期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2020
卷号：510
期号：5
页码：1-7
DOI：10.1088/1755-1315/510/5/052083
语种：English
出版社：IOP Publishing
摘要：The high-efficiency transverse joint simulation and analysis technique was developed based on the discontinuous deformation theory. This technique developed was used to realize the simulation of the overall construction and concreting process of the 300m super-high arch dam by the 3D finite element method, simulate the actual dam inside and transverse joint working behaviors throughout the process, analyze the temperature, stress and aperture change process in the inside and transverse joint face of the dam, discuss the opening and closing mechanism and crucial influencing factors of the transverse joint of super-high arch dam. Based on the feedback and analysis of field monitored data, the causes for the relatively small aperture in the foundation restraint zone of the arch dam were further analyzed, and the later aperture was predicted. The measures and proposals for effectively increasing transverse joint aperture and enhancing the groutability were further put forward, to provide important guarantee for ensuring the transverse grouting effect of the arch dam and the overall safety of the dam.
