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| Observation, Analysis and Suggestion to the Foundation Settlement of Bridges and Culverts of Harbin-Dalian Passenger Dedicated Line |
| YANG Ji-xin, LI Jia-ming |
| Wuhan University of Technology, Wuhan, Hubei 430063, China |
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Abstract Research purposes：Through the analysis and evaluation of the dynamic observation of the post-construction systematic settlement of the railway bridge and culvert and the observed data on the actually tested settlement, the completion time of the final foundation settlement of bridges and culverts is evaluated, and the paving time of the ballastless track is determined reasonably to ensure the paving quality of the ballastless track of Passenger Dedicated Line. To the special situation encountered in the settlement observation, some suggestions are put forward for providing the reference to the similar works.
Research conclusions：From the observation of the settlement of Yunliang Grand Bridge of Harb in-Dalian Passenger Dedicated Line, and the analysis and evaluation of the settlement observed data, it is concluded by using curve fitting of the curve analysis method that the fitting result of double curves conforms to the real situation of Yunliang Grand Bridge, the stainless steel spiral observation mark should be used and four observation marks should be separately installed on four corners on both sides of the bridge pier, and the repeated observation should be conducted to the benchm ark (at least one CPI point or one CPII point) at fixed time by the same device and same method for improving the settlement observation accuracy.
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Received: 27 October 2009
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2010, Vol. 27 
