Earthwork filling monitoring device and method based on three-dimensional laser scanning

Abstract

The invention discloses an earthwork filling monitoring device and method based on three-dimensional laser scanning. The monitoring device comprises a data detecting module and a monitoring module. The monitoring module comprises a field processing module, a remote monitoring module and a handhold wireless terminal. The field processing module comprises a field server and a field processing terminal. The remote monitoring module comprises a remote server and a remote monitoring terminal. The monitoring method comprises the following steps: step one, collecting data and synchronously storing; step two, pre-processing of the data transmission; step three, the data transmission; step four, field data remote monitoring and diagnosing; and step five, repeatedly executing the step one to the step four for several times, until finishing the monitoring process of the construction earthwork filling. The monitoring device and method have the characteristics of rational design, simple and convenient operation and good using effect, and are capable of accurately monitoring the construction earthwork filling in real time, and the detection result is accurate.

Description

technical field [0001] The invention belongs to the technical field of earthwork filling monitoring, and in particular relates to an earthwork filling monitoring device and method based on three-dimensional laser scanning. Background technique [0002] Earthwork filling projects are all built in barren hills and slopes, with complex topography, short construction time, large-scale excavation and filling, and high compaction quality requirements for the earthwork filling bodies formed by earthwork filling. The methods often used in earthwork filling construction are strong compaction method and impact rolling method. The strong compaction method is the dynamic compaction method, also known as the dynamic consolidation method. Falling freely from a height of 6 meters to 40 meters, using powerful tamping energy, generates strong shock waves and dynamic stress in the foundation, and tamps the soil layer strongly; the impact rolling method uses the principle of compaction, throug...

AI Technical Summary

Problems solved by technology

The monitoring method used today belongs to post-event monitoring, and the layout of monitoring points is limited. Although it has a certain monitoring effect on earthwork filling, the quality of the overall earthwork filling project cannot be judged whether the final test results are qualified or not; in addition, earthwork filling In the process of building layers, the traditional ring knife method is generally used to sample on-site to detect the compaction coefficient of the earth filling layer. Generally, the compaction coefficient of a point in the earth filling layer is used as the compaction coefficient of an earth filling layer, and then each The compaction coefficient of the earth filling level is equivalent to the compaction coefficient of the entire earth filling body, which is a detection method of "substituting points for surfaces and surfaces for bodies"

Therefore, the test results are discrete, and the test results cannot truly reflect the overall compaction coefficient of the entire earth filling body, and the overall compaction coefficient often depends on the number and frequency of sampling, so the operation is not only complicated and costly, but also Sampling and testing each time consumes manpower and time. The staff go back and forth between the construction site and the test room, the test efficiency is low, and the test progress cannot efficiently meet the construction needs.

[0003] From the above content, it can be seen that when the current monitoring devices and methods are used for earthwork filling, not only the operation is complicated, the efficiency is extremely low, and the construction needs cannot be met; moreover, the detection data deviates from the actual value, the accuracy of the detection data is low, and the measurement results The error is large, which cannot meet the accurate requirements of construction

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