Typical Row House Pile Alignment · •Ability to get at piles and inspect them Look at pile, soil,...
Transcript of Typical Row House Pile Alignment · •Ability to get at piles and inspect them Look at pile, soil,...
Typical Row House Pile Alignment
Test Pits Outside of Building
Test Pits Inside of Building
Underpinning: Cut and Cap
Sound Part of Pile
Steel Lally Column and Rebar. Will be encased in Concrete up to bottom of Granite.
Granite Pile Cap
Steel Lally Columns Will be encased in Concrete up to bottom Foundation.
Possible Alternatives to Cut and Cap: Bracket Piles
Bracket Piles Brackets
Possible Alternatives to Cut and Cap: Soil Stabilization Techniques
Uretek Resin Jet Grouting
Why Cut and Cap may still be the best option
• Ability to get at piles and inspect them
Look at pile, soil, and groundwater level
• Reliable permanent solution
Engineering assessment and design
Piles cut based on the lowest expected future GW levels
Steel Lally column encased in Concrete to maintain the “load path”, provide bracing, and prevent corrosion
Alternatives may or may not work we know (when properly engineered) cut and cap does work
QUESTIONS?
Sound Piles
Granite Pile Cap
Granite Pile Cap
Sound Pile
Sound Pile
Sound Piles
Rotted Piles Granite Pile Cap
Rotted Pile
Dry but Sound
Pile
Granite Pile Cap
Rotted Pile
© James Lambrechts, 1991