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Risk Analysis of Subway Crossing Irregular-Plate Bridge and Technical Scheme of Controllable Active Pile Underpinning
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Hu Yougang,He Ping
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Table 5 Control parameters during the underpinning construction process
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| Underpinned pier column No. | Jacking force/kN | Mid-span relative displacement of the girder/mm | Mid-span stress/MPa | 17-3
(2010.10.7) | South | 2333 | 6.0 | / | | North | 2357 | 17-10
(2011.01.10) | South | 2525 | 6.2 | / | | North | 2522 | 8-3
(2011.11.9) | South | 2903 | 5.6 | 97.72 | | North | 2454 | 8-10
(2011.11.15) | South | 2666 | 5.9 | 117.11 | | North | 2719 |
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