The source website is calling this some kind of ‘reverse sinkhole’, which is definitely not the case. The article says there was a period of very heavy rain for about 11 days before this happened, with some areas seeing rainfall intensity up to 6.7 inches in 12 hours. It sounds like the water table rose to very close to the surface and buoyant forces pushed the pool out. The building inspector called it a ‘popped pool’. [Source: Go see a video of this poor homeowners’s pool at Weathernetwork.com via Geoengineer.org. Image: WFLA.com]
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ASTM Standards December Update
This month there are a number of changes to standards relating to masonry units, bricks, dimension stone, etc. There are also some changes to a few standards related to asphalt paving, and groundwater testing. ASTM D6453 – Standard Guide for Format of Computerized Exchange of Soil and Rock Test Data was withdrawn. Read on for the full list.