NUMERICAL STUDY OF TUNNEL BLASTING PARAMETER OPTIMIZATION AND VIBRATION DAMAGE BASED ON THE RHT CONSTITUTIVE MODEL

Numerical study of tunnel blasting parameter optimization and vibration damage based on the RHT constitutive model

To solve the optimization problem of blasting parameters and consider the influence of interaction between blastholes on the spatial distribution of surrounding rock damage, the Riedel-Hiermaier-Thoma constitutive model parameters of marble were first calibrated from numerical trial calculation and impact test.Then, the blasting excavation of a tun

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Human capital development: organizational culture context

In the conditions of the knowledge economy, the most important source of competitive advantages of the organization is human capital.The human capital development is based on the relevant management culture to provide proper material and technical prerequisites for motivating both high activity culture standards and productive performance.Hence eff

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Simulation-based evaluation of operating room management policies

Abstract Background Since operating rooms are a major bottleneck resource and an important revenue driver in hospitals, it is important to use these resources efficiently.Studies estimate that between 60 and 70% of hospital admissions are due to surgeries.Furthermore, staffing cannot be changed daily to respond to changing demands.The resulting hig

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