Comparison of Presplit and Smooth Blasting Methods for Excavation of Rock Wells
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DOI: 10.1155/2019/3743028
Abstract: To understand differences of smooth and presplit blasting for the excavation of rock wells, two field experiments using these two techniques are implemented at the same test site, respectively. The ground vibrations induced by them… read more here.
Keywords: based presplit; based smooth; excavation; rock wells ... See more keywords
Johnson–Holmquist-II(JH-2) Constitutive Model for Rock Materials: Parameter Determination and Application in Tunnel Smooth Blasting
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DOI: 10.3390/app8091675
Abstract: The Johnson–Holmquist-II(JH-2) model is introduced as the constitutive model for rock materials in tunnel smooth blasting. However, complicated and/or high-cost experiments need to be carried out to obtain the parameters of the JH-2 constitutive model.… read more here.
Keywords: determination; tunnel; smooth blasting; model ... See more keywords