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The EEVblog Lab Building Complex has SHIFTED

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EEVblog:
The building next door to the lab which shares the same underground carpark has "shifted" by 25mm, and there are now struts holding up the underground carpark on both levels, with the higher level having a giant crack in the slab along the axis of the struts  :o

And above the two basement floors outside right above, a large stretch of all the pavers have shifted. Hard to see in the photo. Similar length to the basement cracking. They have dug up two sections to inspect the probable slab shift.

Technically, not a problem that affects my building, yet, but they are joined at the hip.

I would be surprised if all occupants of the building next door get told to leave. These has been a big spate of these in Sydney with apartment blocks.

Zero999:
Do you know why? Could it have been a small earthquake?

SeanB:
Going to guess the complex is around 10 to 15 years old, and this is the foundations settling, probably due to them either being originally piled and filled during construction. Then due to shifting rainfall and a dry period the ground dried out slightly, and the ground has shifted, or there has been steady watering of the grounds, making the ground compact down. There is a building complex near me that has had some settlement, the one side has settled down by around 40cm over 10 years, leaving a gap in the building between the two halves of the building.

There was a point when the gap was big enough in the expansion gap to pass a person through, before the gap had a filler piece inserted in there.

I would guess the same for this, with the bracing being there to prevent the edge crumbling with the load of the ground outside.

EEVblog:

--- Quote from: Zero999 on July 29, 2021, 03:31:01 pm ---Do you know why? Could it have been a small earthquake?

--- End quote ---

No idea yet. All we know is it's moved.

EEVblog:

--- Quote from: SeanB on July 29, 2021, 05:12:19 pm ---Going to guess the complex is around 10 to 15 years old
--- End quote ---

I believe it's around 17 years old or so.
Actually, that's my building. This one next door is a couple of years younger. The movement is in the expansion joint between the two buildings.

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