Soft soil roadbed settlement monitoring method and device
A settlement monitoring and soft soil roadbed technology, applied in the direction of foundation structure engineering, foundation structure test, construction, etc., can solve the problems of low monitoring efficiency, damage to the integrity of compacted roadbed, unable to continue monitoring, etc., to reduce the reference point Errors and artificial errors, meeting the requirements of low-cost long-term monitoring, and the effect of simple and reliable measurement methods
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[0028] The details and working conditions of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0029] The monitoring method is very simple. After the monitoring device is installed once before construction, the digital display is directly connected to the lead-out cable, and the displacement value is read in real time. When storing equipment, the automatic monitoring can be performed as long as the frequency is set.
[0030] The specific implementation steps are as follows:
[0031] ①Buried working benchmark pile
[0032]Drill holes at the position of the roadbed where settlement monitoring points are needed. When drilling, use mud to protect the wall. The hole penetrates the soft soil layer 19, the bottom of the hole enters the hard soil layer 20 to a certain depth, and then the lower layer PVC pipe 12 is inserted into the hole. Grouting equipment is used to pour cement mortar into the lower PVC pipe 12 to form a sand...
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