damabutments. The dam is the highest dam in Iran with the height of 230m from its base and impounded in March 2010. The dam site is located in a highly seismic area withlocally complex geological and geotectonic conditions. The abutment stability studies turned into a major design issue during the detail design stage and the constructionperiod. Considerable efforts were put in place to investigate and refine thegeomechanical and seismic design parameters. These included special rigorous site investigations by setting up a rock engineers-rock climbers team, using differentmethods of analyses and setting up various technical review committees and expert panels. The paper briefly introduces the main specifications of the project, reviews theapproaches used in dealing with abutment stability concerns and summarizes the experiences achieved.
کلیدواژه ها:
نویسندگان
ALI REZA MANAFPOUR
Assistant Professor Dept of Civil Engineering, Urmia University, Urmia, Iran
AMIR FARAJI AZAD
Project Director Mahab Ghodss Consulting Engineering Co., Tehran
MOHAMMAD ALI KARIMI
Structural Engineer Mahab Ghodss Consulting Engineering Co., Tehran
MEHRDAD ZARGARI
Rock Mechanic Engineer Mahab Ghodss Consulting Engineering Co., Tehran
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