土木工程计算机绘图教学改革研究与实践

Research and practice on teaching reform of civil engineering computer aided drawing

针对土木工程计算机绘图(CAD)教学中存在的缺点和教学课时不断压缩的压力,从教学手段、教学方法和考核方式3方面提出了CAD教学改革方案。将CAD教学内容按照知识点录制了121个3~5min长度的微视频,通过超星学习通将微视频制作为《计算机绘图微课程》,学生可利用碎片化时间在个人移动终端如手机、iPad (或平板)等上观看学习微视频。基于微视频,采用任务驱动+翻转课堂方式开展教学,将学时缩短1/4,注重学生创新学习能力培养。取消卷面理论考试,将微视频完成度、习题完成情况,翻转课堂表现、三维创作、上机考试纳入考核范围,加强学习过程管理和实际绘图能力考查。采用该方案的试点班与传统班对比发现,不仅缩短了课时,还提高了期末上机考试平均成绩约4分,证明了该改革方案的可行性。

Based on the disadvantages of the teaching of civil engineering computer aided drawing(CAD) course and the pressure of continuous compression of class hours, the teaching reform scheme of CAD is presented in three aspects including teaching means, teaching methods and evaluation methods. According to different knowledge points in CAD teaching, 121 micro-videos with averaged duration of 3–5 minutes were recorded. Then a network course named computer drawing micro-course was developed on the platform of Chaoxing Xuexitong, which supports online study on personal mobile devices such as mobile phones and iPad in fragmentated time. Based on the micro-videos, the task-driven method and flipped classroom are adopted to carry out teaching, which could shorten the class time by 1/4 and focus on the cultivation of students’ innovative learning ability. What’s more, theory examination of CAD is cancelled, but the completion of micro-video self-study, homework, performance in flipped classroom, creation of 3 D model and examination on computer are all included in the assessment, aiming to strengthen the management of learning process and the practical drawing ability with computer. Compared with the traditional classes, the pilot classes that adopted the scheme not only shorten the class hour, but also raises the average score of final examination on computer by about 4 scores, which demonstrates the feasibility of the proposed teaching reform scheme.