محبوبترین نویسندگان :
نویسندگان مقالات پربازدید :
کنفرانس بین المللی علوم زمین - تهران
جزئیات رویداد
همایش ، رویداد ، ژورنال
اینستاگرام تی پی بین
حوزه های تحت پوشش رویداد

  • investigation of vibrations caused by blasting in the crater of the gotvand oliya dam power plant

    نویسندگان :
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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 915
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     nowadays, blasting has become a main step in mining and construction activities. since blasting is usually carried out near residential and urban areas, it is a necessity that the effects of the vibrations of blasts be studied and a proper pattern, appropriate to the site’s condition, is determined. the purpose of this research has been to study the effects of the vibrations caused by blasting in the crater of gotvand dam on the building and facilities of phase one of this dam’s power plant. to accomplish this, twenty eight records were recorded from twelve blasts and the peak particle velocities were studied based on the “usbm” and the “the directorate general of mines safety (dgms) in india” standards. afterwards, considering the standard proposed for the permissible range of blasting vibrations proportional to the concrete life span, a relation having a safety level of 90% was found for the determination of the amount of necessary explosive for basting near gotvand. also, the displacements of the equipment, being installed in phase one power plant, were measured using geophones mounted on them; the highest displacement was found to be 131 um which are considered acceptable.

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