![What is the best way to repair this undermined concrete slab, and how can I prevent future erosion? Slab supports a 20ft shipping container with gross weight of approx. 6000lbs. Photos with What is the best way to repair this undermined concrete slab, and how can I prevent future erosion? Slab supports a 20ft shipping container with gross weight of approx. 6000lbs. Photos with](https://preview.redd.it/dv34asrj7zl31.jpg?width=640&crop=smart&auto=webp&s=b6f50d83b5015f0c4ca7b8af95c32d83601d5400)
What is the best way to repair this undermined concrete slab, and how can I prevent future erosion? Slab supports a 20ft shipping container with gross weight of approx. 6000lbs. Photos with
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hanging - How do I hang a chair from a concrete ceiling using a single hook? - Home Improvement Stack Exchange
![Huge concrete slab found in the kitchen ceiling whilst renovating c1870s house. Nothing of note from above, just a bedroom with standard floorboards with this underneath! What on earth could it's purpose Huge concrete slab found in the kitchen ceiling whilst renovating c1870s house. Nothing of note from above, just a bedroom with standard floorboards with this underneath! What on earth could it's purpose](https://preview.redd.it/7fd3m74uc5941.jpg?auto=webp&s=d5823a706a536e9d3410a6c68ecde17eebca2f8d)