Lecture 5 - Introduction to ETC10 Design Examples 2 (Bond)

Andrew Bond

2nd International Workshop on Evaluation of Eurocode 7, Pavia, Italy, April 2010

• ETC10 Design Examples 1• ETC10 Design Examples 1• Survey procedure for Design Examples 2• Contributions received• Contributions received• Confidence in the designs• Variation in the resultsVariation in the results• Programme for tomorrow


Introduction to ETC10 Design Examples 2


10 examples & ‘model solutions’:1. Pad foundation with vertical central

l dload2. Pad foundation with inclined eccentric

load3 Pil f d i d i d f il3. Pile foundation designed from soil

parameter values4. Pile foundation designed from pile

load testsload tests5. Cantilever gravity retaining wall6. Embedded retaining wall7 A h d i i ll7. Anchored retaining wall8. Uplift of deep basement9. Failure by hydraulic heave10. Road embankment on soft clay


174%

194%

177%175%

200%

Dublin (all results, normalized by mean)

147%140%

160%

Dublin (normalized interquartile range)

127%

140%

118%

144%136%

149%

125%

150%

108%

120%117% 116%

130%

119%

129%

105%109%

105%

120%

140%

76%

59%54%

65%

9%

65%

52%

70%

50%

75%

100%105%

89%

68%

94%87%

79%80%

71%

93%98%

87%

77%

94%100% 98%

84%

105%

80%

100%

41% 49%

0%

25%

68%

60%

40%

60%


Design Description No Reporter gExample

presponses

p(MG advisor)

2-1 Pad foundation with vertical central load on dense sand

24 Carsten Sørensen(Trevor Orr)central load on dense sand (Trevor Orr)

2-2 Pad foundation with inclined load on boulder clay

15 Norbert Vogt(Giuseppe Scarpelli)

2 3 Pil f d i i iff l 17 Ad i S2-3 Pile foundation in stiff clay 17 Adriaan van Seters(Brian Simpson)

2-4 Earth and pore water 17 Hans Schneiderpressures on basement wall (Andrew Bond)

2-5 Embankment on soft peat 12 Eric Farrell(Bernd Schuppener)( pp )

2-6 Pile foundation in sand 13 Boleslaw Klosinski(Roger Frank)

T t l 98Total 98


Luigi AlbertLorenzo AllieviTiziana De Angelis

Federica FormatoMarco FranceschiniRoger Frank

Luca MasiniJacques MonnetPaolo OrlandiniTiziana De Angelis

Sean ArnoldBenjamin AulbachMarco Balducci

Roger FrankBeata GajewskaPaweł GalasHans-Georg Guelzow

Paolo OrlandiniTrevor OrrIsabella PacekRoberto PersioF P t llRaffaella Di Battista

Jose Mateus de BritoBuilding Research Institute (PL)David Carlaccini

Takashi HaraDirk HeckhoffYusuke HonjoPhilip Jenkins

Francesco PetrellaSimona SacconiMonika SawkaGiuseppe Scarpelli

E. CattoniM. CecconiClaudio ConsortiPhil Cullen

p JH.-G. KempfertThuyChung KieuLeDariusz KiziewiczBoleslaw Klosinski

Valentina SchembriJoerg SchreiberBernd SchuppenerBrian Simpson

Phil CullenAlastair CurryClaus DannenmannTiziana De Angelis

Boleslaw KlosinskiAdam KrasinskiSylvia KuertenMariusz Leszczynski

Panagiotis SitareniosCarsten SorensenStephan StalterMario Steinhagen

Jonathan DewsburyJeannine EisenmannAnita EtzSilvia Ferrero

Frank LettkoJudith LonzenJ. LuekingEleonora di Mario

Fritz StraussElias TafurS. ThomasOleksandr Zimels


175%

200%

Pavia (all results, normalized by mean)

139%140%

160%

Pavia (normalized interquartile range)

136%

114%

139%

154%

141%

121%

100% 100% 100% 100% 100%100%

125%

150%

115% 110% 111%

139%

121%

105%104% 108% 103% 105%100%

120%

140%

70%76% 73%

36%

86%

100%100%

100% 100% 100% 100%

50%

75%

100%

79%86% 86%

67%

88% 94%95% 97%

80%

100%

26%36%

0%

25%

40%

60%


174%

194%

177%175%

200%

Dublin (all results, normalized by mean)

175%

200%

Pavia (all results, normalized by mean)

127%

140%

118%

144%136%

149%

125%

150%

136%

114%

139%

154%

141%

121%

100% 100% 100% 100% 100%100%

125%

150%

76%

59%54%

65%

9%

65%

52%

70%

50%

75%

100%

70%76% 73%

36%

86%

100%100%

100% 100% 100% 100%

50%

75%

100%

41% 49%

0%

25%26%

36%

0%

25%


147%140%

160%

Dublin (normalized interquartile range)

139%140%

160%

Pavia (normalized interquartile range)

108%

120%117% 116%

130%

119%

129%

105%109%

105%

120%

140%

115% 110% 111%

139%

121%

105%104% 108% 103% 105%100%

120%

140%

105%

89%

68%

94%87%

79%80%

71%

93%98%

87%

77%

94%100% 98%

84%

105%

80%

100%

79%86% 86%

67%

88% 94%95% 97%

80%

100%

68%

60%

40%

60%

40%

60%


Session 2 (Chair: Giuseppe Scarpelli)Session 2 (Chair: Giuseppe Scarpelli)09.00 Report on Design Example 2.1 – Foundation with central

vertical load (Carsten Sørensen)09 30 l 2 2 d h l d l d09.30 Report on Design Example 2.2 – Foundation with inclined load

(Norbert Vogt)10.00 Discussion of Design Examples 2.1 and 2.210.30 Coffee break

11.00 Report on Design Example 2.4 – Earth & pore water pressures on11.00 Report on Design Example 2.4 Earth & pore water pressures on basement walls (Hans Schneider)

11.30 Eurocode 7 designs for water pressures and review of survey (Brian Simpson)(Brian Simpson)

12.15 Discussion on Design Example 2.4 and water pressures13.00 Lunch


Session 3 (Chair: Trevor Orr)Session 3 (Chair: Trevor Orr)14.00 Reliability analyses of the Design Examples (Yusuke Honjo –

former Chairman TC23)0 l 2 b k f f (14.40 Report on Design Example 2.5 – Embankment of soft peat (Eric

Farrell)15.10 Discussion of Example 2.515.30 Coffee break

16.00 Report on Design Example 2.3 – Pile foundation in stiff clay16.00 Report on Design Example 2.3 Pile foundation in stiff clay (Adriaan van Seters)

16.30 Report on Design Example 2.6 – Pile foundation in sand (Boleslaw Klosinski)(Boleslaw Klosinski)

17.00 Discussion of Design Examples 2.3 and 2.617.30 Closure

19 30 W k h Di19.30 Workshop Dinner


Lecture 5 - Introduction to ETC10 Design Examples 2 (Bond)

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Transcript of Lecture 5 - Introduction to ETC10 Design Examples 2 (Bond)