博士 学位是基于论文的课程，要求学生除撰写和捍卫论文外还必须完成课程。博士学位要求最少的专业课程，需要深入研究
The PhD degree is a thesis-based program where students are required to complete courses in addition to writing and defending a thesis. The PhD degree requires minimal specialized courses with intensive research, leading to original scholarly work with a distinct contribution to fundamental knowledge and technological innovation in broad areas of civil engineering. Equivalent of four half courses beyond the Master's degree and successful defence of a thesis is required. Candidates are required to pass a Comprehensive Examination. Under some circumstances, arrangements can be made with the Department for part-time PhD study.