1. CABR (China Academy of Building Research), 2014. Technical Code for Testing of Building Foundation Piles. JGJ106-2003. China Architecture and Building Press, Beijing (in Chinese).
2. CABR (China Academy of Building Research). 2008. Technical code for building pile foundations. JGJ 94-2008, China Construction Industry Press, Beijing (in Chinese).
3. Axial compressive response of large-capacity helical and driven steel piles in cohesive soil;Elkasabgy;Can. Geotech. J.,2014
4. Piling engineering;Fleming,2009
5. Load tests on bored PHC nodular piles in different ground conditions and the bearing capacity based on simple soil parameters;Horiguchi;Proceedings of Technical Report of Japanese Architectural Society,1995