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Borehole GPR to Detect and Map Deviated H-Pile Foundations
The East Side Combined Sewer Overflow (CSO) Tunnel in Portland, Oregon will pass through a major elevated freeway interchange where it will negotiate a series of steel H-pile deep foundations. Given the high risk of encountering an obstruction during tunnel excavation, geophysical techniques were used to assess the risk of encountering H-pile foundations. Borehole ground penetrating radar and magnetometer surveys were performed along the proposed tunnel alignment to detect potential deviant H-piles. Results of the survey indicated a deviant pile that potentially conflicted with the proposed tunnel alignment and the alignment was subsequently relocated to avoid the potential obstruction.
Borehole GPR to Detect and Map Deviated H-Pile Foundations
The East Side Combined Sewer Overflow (CSO) Tunnel in Portland, Oregon will pass through a major elevated freeway interchange where it will negotiate a series of steel H-pile deep foundations. Given the high risk of encountering an obstruction during tunnel excavation, geophysical techniques were used to assess the risk of encountering H-pile foundations. Borehole ground penetrating radar and magnetometer surveys were performed along the proposed tunnel alignment to detect potential deviant H-piles. Results of the survey indicated a deviant pile that potentially conflicted with the proposed tunnel alignment and the alignment was subsequently relocated to avoid the potential obstruction.
Borehole GPR to Detect and Map Deviated H-Pile Foundations
Pennington, Thomas W. (author) / French, Rowland (author) / Cook, Roy F. (author) / Cleys, Tammy (author)
Seventh International Symposium on Field Measurements in Geomechanics ; 2007 ; Boston, Massachusetts, United States
FMGM 2007 ; 1-11
2007-09-21
Conference paper
Electronic Resource
English
| Springer Verlag | 2017
| UB Braunschweig | 1961
| TIBKAT | 1961
Engineering Index Backfile | 1892