新冠疫情下建筑材料实验课程线上线下混合教学模式实践

Practice of the Combined Online and Offline Teaching Model in Building Materials Experimental Course under COVID 19 Pandemic

介绍了2020年新冠疫情期间在建筑材料实验课程中开展线上线下混合教学模式实践。基于实验课程特点,将建筑材料实验教学过程分解为理论与实践两部分,并依据不同实验项目的特点及可操作性将其分为讲解型、演示型、操作型等三类实验。对于讲解型、演示型实验及操作型实验的理论部分,以直播的方式进行线上授课,学生可以自主地选择观看直播或回放进行学习;线上学习可弥补线下展示的局限性,利于学生更好地掌握实验的理论知识。操作型实验的实践部分,在学生返校后集中完成,为了避免人员聚集,通过同步开展多个实验项目、控制实验小组及实验室内人数等措施保证线下实验顺利实施。此外,通过编写实验测试题库并设置提问考查等环节保证了混合教学模式的效果。实践表明,该模式能够提高学生自主学习能力并保证实验教学的高效完成。

This paper presents the combined online and offline teaching practice on building materials experimental course under the COVID 19 pandemic.First,an online and offline hybrid teaching model was put forward.Then the experimental course was divided into two parts,namely the theoretical part and practice part,according to its characteristics.And the experiments of building materials were classified as“explanation,demonstration and operational type”experiment by their characteristics and maneuverabilities.For the explanation and demonstration type and the theoretical part of the operation type,online teaching was carried out through live broadcast.Students can flexibly choose to watch the live broadcast or playback for learning.Online learning can make up for the inconvenient display of many offline experiments and help students master the theoretical knowledge of experiments.The practical parts of the operational experiments were completed after the students return to school.In order to avoid personnel gathering,the offline experiment can be implemented smoothly by controlling the personals in a group and laboratory,carrying out multiple experiments at the same time.The effect of online teaching is ensured by publishing question banks and setting up a Q&A session.Results show that the model can enhance the self-learning abilities and ensure the efficient completion of experimental teaching.