Explosion squeezing silt replacement method in seawall construction in steep ramp tideland was used.Because of the seawall height difference between the inside and outside,cast filling in the seawall construction process was liable to slump.The problem was first encountered in a seawall project in Zhoushan,Zhejiang province.Based on the calculation of the stability of the seawall,the seawall filling method was adjusted to pushing the inside faster than the outside,and more explosives were put inside.The cas...