The Instability Mechanism And Seismic Dynamic Response Numerical Simulation Of Shallow Sea Embankment

Maritime space in our country is vast and with a long coastline, the coastline length18000km, land more than6500islands,14000km long coastline, sea defense is to defend thecoastal provinces and autonomous regions near400million people’s life and property safety,and holds up the fruits of the rapid development of coastal economy. In recent years, globalwarming, sea level rise, storm surge, the earthquake and tsunami disasters occur frequently, incoastal sea walls to resist natural disasters ability put forward higher request, mainly defenseearthquake storm surge of seawalls, both body stability ensure smooth road, and often largebody instability and deformation damage serious threat, Therefore this paper will deeplyshallow sea embankment instability mechanism and seismic analysis numerical simulationresearch.The problems existing in the shallow sea embankment as the research background bythis paper, summarizes six main damage damage form of shallow sea embankment, metshallow sea embankment engineering destroy of road surface under the action of earthquakewaves, and thus in-depth analysis and reveal the instability and failure of shallow seaembankment main reason to cause an; Through the analysis of shallow sea embankmentconstruction and design at home and abroad, summed up five kinds of main design method ofshallow sea embankment project; For shallow water ordinary embankment engineeringinstability of tidal flats embankments, and reinforce the expansion problem, using the finiteelement numerical simulation reproduces by process and instability mechanism, and putsforward some effective measures and design; Through the analysis of shallow sea hybridembankment design, its construction process and control study, the soft soil foundationreinforcement measures carried out in-depth analysis, numerical simulation for softfoundation treatment measures in laying a foundation for the practical application inengineering; Shallow water slope type and hybrid embankment are analyzed seismic wavesaffect the rationality of the design method of embankment, reveals that the shallow slope typeand hybrid embankment overall stability, and intensity of seismic dynamic response and theslope stability under the influence of the reduction, the design method for shallow seaembankment optimized solutions Suggestions were put forward.Thesis research on the shallow sea embankment design method and the mechanicalproperties of shallow sea embankment construction and by cause analysis provides the basisfor in-depth understanding of shallow sea embankment instability problems and design methods, to provide reference for the construction of similar shallow sea embankmentengineering experience.