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Landslides and mudslides caused by "heavy rain" or "earthquakes" are called "slope failures" and are distinguished from "landslides"!

"Landslides" can occur even on gentle slopes compared to slope collapses. They continue to slide slowly every day without stopping, and due to the depth of the sliding surface, the scale of the collapse can be many times larger. Even if they stabilize for a while, if the groundwater level rises, sliding can recur, leading to long-term impacts on the region's socio-economic activities. "Water drainage boring" is a construction method to remove water from the ground, as the name suggests. While "investigation boring" involves vertical drilling (downward), it is also called "horizontal boring" because it is drilled in a horizontal upward direction. The drilling diameter ranges from 60φ to 90φ, and the drilling length can be as short as 5m or exceed 80m for longer ones. Since the drilling holes would collapse if left as they are, PVC or iron pipes with 4mm holes are regularly arranged and inserted as "hole preservation pipes" down to the bottom of the hole. Water flowing into the holes of these "hole preservation pipes" is directed to an outlet, thereby discharging groundwater to the surface. "Water drainage boring" is a construction method aimed at suppressing the occurrence and reactivation of landslides. *For more details, please refer to the related links or feel free to contact us.

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