Displacement Analysis and Alarming
As part of Ridderhaven’s construction, a material known as OIP (Blast Furnace Slag) was used as a base material under the building and roads. OIP is known to absorb moisture and expand which caused significant cracking of floor slabs and roads.
The supporting columns within the structure were also showing signs of severe displacement, raising concerns of potential structural failure. Remedial works have been undertaken to alleviate the OIP expansion pressure on the columns by means of trench excavations.
A near real-time monitoring system was installed to provide ongoing displacement analysis and alarming during the remedial works programme to warn construction crews of any significant displacements.
A detailed case study of the project can be found here.