Transcription of Pile Design to BS EN 1997-1:2004 (EC7) and the National Annex
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Pile Design to BS EN 1997-1:2004 (EC7) and the National Annex
1 Geotechnical Design to EC713 January 2017 pile Design to BS EN 1997-1:2004 (EC7) and the National AnnexChris Raison BEng MSc CEng MICE MASCER aison Foster Associates Tel:024 7641 0338 Mob:07974 005990 Address:7 Riverford CroftCoventryCV4 7HB Web Design to EC713 January 20173 Geotechnical Design to EC713 January 2017 What am I going to talk about? Concentrate on Practical Applications Brief Review of theTraditional Design Approach What is Different in EC7? EC7 Geotechnical Design : Part 1: Chapter 7 Piles UK National Annex : Model Factor EC7 Design Method and Partial Factors4 Geotechnical Design to EC713 January 2017 What am I going to talk about? Other Aspects of pile Design Negative Shaft Friction Horizontal load Structural Design Worked Example for a Site In Suffolk Conclusions5 Geotechnical Design to EC713 January 2017 Some History & Background 1974-1975:First proposal to develop international codes 1990:CEN (European Committee for Standardisation) set up 2004:BS EN 1997-1 (Eurocode 7, Part 1) and its UK National Annex were published6 Geotechnical Design to EC713 January 2017 Some History & Background Other Eurocodes important for piling:BS EN 1997-1 Geotechnical DesignBS EN 1990 Basis of Structural DesignBS EN 1991-1-1 Actions on StructuresBS EN 1992-1-1 Design of Concrete StructuresPlus Execution Codes7 Geotechnical Design to EC713 January 2017 Some History & Background April 2010:Most geotechnical standards and Co
Pile Design to EC7 Static load tests Ground tests (using direct correlations), e.g. CPT or PMT Dynamic impact tests, e.g. CAPWAP Statistical corrections required to account for number of test results (correlation factor) EC7 concentrates on pile design by testing. There is little reference to design by calculation – the normal
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