| Title |
Horizontal Stress Analysis of Electric Pole using Earth Pressure Cell from Mock-Up Tension Test |
| DOI |
http://dx.doi.org/10.5207/JIEIE.2010.24.8.062 |
| Keywords |
Electric Pole ; Anchor Block ; Pull-Out Test ; Horizontal Earth Pressure |
| Abstract |
Many electric poles in the softground have been collapsed due to external load. In this study, 10 types of tests were performed with variation of location, numbers and depths of anchor blocks as well as depth of poles to find horizontal earth pressure through full scale pull-out tests. The horizontal earth pressure increased with embedded depth of electric pole, and earth pressure of lower passive zone decreased. The deeper of anchor block, earth pressure of passive zone becomes less. 4 anchor blocks decreased earth pressure at G.L.-0.9[m]. It is considered that 4 anchor blocks installed along 80[㎝] vertically are main reason. Overall, when more anchor blocks are constructed, excavation area is large, and constructivity such as backfill is bad, therefore one anchor block would be preferred. |