Engineering Seismic Survey Instruments for Geotechnical Survey
Engineering seismic survey instruments used for geotechnical site investigations for buildings and engineering infrastructures, such as dams, levees, bridges, and tunnels, landslide and active-fault investigations, seismic microzonation, and geophysical investigations of historic buildings.
Various seismic survey methods to solve the many challenging engineering problems, including groundwater exploration, coal and mineral exploration, and geothermal exploration.
Application:
1. Landslide Investigations
2.Active Fault Investigations
3.Seismic Microzonation
4. Geophysical Investigations of Historic Buildings
5. Exploration of Earth Resources
Specification
Channel | 6/12/24/48 |
Sample stations |
1024, 2048, 4096, 8192, 16384 Micro-seismic survey, 1M sampling, several notches |
Sampling frequency |
10μs, 25μs, 50μs, 100μs, 200μs, 500μs, 1ms, 2ms, 5ms, 10ms, 20ms |
Micro-seismic survey | 1ms~200ms, selectable A/D converter: 24-bit |
Signal stack and amplification | 32 bit |
Dynamic range | 144dB |
Frequency pass bands | 0.1Hz~4000Hz |
Noise | 1μV(full-frequency) |
Amplitude consistency | ±0.2% |
Phase consistency | ±0.01ms |
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