I need to design a slab-on-grade that can withstand 4 outrigger loads from a 130t mobile crane. I've designed a fair few crane pads on compacted gravel, but never a permanent concrete area.
So far I've got spreader mats under each outriggers to spread the (huge!) point loads. I've checked the...
Buried RC Tank - 9m x 9m (square) x 6m deep, plus 1.5m nib. Simplified the geometry for discussion purposes.
I've considered two loads cases; 1) tank full and no backfill, and 2) tank empty with backfill in place.
The walls are designed as two-way spanning 'panels' (using boundary conditions...