Dam dangerous case emergency early warning system
An early warning system and danger technology, applied in the radio wave measurement system, satellite radio beacon positioning system, climate change adaptation, etc., can solve the hidden dangers of dikes and the single detection, detection and monitoring technology, and the safety threat of flood control and lingering projects, which cannot be completely solved. Meet the needs of engineering safety management and other issues
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Embodiment 1
[0150] An emergency early warning system for embankment dangers, which specifically implements the layout section DF-I. Instruments are arranged in the section area to meet the surface displacement of the slope surface on the backwater side of the embankment, the infiltration line of the dike body and embankment foundation, the water level of the Yellow River, and the horizontal displacement of the test section through GPS. For the monitoring of settlement deformation, dike settlement and video monitoring are not carried out on this section, and the instruments used include soil displacement meters, piezometers, radar water level gauges, lightning rods, solar panels, and information collection boxes;
[0151] Wherein, the construction method of monitoring the surface displacement of the slope surface on the back side of the embankment has the following steps:
[0152] (1) Check the package, including soil displacement sensor, measuring rod and measuring rod protection tube, end...
Embodiment 2
[0179] An emergency early warning system for embankment danger, specifically implementing the layout section DF-Ⅱ, where CNSS receivers are arranged in the area of the section, and the section is a monitoring station for the horizontal displacement and settlement deformation of the test section through GPS. No surface displacement, embankment settlement and video monitoring on the backwater side of the embankment;
[0180] Wherein, the construction method of the horizontal displacement and settlement deformation monitoring of the test section carried out by GPS, its steps are as follows:
[0181] (1) After selecting the points, excavate the monitoring pier foundation, and place the pier foundation in the bedrock (reference station) or in the undisturbed soil layer (monitoring station). The specific operation is: dig a foundation pit at the monitoring point, and the size of the foundation pit is length×width×height=1.5m×1.5m×1.5m. Then evenly anchor 8 φ12 steel bars into the...
Embodiment 3
[0192] In this embodiment, the monitoring equipment, construction method and dam safety monitoring system structure are the same as in Embodiment 1, the difference is that the dike section size and the installation position of the monitoring equipment are different, see image 3 with Figure 8 .
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