The effect of active tectonic structures around the Gol-Gohar mineral area on seismicity with a particular attitude on the deterministic approach
- سال انتشار: 1402
- محل انتشار: سومین کنفرانس بین المللی پژوهش ها و دستاوردهای نو در علوم، مهندسی و فناوری های نوین
- کد COI اختصاصی: SETBCONF03_002
- زبان مقاله: انگلیسی
- تعداد مشاهده: 163
نویسندگان
Graduate of the Master's Degree in Mining Engineering- Rock Mechanics, University ofTEHRAN,
چکیده
As a part of the Alpine-Himalayan orogenic belt, Iran has always enjoyed high seismicity throughout history, in such a way that several devastating earthquakes have destroyed various parts of the country. In most parts of Iran, seismicity is directly related to the reactivation of faults, and the highest amount of seismicity has occurred in connection with active faults. Most known seismic faults in Iran have a length of more than ۴۰ km, and all of them have been associated with destructive earthquakes. The direction of the seismic faults of Iran indicates a pressure direction in the order of SSW-NNE, which is in harmony with the direction of the northeast movement of the Arabian plate. In Iran, the compressive stresses caused by the opening of the Red Sea and the movement of the African-Arabian plate, as well as the movement of the Indian plate, cause different relative displacements in the various continental and oceanic crusts and bowls of Iran and as a result, it is the cause of the frequency of earthquakes in Iran. In this research, the faults within a radius of ۱۵۰ kilometers of the Gol-Gohar mining area have been investigated, and based on the existing relationships, the maximum horizontal and vertical acceleration caused by each of these faults has been determined. Based on the results of the study on the faults in the area, the Gol-Gohar-Khairabad fault has been selected as a critical fault in the earthquake risk in the area. As can be seen in the results obtained from the earthquake risk analysis in a deterministic way, such a fault has the potential to cause an earthquake with a magnitude of ۷.۲ on the Richter scale, horizontal acceleration of ۰.۵۱ g and vertical acceleration of ۰.۲۸ g It will have at the design location.کلیدواژه ها
Earthquake, Seismology, Gol-Gohar Mine, Techtonic, Deterministic Methodمقالات مرتبط جدید
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