河道与滩区治理组合板桩抗倾覆稳定计算.

The special-shaped steel structure composite pile technology is proposed in the national key science and technology research and development plan of the lower Yellow River channel and beach area treatment research project, so as to achieve the purpose of the stability control of reclaimed water river regime, the improvement of sediment transport capacity and the common adaptation of special flood discharge. The structure of steel sheet pile composite dam is special, so there is no ready-made technical model and specification for reference. Therefore, based on the safety factor method, this paper put forward a safety and stability analysis and calculation method suitable for the new steel structure prefabricated sheet pile composite dam and calculated the overturning stability of the steel structure sheet pile composite dam demonstration project. According to the general layout requirements and basic mechanical principles of the demonstration project, combined with the engineering environment, geology, hydrology and other conditions, the weighted method was adopted to reflect the influence of the actual contact of different parts of the foundation on the anti-overturning of sheet pile and pipe pile. The calculation results show that the safety factor of anti-overturning is 1.43, which is slightly less than that of the minimum value of 1.50 required by the code. [ABSTRACT FROM AUTHOR]