Intelligent Drilling Depth Monitoring System for Geotechnical Site Investigation

Table 1

Comparison of drillhole depth calculation in two methods.

Coring category	Drilling serial number	Test monitoring depth (m)	Number of drill pipes calculated depth (m)
Soil sample	ZK 1	29.63	29.91
	ZK 2	31.13	31.39
	ZK 3	29.64	29.89
	ZK 4	34.70	34.96