Analysis of positive elevation effect and prediction of vibration velocity of bench blasting vibration

• Autorzy: Zhang X. J. , An H. M.

Identyfikatory

DOI

10.24425/ace.2021.136492

• Języki publikacji: EN

Abstrakty

EN

Accurate prediction of blasting vibration should be achieved in mine blasting production practice. It is also a critical problem in the field of blasting vibration control technology research. In this research paper, on the basis of the previous research results and taking account into the reflection principle of elastic wave at the free interface, the authours proposes the blasting seismic wave propagation model. In addition, the blasting positive elevation effect are theoretically explained in detail, and the vibration velocity prediction formula of the positive elevation effect is derived. Finally, the positive elevation effect mechanism and the step (positive) formula are calibrated based on the on-site monitoring data of blasting vibration of Qipanjing Jinou coal mine. In beirf, a theoretical basis is laid by this paper for similar blasting projects.

Słowa kluczowe

EN

blasting vibration; positive elevation effect; step formula; mine; blasting

PL

drgania wybuchowe; efekt podniesienia pozytywny; formuła kroku; strzał; kopalnia

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2021
• Tom: Vol. 67, nr 1
• Strony: 599--618
• Opis fizyczny: Bibliogr. 29 poz., il., tab.

Twórcy

autor

Zhang X. J.

• School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, China.

autor

An H. M.

• Kunming University of Science and Technology, Faculty of Public Security and Emergency Management, Kunming, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).