可视化渗透破坏实验装置研发及土力学实践探索  

DEVELOPMENT OF VISUAL SEEPAGE FAILURE DEVICE AND PRACTICAL EXPLORATION IN SOIL MECHANICS

作　　者：王宇[1] 陈从建[1] 钱声源 段祥宝[2,3] 谷艳昌 WANG Yu;CHEN Congjian;QIAN Shengyuan;DUAN Xiangbao;GU Yanchang(School of Architecture and Engineering,Jiangsu Open University,Nanjing 210036,China;Nanjing Hydraulic Research Institute,Nanjing 210029,China;State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Nanjing 210029,China)

机构地区：[1]江苏开放大学建筑工程学院,南京210036 [2]南京水利科学研究院,南京210029 [3]水文水资源与水利工程科学国家重点实验室,南京210029

出　　处：《力学与实践》2023年第1期193-199,共7页Mechanics in Engineering

基　　金：国家重点研发计划(2018YFC0407106);国家自然科学基金(51979175);江苏高校哲学社会科学研究一般项目(2022SJYB0841);南京水科院基本科研业务费科研创新团队建设项目(Y722003)资助。

摘　　要：传统土力学实验无法展现土体内部渗透变形,使学生难以直观理解土体渗流的基本原理。利用人工合成透明土材料,融合粒子示踪、断层成像和数字图像处理等技术,研发了可视化渗透破坏实验装置。以砂砾石管涌为例,直观展现了土体渗透破坏孕育-发生-发展-破坏全过程颗粒运移特征,论证了实验装置的可靠性。在此基础上,提出了以学生自主创新为主体,实验技术教研平台、实验课程学习平台和产学合作协同育人平台“三台一体”新的教学模式。Traditional experiments in soil mechanics cannot show the internal seepage deformation, which makes it difficult for students to intuitively understand the basic principle of seepage failure. A visual seepage failure device was developed using particle tracing technology, computerised tomography and digital image processing technology based on synthetical transparent soil. Taking the piping of sandy gravel as an example,particle transport characteristics were directly shown in the overall seepage process, including incubation,formation, evolution and destruction, which verified the reliability of the experimental device. Besides, a new teaching model was established by considering the main subject of students’ independent innovation, including the teaching and learning platform of visual experiments as well as the school-enterprise cooperation and education platform.

关 键 词：可视化技术 渗流装置 颗粒运移 教学模式 

分 类 号：G642.0[文化科学—高等教育学]