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Piled Raft Foundation
It was designed presuming the weight of the structure would be transferred to the piles through arching in the gravel in combination with the geogrid in the gravel; however, the H-piles are not equipped with plates on top. The pile spacing seemed to be to big for this arching to occur and...- Dirt Guy
- Post #7
- Forum: Foundation engineering
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Piled Raft Foundation
There is no backfill placed above the structure. Just the structure itself. There will be a significant net stress decrease at the bottom of the raft.- Dirt Guy
- Post #5
- Forum: Foundation engineering
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Piled Raft Foundation
The geotech has a difficult time explaining it. They pretty much say this is a modified load transfer platform and that when the structure is constructed, the gravel will arch to the tops of the H-piles, but I have a hard time understanding how the load from the structure gets distributed...- Dirt Guy
- Post #3
- Forum: Foundation engineering
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Piled Raft Foundation
I am working on a project where the geotechnical design engineer has implemented a piled raft foundation for a bridge. The soil conditions in the area consist of relatively weak saturated glacial lacustrine clays (CH). In order to construct the bridge at the required elevation, an excavation...- Dirt Guy
- Thread
- Replies: 8
- Forum: Foundation engineering
