Method and Application of Urban 3D Rapid Modeling of Geology Based on CAD Borehole Logs

Table 1

Engineering geological stratification of shallow soil in Kaifeng west area.

Engineering geological layer	Soil ID	Horizon ID
(1) Layer	Fill soil	1
(2) Layer	Silt	2
(3) Layer	Silty soil	3
(4) Layer	Silty clay	4
(5) Layer	Silty soil	5
(6) Layer	Silty clay	6
(7) Layer	Silty soil	7
(8) Layer	Silty clay	8
(9) Layer	Silty soil	9
(10) Layer	Fine sand	10
(11) Layer	Silty clay	11
(12) Layer	Fine sand	12