混凝土双曲拱坝封拱温度场有限元分析研究  

Finite Element Analysis of Arch Sealing Temperature Field of Concrete Double Curvature Arch Dam

作　　者：张晓旭 ZHANG Xiao-xu(Qiqihar Urban Agricultural Comprehensive Service Center of Longsha District,Qiqihaer 161000, China)

机构地区：[1]齐齐哈尔市龙沙区农业综合服务中心,黑龙江齐齐哈尔161000

出　　处：《黑龙江水利科技》2021年第2期14-16,共3页Heilongjiang Hydraulic Science and Technology

摘　　要：拱坝对坝址基岩强度要求较高,在基岩软岩夹层发育或地质条件复杂区域,需重点对拱坝的应力变形进行分析研究。文章结合某双曲拱坝,建立数值模型计算坝体及坝基应力、坝基变形对拱坝应力及稳定的影响,分析不同封拱温度、封拱顺序对拱坝应力及稳定的影响,提出最优封拱温度和封拱顺序,优化温控设计及措施。Arch dam requires the higher strength of the bedrock at the dam site,in the area where the soft interlayer of bedrock is developed or the geological conditions are complicated,stress and deformation of arch dam should be analyzed and studied emphatically.In this paper,a numerical model is established to calculate the stress and stability of a hyperbolic arch dam based on the dam body and foundation,the influence of different arch sealing temperature and sequence on stress and stability of arch dam is analyzed,and the optimal arch sealing temperature and sequence are proposed,and the temperature control design and measures are optimized.

关 键 词：混凝土 拱坝 封拱温度 封拱顺序 有限元分析 

分 类 号：TV642.4[水利工程—水利水电工程]