Question

What are main functions of slip joints in block work seawalls?

Answer

Slip joints are joints that are formed during a complete vertical plane from cope level to toe level of seawalls. These joints are intended in mass work seawalls to cater for likely differential settlements between neighbouring panels of seawalls. Aggregates inside half-round channels in slip joints let for vertical movements induced by differential resolution and at similar time providing collective interlocking forces among neighbouring panels of seawalls to link panels in one component against lateral earth pressure used on seawall.