JIAN-YE CHING2018-09-102018-09-102013http://www.scopus.com/inward/record.url?eid=2-s2.0-84881357766&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/377915Robustness of constant load and resistance factor design factors for drilled shafts in multiple stratajournal article10.1061/(ASCE)GT.1943-5606.0000849