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Secondary Consolidation of Compacted Clay Fill
I think you might be right; i'm going to do a few calcs but not sure what to use for the coefficient of secondary compression (Ca) yet! I guess we need some oedometer tests on re-compacted fills?- mark671
- Post #8
- Forum: Foundation engineering
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Secondary Consolidation of Compacted Clay Fill
The liquid limit of the proposed 5m of clay fill typically ranges from 41-47% with one result (of 8) at 57. Plasticity indices all ranged between 24 and 27%. N values in the Till were 12-17 below the proposed embankment (upper soft layers will be removed). The housing will be piled due to the...- mark671
- Post #6
- Forum: Foundation engineering
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Secondary Consolidation of Compacted Clay Fill
The underlying strata is typical firm clay (glacial till / weathered Charmouth Mudstone), near surface soft materials will be removed and a granular drainage blanket installed, and the piles will need to be designed accordingly. The fill will be variable glacial till / arisings from adjacent...- mark671
- Post #4
- Forum: Foundation engineering
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Secondary Consolidation of Compacted Clay Fill
Hi. I have a proposed residential site where up to 5m of clay fill (glacial till, from various new and old stockpiles) is proposed to be compacted at 95% maximum dry density on a 300mm granular drainage layer. The houses will be piled however is long term settlement of the fill itself an issue...- mark671
- Thread
- Replies: 8
- Forum: Foundation engineering
