Behavior of Pipe Piles in Sand : Plugging and Pore-Water Pressure Generation During Installation and Loading pptx

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Behavior of Pipe Piles in Sand : Plugging and Pore-Water Pressure Generation During Installation and Loading pptx

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[...]... pile driving, difficulties in measuring field soil properties particularly in the marine environment, variations in loading details and pile installation procedures, M Iskander: Behavior of Pipe Piles in Sand, SSGG, pp 1–6 springerlink.com © Springer-Verlag Berlin Heidelberg 2010 2 1 Introduction uncertainties in the behavior of the soil core (plug) during driving and subsequent loading, and soil structure... and Randolph (1997) found that the plug length increased with increasing relative density of insitu sands during driving and decreased with increasing relative density during jacking Also, during installation, the jacked piles exhibited a greater tendency to plug than the driven piles This points to the importance of testing driven model piles 1.2.2 Buildup of Pore Water Pressure Arching of soils inside... Geotechnical Engineering Report CR83-4 Department of Civil Engineering, The University of Texas at Austin (1982) Olson, R.E., Iskander, M.G .: Axial Load Capacity of Pipe Piles in Sands In: Proc 1st Regional Conf and Exhibition on Advanced Technology in Civil Engineering, Manama, Bahrain, pp 383–394 ASCE–SAS (1994) Paik, K., Salgado, R .: Determination of Bearing Capacity of Open-Ended Piles in Sand ASCE J... Capacity of Driven Piles in Sand, Norwegian Geotechnical Institute, Report No: 85307-14 (1998) Lehane, B., Gavin, K .: Base Resistance of Jacked Pipe Piles in Sand ASCE J Geotechnical and Geoenvironmental Engineering 127(6), 473–480 (2001) Lehane, B., Randolph, M .: Evaluation of a Minimum Base Resistance for Driven Pipe Piles in Siliceous Sand ASCE J Geotechnical and Geoenvironmental Engineering 128(3),... Isemoto, N .: Behavior of Sand Plugs in Open Ended Steel Pipe Piles In: Proc 9th Int Conf on Soil Mechanics and Foundation Engineering, Tokyo, pp 601–604 (1977) Kishida, H., Uesugi, M., Susumu, M .: Behavior of Dry Sands in Steel Pipe Piles In: Proc 8th Southeast Asian Geotechnical Conf., Kuala Lumpur (1985) Lacasse, S .: Uncertainties in Offshore Geotechnical Engineering, Int Survey of API-RP 2A Design... Nicola, A., Randolph, M .: The Plugging Behaviour of Driven and Jacked Piles in Sand Geotechnique 47(4), 841–856 (1997) Gavin, K., Lehane, B .: The shaft capacity of pipe piles in sand Canadian Geotechnical J 40, 36–45 (2002) Hajduk, E., Lin, G., Adams, J., Ledford, D .: Experiences with Open Ended Pipe Pile Plugging in The Atlantic Coastal Plain In: Iskander, M., et al (eds.) Contemporary Topics in Deep Foundations... I., To, P., Wilson, S .: Plugging of Pipe Piles In: Proc 3rd Int Conf on Numerical Methods in Offshore Piling, Nantes, France, pp 54–73 (1986) Szechy, C .: Tests with Tubular Piles Acta Technica, Hungarian Academy of Science 24, 181–219 (1958) Toolan, F.E., Lings, M.L., Mirza, U.A .: An Appraisal of api rp-2a Recommendations for Determining Skin Friction of Piles in Sand In: Proc 22nd Offshore Technology... needs A number of load tests were carried out to identify the effects of inertia and build-up of pore water pressure on pile plugging Continuous measurement of dynamic and static excess pore pressures, frictional and end bearing stresses, and the elevation of the soil inside the pile during installation and loading are presented The results of the testing program validate the performance of the developed... E., Randolp, M .: h Finite Element Analysis of Soil Plug Response Int Journal of Numerical and Analytical Methods in Geomechanics 15, 121–141 (1991) Lings, M.L .: The Skin Friction of Driven Piles in Sand, M.Sc Thesis, Imperial College of Science and Technology, University of London (1985) McClelland, B., Focht, J .: Padre Island Load Tests, Project Report, McClelland Engineers (Fugro-McClelland Marine... some of the factors which occur during installation and loading of pipe piles in sand, along with their potential impact on axial capacity 1.1 Background There are many challenges facing the designers of pile foundations in sand, particularly in offshore environments Most offshore structures are supported on steel pipe piles which are designed in accord with API Recommended Practice for Planning, Designing, . Plugging of Piles during Installation 26 3.2.2 Plugging of Piles during Static Loading 26 3.2.3 Plugging of Piles during Cyclic Loading 27 3.3 Buildup of Pore Pressures during Driving 28 3.3.1. left blank Magued Iskander Behavior of Pipe Piles in Sand Plugging and Pore-Water Pressure Generation During Installation and Loading ABC Professor Wei Wu, Institut für Geotechnik, Universität. Clays into Sand 20 2.7 Conclusions 21 References 21 3 Installation Effects on the Capacity of Piles in Sand …… …………….25 3.1 Introduction 25 3.2 Plugging of Piles 25 3.2.1 Plugging of Piles

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  • Cover

  • Title Page

  • Contents

  • Acknowledgements

  • Selected Unit Conversions

  • Introduction

    • Background

    • Installation Effects That Influence the Capacity of Pipe Piles in Sand

      • Plugging of Piles

      • Buildup of Pore Water Pressure

      • Scope and Objectives

      • Organization of This Book

      • References

      • Review of Design Guidelines for Piles in Sand

        • Introduction

        • API Design Guidelines for Piles in Sand

        • The Database

        • Analysis Using the 2000 API RP 2A

        • Assessment of the API Method for Piles in Sand

        • Sources of Inaccuracy in the API Method

          • Statistical Considerations

          • Installation Effects

          • Axial Capacity Mechanism

          • Piles Driven through Clays into Sand

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