拼组式大型行走浮龙门设计与检算

针对水库深水既有桥梁基础、墩台施工吊装难题，以古田溪特大桥7号墩基础施工为背景，研究设计了拼组式大型行走浮龙门，并对其横梁、纵梁及关键工况下的浮体吃水、稳定性、倾斜角等进行了检算，为类似水上装备研究设计提供参考。

Design and Checking Calculation of a Large-Type Assembled Walking Floating Gantry

Aiming at solving the problems of hoisting operations in the construction of existing bridge foundation, piers and a- butments, and with the foundation construction of Pier 7 of the Gutianxi Mega Bridge as a practical example,the design of the assembled large-type walking floating gantry is studied and performed in the paper, with the draft of the floating body of the lateral beam, longitudinal beam and that of the floating body under the key conditions, the stability, the inclination angle, etc. check-calculated. It may serve as a useful reference for the research on and the design of similar above-water equipments.