An introduction to Chinese safety regulations for blasting vibration |
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| Authors: | Wen-bo Lu Yi Luo Ming Chen Da-qiang Shu |
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| Institution: | 1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, 430072, China
2. Key Laboratory of Rock Mechanics in Hydraulic Structural Engineering, Wuhan University, Ministry of Education, Wuhan, 430072, China
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| Abstract: | By reviewing the development history and the state-of-art, this paper introduces Chinese safety regulations for blasting vibration for adjacent structures and equipments, as well as for structures themselves under blasting operation, such as high rock slopes, underground caverns, foundation rock masses, and fresh concrete. The mechanism of failures or damages induced by blasting vibration, the analysis methods of dynamic stability for rock slopes and surrounding rock mass of underground caverns under blasting vibration, and the influence of blasting vibration on early-aged concrete, etc., are analyzed or explained. Standards adopted in China are compared with those adopted in some other countries. Furthermore, the main problems considered in the revision of Chinese national and industrial regulations are discussed, such as the distinction of different damage mechanics induced by propagation of blasting vibration in rock mass and by dynamic response of various structures, the influence of vibration frequency and duration and so on. |
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