Analysis and research of the pressure mud vibro mechanism show that the pressure mud vibro can improve the load-bearing capacity through crowding, gluing, splitting diameter expanding.

• 摘要沉管压浆成桩承载力机理分析得知，压浆桩主要通过挤密、胶结、压浆劈裂和渗透、扩径作用来提高单桩承载力。