Despite the greatly expanded scope of work, largely brought about by the need to support the warehouse surface bed in addition to the key foundations - an item which was essentially not fully budgeted for - the ground improvement designers were constrained to do whatever possible to protect the budget against significant cost overruns. As the geotechnical specialist was appointed on a design-as-you-construct basis, an iterative grouting methodology was adopted, comprising initially broad concentric circles of progressively concentrated grouting, rather than a simpler sequential operation from one side of the site to the other, drilling all possible nodes in the process.
展开▼
