Abstract
Ryukyu limestone formation is considered to be not suitable as a foundation rock for large-scale engineering structures in Okinawa Prefecture. However, when Ryukyu limestone formation is quite thick, it results in non-economical foundation design. The characteristics of Ryukyu limestone with various porosity under static and dynamic conditions are investigated and shear behaviour the interface between piles and Ryukyu limestone are tested using large-scale dynamic shear testing device. Furthermore, some photo-elasticity tests on model piles founded model grounds with and without cavities were subjected to loads to check their deformation and stress responses. The stress distributions and load bearing capacity of piles on Ryukyu Limestone Formation are analysed and their implications in foundation design are discussed.
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Tokashiki, N., Aydan, Ö., Ito, T., Shuri, Y. (2021). The Evaluation of the Suitability of Ryukyu Limestone as Foundations of Large Engineering Structures. In: Barla, M., Di Donna, A., Sterpi, D. (eds) Challenges and Innovations in Geomechanics. IACMAG 2021. Lecture Notes in Civil Engineering, vol 126. Springer, Cham. https://doi.org/10.1007/978-3-030-64518-2_13
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DOI: https://doi.org/10.1007/978-3-030-64518-2_13
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