1O Osterberg,J A Hayes.The osterberg Load Cell as a Reseach Tool[A].The International Conference on Soill Mechanics and Geoteehnical Engineering[C].Is,2001.
3Jori Osterberg. New device for load testing driven piles and drilled shaft separates friction and end bearing [ J ]. Piling and Deep Foundations,1989,5 (2) :421 ~427.
4(JTJ041-2000).公路桥涵施工技术规范[S].[S].中华人民共和国交通交通部,..
5Jori Osterberg. New devic for load testing driven piles and drilled shaft separates frietion and end bearing.Piling and deep Foundations. 1989.
8O Osterberg, J A Hayes. The osterberg Load Cell as a Reseach Tool [A]. The Ⅺ International Conference on Soill Mechanics and Geoteehnical Engineering [C]. Is tanbul ,2001.