magnetic nesting ring to monitor soil layer settlement, and soil layer settlement monitoring device

摘要

Magnetic nesting ring and ground layer nesting monitoring device are provided. The magnetic seating ring includes a magnetic ring body, a clamping device and an annular membrane sleeve. The body of the magnetic ring includes a hollow inner ring cover and a magnet that fills the hollow inner ring cover. From the fixing device, a first end is connected to an outer wall of the annular cover and a second end can fix the previously deposited soil. The annular membrane sleeve has a hollow interior filled with volatile and / or soluble charge. a surface of the annular membrane sleeve has pores for discharging the vaporized and / or dissolved charge. The annular membrane sleeve is elastic and snapsly connected to an inner wall of the annular cover. the annular membrane sleeve is arranged for engagement with the seating pipe.