کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
7206332 1468666 2018 8 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Damage-vibration couple control of rock mass blasting for high rock slopes
ترجمه فارسی عنوان
کنترل زبری لرزش و آسیب از انفجار توده سنگ برای دامنه های سنگی بالا
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کلمات کلیدی
شیب زیاد سنگ، انفجار، خسارت، لرزش، زن و شوهر، کنترل،
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
چکیده انگلیسی
This paper focuses on the damage-vibration couple control method which is appropriate for the blasting of high rock slopes. Firstly, the correlation characteristic between the blasting damage depth and the Peak Particle Velocity (PPV) was investigated with regression analysis based on the site measurement of several famous high rock slopes in China. Results demonstrate that a power function relationship could be found and the correlation coefficient exceeds 80%. 3D Numerical simulation of blasting excavation was employed to verify the relationship, and results agree well with that of site experiment. Then, a new damage-vibration couple control approach of high rock slopes was proposed by introducing an Equivalent Blasting Vibration Control Standard (EBVCS). The mathematical description of EBVCS was determined with the stress attention law, and the rationale was verified with the experimental and numerical data. Finally, the damage-vibration couple control approach was implemented carefully during the excavation of Wudongde high rock slope, and the optimization suggestion was put forward. Results demonstrate that the PPV in the radial direction is most suitable for the control approach. The appropriate position of EBVCS established is at the inside of the berm. The detonation distance could affect the correctness of damage-vibration couple approach significantly, and the ideal position is the nearest berm.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Rock Mechanics and Mining Sciences - Volume 103, March 2018, Pages 137-144
نویسندگان
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