SlideShare a Scribd company logo
Auger Boring
A
u
g
e
r
B
o
r
i
n
g
Rock Reamer
Cleaning Bucket
Rock Reamer
๏ƒ’ many tests methods have been used over the
years to test the pile
๏ƒ’ In Tension Pile method a reaction frame is
constructed around the test pile
๏ƒ’ the frame is anchored to reaction(Tension)
piles
๏ƒ’ pile is incrementally loaded with an hydraulic
jack
๏ƒ’ the test load is measured by a Load Gauge
๏ƒ’ deformation is measured with dial gauges,
and surveying instruments
๏ƒ’ apply load in 10 to 15% increments,
maintaining a 30 minute interval
๏ƒ’ check deformation readings immediately
before and after applying load
๏ƒ’ incrementally increase load until reaching
200% of the design load
๏ƒ’ remove the load in 4 equal decrements
๏ƒ’ plot the load-settlement data
๏ƒ’ the point where the load-settlement curve
crosses the failure criterion is the failure load
(Qf)
Geotechnical Profile of
the Site
Lec 8 pile load test

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Lec 8 pile load test

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  • 41. ๏ƒ’ many tests methods have been used over the years to test the pile ๏ƒ’ In Tension Pile method a reaction frame is constructed around the test pile ๏ƒ’ the frame is anchored to reaction(Tension) piles ๏ƒ’ pile is incrementally loaded with an hydraulic jack
  • 42.
  • 43. ๏ƒ’ the test load is measured by a Load Gauge ๏ƒ’ deformation is measured with dial gauges, and surveying instruments ๏ƒ’ apply load in 10 to 15% increments, maintaining a 30 minute interval ๏ƒ’ check deformation readings immediately before and after applying load
  • 44. ๏ƒ’ incrementally increase load until reaching 200% of the design load ๏ƒ’ remove the load in 4 equal decrements ๏ƒ’ plot the load-settlement data ๏ƒ’ the point where the load-settlement curve crosses the failure criterion is the failure load (Qf)
  • 45.