土留め (1)

[III-61] Application of Vibration Method to Field Measurements for Residual Tensile Load of Ground Anchors Based on Comparison with Lift-off Test

*Mitsuru Yamazaki¹, Takahiro Kitamura¹, Hideki Saito², Takamasa Niibe², Naoto Ogawa², Atsushi Yashima³ (1. Central Nippon Highway Engineering Nagoya Co., Ltd., 2. OYO Corp., 3. Gifu University)

Keywords:Ground anchor, Residual tensile load, Resonance frequency, Lift-off test