Mathematical Problems in Engineering / 2015 / Article / Tab 2

Research Article

Planning Tunnel Construction Using Markov Chain Monte Carlo (MCMC)

Table 2

Summary of statistical adjustment for unit operation.

Unit operationParameters Probability Distribution
Used dataMeanMedianModeStandard deviationCoefficient of variabilityMinimumMaximum

Drilling137195.45193.89190.2338.080.1970.98392.79Beta

Load and blasting13356.0955.7654.9811.640.2014.77113.51Beta

Ventilation13690.0090.0090.000Constant

Scaling 13526.0825.2423.546.770.258.04Lognormal

Mucking13570.0365.6658.3320.220.2830.95Gamma