8Nishida Y, Sekiguchi H, Matsumoto T, et al. Drivability of steel pipe piles into diatomaceous mudstone in the construction of Notojima Brigde[A]. Proc. Int. Symp. ON Penetrability and drivability of Piles[C]. San Francisco, 1985, 1:187-190.
9Paikowsky S G, Whitman R V. The effects of plugging on pile performance and design[J]. Canada Geotech. J, 1990,27:429-440.