Rapid Load Testing on Piles

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Rapid Load Testing on Piles

This paper will give an overview of the state of the art on rapid load testing and the
background of the second seminar on rapid load testing in Delft. The history of the
test is shortly presented. The benefits and differences of the rapid load test are compared
with the Static load test and dynamic load test.
The main scientific questions: the rate dependency of clay, excess pore water pressures
in sand and the interpretation models, are shortly discussed. The standard for
execution of rapid load tests and guideline for interpretation are presented.
This introduction includes a short introduction of the advanced literature in this
book.




1.1 Background of the research

The rapid load test seems to be a good and economical alternative for the Static load
test on piles. Examples of this test method are Statnamic (Janes et al. 1991) and the
Pseudo-Static Pile Load Tester (Schellingerhout & Revoort 1996). However, in Europe
the application of such tests is hindered by the discussion about the interpretation
of the test. This hindrance can be overcome by proper regulation of the test, and an
international project has been started with the objective of developing a Standard for
the execution of a rapid load test and Guidelines for the interpretation of the test

Contents:
Seminar papers: Advances in international research
  1. Belgian national project on screw piles
  2. Recommendations for Statnamic use and interpretation of piles installed in clay
  3. Load transfer in rapid load pile tests in clays
  4. Practice of rapid load testing in Japan
  5. Influence of rate effect and pore water pressure during Rapid Load Test of piles in sand
  6. Concrete stress determination in Rapid Load Tests
Delft Cluster project
  1. Rapid model pile load tests in the geotechnical
  2. Rapid model pile load tests in the geotechnical
  3. Database of field measurements of SLT and RLT for calibration
  4. Draft standard for execution of a rapid load test


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