Application of HF Radar Detection in Partition Wall between Cave 5 and Cave 6 in Yungang Grottoes and 3-D Finite Element Stability Analysis of the Grottoes

摘要

In the paper, HF radar detection is firstly used in measuring the thickness variation of the partition wall between Cave 5 and Cave 6 in Yungang Grottoes and has resulted in good effect. Based on profile interpretation of HF radar and refining treatment using SURFER software, a 3-D simulated image could be obtained, and then a 3-D finite element model could be also established by ANSYS software. Using the same method, the paper takes the partition wall as an example, and analyses its stability emphatically through simulating the two caves. The result shows that the method of 3-D finite element assisted by HF radar detection has high precision and provides a new feasible approach to modeling for 3-D finite element stability analysis in grottoes.