Estimating Base Resistance and N value in Rotary Press-inReport as inadecuate


Estimating Base Resistance and N value in Rotary Press-in


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Publication Date: 2015

Journal Title: Soils and Foundations

Publisher: Elsevier

Volume: 55

Issue: 4

Pages: 788-797

Language: English

Type: Article

Metadata: Show full item record

Citation: Ishihara, Y., Haigh, S., & Bolton, M. (2015). Estimating Base Resistance and N value in Rotary Press-in. Soils and Foundations, 55 (4), 788-797.

Description: This is the author accepted manuscript. The final version is available at http://www.sciencedirect.com/science/article/pii/S0038080615000839.

Abstract: In the Press-in Method, press-in machines use static jacking force to install prefabricated piles, while gaining a reaction force by grasping several of the previously installed piles. The emergence of this piling technique in 1975 solved problems in urban piling construction such as noise and vibration associated with the piling work, restricted construction conditions due to the existing structures, and so on. Among a variety of press-in methods, rotary press-in is a relatively new technique to install tubular piles into hard ground by applying axial and rotational jacking force at the same time. An additional feature of the Press-in Method is that it allows continuous measurement of penetration depth and jacking force during piling work. The concept of a PPT, Pile Penetration Test, has been developed to apply this feature to improving the efficiency of piling work and foundation design. This paper highlights the technique to estimate base resistance and N value from the data acquired during rotary press-in.

Keywords: Rotary Press-in, Base resistance, N value

Identifiers:

This record's URL: http://www.repository.cam.ac.uk/handle/1810/248005http://dx.doi.org/10.1016/j.sandf.2015.06.011

Rights: Attribution-NonCommercial-NoDerivs 2.0 UK: England & Wales

Licence URL: http://creativecommons.org/licenses/by-nc-nd/2.0/uk/





Author: Ishihara, YukihiroHaigh, StuartBolton, Malcolm

Source: https://www.repository.cam.ac.uk/handle/1810/248005



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