Abstract
In recent years, with the rapid development of high-speed railways, the problem of differential settlement of road-bridge transition sections has become increasingly prominent. The uneven settlement of the road-bridge transition has a great impact on the driving safety and comfort of high-speed vehicles, especially for high-speed railway projects under special ground conditions such as soft stop. And with the continuous increase in train speed and axle weight, the differential settlement requirements at the over-bands are becoming more stringent. The problem of “jump at the bridgehead” has become one of the important factors affecting the safety of highspeed trains. In view of the current situation, theoretical analysis and numerical calculation are used as research methods in this paper. The factors of uneven settlement and deformation of the road-bridge transition section are systematically analyzed and corresponding methods for foundation treatment are proposed.
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