Emergency treatment method for sudden gushing of high confined water stratum foundation pit
A technology for emergency treatment and foundation pit inrush, applied in infrastructure engineering, construction, etc., can solve problems such as the inability to fundamentally solve foundation pit inrush, unfavorable protection of groundwater resources, and difficulty in ensuring the effect, and avoid well location. Select constraints, the processing effect is intuitive and verifiable, and the effect of less equipment
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[0025] Below in conjunction with accompanying drawing, the present invention will be further described.
[0026] figure 1 Shown is the structural representation of the implementation of the present invention, as can be seen from the figure, when high pressure water gushing point 10 is encountered in the foundation pit excavation process, in order to reduce the pressure water head, and do not implement dewatering well, Learn from the principle of decompression wells in dewatering engineering; at the same time, in order to quickly control water inrush and avoid flooding the foundation pit, steel casings can be directly installed at the water influx point as energy-releasing decompression wells to create construction conditions without obvious inflow in the foundation pit for easy construction Grouting plugging. According to this emergency treatment idea, the emergency treatment method for foundation pit inrush in high confined water formation includes the following steps:
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