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| Research on the Design of Dock Structure for Underpass of S245 Highway |
| WEI Guo—an |
| China Railway First Survey and Design Institute Group Ltd．，Xi’an，Shanxi 7 10043，China |
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Abstract Research purposes: In this paper，the introduction is given to the researches on the calculations of the structural style of road cross—section，soil pressure and buoyancy force resistance for design of the dock structure for the underpass of S245 Highway under the complicated engineering geological and hydrological conditions．
Research conclusions: It is proved that the border conditions，such as buoyant force of underground water，leakage，soil pressure have a great influence on the design and construction of the underground engineering in the area of complicated engineering geological and hydrological conditions，80 all the influence factors should be taken into account in the design to ensure the safety of construction and operation in future．It is feasible，reasonable and safe to adopt dock structure for underpass of highway under complicated engineering geological and hydrological conditions．
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Received: 09 April 2009
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2009, Vol. 26 
