Advances in Civil Engineering / 2019 / Article / Fig 6

Research Article

Study on Sound Wave Scattering Effects of Different Markers Placed on Dam Face in Deepwater Reservoir

Figure 6

Sound pressure level characteristic curves of three different shape markers under typical frequency sound waves: (a) 7 kHz frequency sound wave, (b) 10 kHz frequency sound wave, and (c) 14 kHz frequency sound wave.