00 timing optimization tunnels monaco
DESCRIPTION
optimizacion del ciclo de explotacion y voladura de tuneles en monacoTRANSCRIPT
DNA-Blast Software - Timing optimization through numerical simulation
DNA-Blast Software ADVANCED BLASTING OPTIMIZATION SOFTWARE
Timing optimization through numerical simulation Two tunnels in downtown Monaco
By Dr Thierry BERNARD Thierry Bernard Technologie
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
The project
Consists in drilling two tunnels in downtown Monaco
Distances to closest building are very short (30 m)
Vibration limits are 7 mm/s
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Very sensitive environment
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Very sensitive environment
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Vibration monitoring Remote download and set up
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Vibration monitoring Remote download and set up
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
More than 100 holes
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Cut with big empty holed
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Standard design Electric detonator Sequential timer
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Vibration trace at 28 m PPV = 2.2 mm/s
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO Cut with big empty holed Electronic design
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Electronic design Electronic detonators
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
Vibration trace at 18 m
PPV = 1.8 mm/s
DNA-Blast Software - Timing optimization through numerical simulation
TUNNELS UNDER DOWNTOWN MONACO
• Electric sequential blasting
– Vibration level : 2.21 mm/s
– Distance to first seismograph : 28 m< 7mm/s
• Electronic blasting (optimized)
– Vibration level : 1.97 mm/s
– Distance to first seismograph : 18 m