AIMS Geosciences, 2019, 5(2): 145-162. doi: 10.3934/geosci.2019.2.145 Research article Special Issues

Export file:

Format

RIS(for EndNote,Reference Manager,ProCite)
BibTex
Text

Content

Citation Only
Citation and Abstract

Characterization of the Blessington sand geotechnical test site

1 Assistant Professor, Department of Civil, Structural and Environmental Engineering, University of Dublin, Trinity College, Dublin 2, Ireland
2 Professor of Subsurface Engineering, Geo-Engineering Section, Faculty of Civil Engineering and Geosciences, Delft University of Technology, Netherlands

Received: , Accepted: , Published:

Special Issues: Characterization and Engineering Properties of Natural Soils used for geotesting

Abstract Full Text(HTML) Figure/Table Related pages

The paper describes the site characterization of a dense sand test site developed by the authors in an active quarry located near the village of Blessington, Ireland. The site has been used to investigate the field response of a number of foundation systems including jacked closed and open-ended piles, driven concrete and steel open-ended piles, shallow footings, bored axially loaded piles and laterally loaded steel piles. The soil at the location is an over-consolidated, glacially deposited, dense to very dense fine sand with a CPT q c resistance, that increases from ≈10 MPa near the ground surface to 15–20 MPa over a depth of 10 m. The paper describes the geological history of the deposit, composition and mineralogy analyzed through Scanning Electron Microscopy. The results of in-situ tests including CPT, DMT and MASW are presented. Material properties including strength and stiffness derived from laboratory tests are compared to correlation made with in-situ testing. The results of previously unpublished laboratory interface shear box tests to investigate pile ageing effects are presented.

Figure/Table

Supplementary

Article Metrics

References

1. Igoe D, Gavin K, O'Kelly B (2010) Field tests using an instrumented model pipe pile in sand. Physical Modelling in Geotechnics-Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG.

2. Igoe D, Doherty P, Gavin K (2010) The development and testing of an instrumented open-ended model pile. Geotech Test J 33: 72–82.

3. Igoe D, Gavin K, O'Kelly B (2013) An investigation into the use of push-in pile foundations by the offshore wind sector. Int J Environ Stud 70: 777–791.

4. Gavin KG, Igoe D, Kirwan L (2013) The effect of ageing on the axial capacity of piles in sand. Proc Inst Civ Eng Geotech Eng 166: 122–130.

5. Igoe D, Gavin K, Kirwan L (2013) Investigation into the factors affecting the shaft resistance of driven piles in sands. In: Installation Effects in Geotechnical Engineering-Proceedings of the International Conference on Installation Effects in Geotechnical Engineering, ICIEGE 2013.

6. Murphy G, Igoe D, Doherty P (2018) Gavin KG. 3D FEM approach for laterally loaded monopile design. Comput Geotech 100: 76–83.

7. Igoe D, Gavin KG, O'Kelly BC (2011) Shaft Capacity of Open-Ended Piles in Sand. J Geotech Geoenvironmental Eng 137: 903–913.

8. Doherty P, Igoe D (2013) A Driveability Study of Precast Concrete Piles in Dense Sand. DFI J J Deep Found Inst 7: 3–16.

9. Doherty P, Kirwan L, Gavin KG, et al. (2012) Soil Properties at the UCD Geotechnical Research Site at Blessington. In: Bridge and Concrete Research in Ireland, Dublin.

10. Syge FM, West Wicklow (1977) In: South-East Ireland. In: Int Union of Quartenary Research Fieldguide.

11. Cohen JM (1979) Deltaic sedimentation in glacial lake in Blessington in County Wicklow. Moraines Varves, 357–367.

12. Cohen JM (1980) Aspects of glacial lake sedimentation. Trinity College Dublin.

13. Philcox ME (2000) The glacio-lacustrine delta complex at Blessington, Co. Wicklow and related outflow features. In: Guidebook of the 20th Regional Meeting of Sedimentology, Dublin: IAS Special Publication, 129–152.

14. Coxon P (1993) Irish Pleistocene biostratigraphy. Irish J Earth Sci 12: 83–105.

15. Kirwan L (2014) Investigation into Ageing Mechanisms for Axially Loaded Piles Driven in Sand. University College Dublin.

16. Rasband WS (2004) ImageJ. Bethesda, MD: National Institutes of Health.

17. Landini G (2006) Particle8_Plus plugin in ImageJ.

18. Mayne PW (2001) Stress-strain-strength-flow parameters from enhanced in-situ tests. In: Proceedings International Conference on In-Situ Measurement of Soil Properties & Case Histories, Bali, Indonesia, 27–48.

19. Marchetti S, Monaco P, Calabrese M, et al. (2006) Comparison of moduli determined by DMT and back figured from local strain measurements under a 40 m diameter circular test load in the Venice area. Proc From the second international flat dilatometer conference.

20. Spagnoli G, Doherty P, Wu D, et al. (2015) Some mineralogical and geotechnical properties of carbonate and silica sands in relation to a novel mixed-in-place pile, 12th Offshore Mediterranean Conference and Exhibition, Italy: Ravenna.

21. Tolooiyan A and Gavin (2011) Modelling the Cone Penetration Test in sand using Cavity Expansion and Arbitrary Lagrangian Eulerian Finite Element, Computers and Geotechnics, Vol. 38, pp 482-490.

22. Bolton MD (1986) The strength and dilatancy of sands. Géotechnique 36: 65–78.

23. Kulhawy FH, Mayne PW (1990) Manual on estimating soil properties for foundation design.

24. Robertson PK, Cabal K (2014) Guide to cone penetration testing for geotechnical engineering-6th Edition.

25. Schnaid F, Yu HS (2007) Interpretation of the seismic cone test in granular soils. Géotechnique 57: 265–272.

26. Gavin K, Jardine RJ, Karlsrud K, et al. (2015) The effects of pile ageing on the shaft capacity of offshore piles in sand. International Symposium Frontiers in Offshore Geotechnics (ISFOG), London: Taylor & Francis, 129–151.

27. Gavin K, Igoe D (2019) A Field Investigation into the Mechanisms of Pile Ageing in Sand, Submitted to Geotechnique.

Download full text in PDF

Export Citation

Article outline

Show full outline