Benchmarking standards of first-class curriculum construction, starting from the four dimensions of teacher team, teaching methods, evaluation and quality management, adhering to the "Trinity" engineering education concept of student-centered, OBE and continuous improvement, to highlight and strengthen students" engineering ability training. Through the construction of the "four combination" teaching mode, which including “teaching team with duo-qualification combined inside and outside, blended teaching of online and offline integration, guiding mode combining task and guidance , quality monitoring and feedback mechanism based on the combination of assessment and evaluation”, and precise implementation in the course of "basic principles of concrete structure". Remarkable teaching results have been achieved and the achievement degree of curriculum objectives exceeds 0.7 in 2017 and 2018 academic year, which provides a basis for the construction and continuous reform of related courses.