Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mathematical Problems in Engineering
/
2019
/
Article
/
Fig 8
/
Research Article
Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP
Figure 8
Sound velocity at different depths in the double-borehole tests.
(a)
J2-J1
(b)
J2-J3
(c)
J2-J5