Contractors and designers within the coastal protection area meet many challenging situations. Specifications often outline sustainable constructions with highly aesthetically pleasing designs required. It is important to use both technical solutions and materials that withstand long term exposure to impact from harsh environmental conditions.
Coastal defence with high-density concrete blocks
In many civil engineering situations weight is the best solution. With LKAB Minerals’ MagnaDense it is possible to make high density concrete with densities up to 4.0 t/m3.
In the design of rubble mound breakwaters used to protect the coast, the stability of armour layers is one of the most important aspects. By using high density concrete in armour layers, a reduction of the required edge length of cubes with a factor 2 can be achieved meaning that the volume of the cube goes down by a factor 8!
High density concrete is used in coastal concrete blocks of various types including:
All of which benefit from the addition of high density MagnaDense in the coastal defence method. In the video, based on research, you will see a detailed explanation of heavy dense concrete blocks for erosion protection.