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东津面板堆石坝防浪墙伸缩缝错位变形严重、止水铜片被拉裂对面板堆石坝的防渗体系构成威胁。在深入分析结构特点和变形特性的基础上,建立大坝沉降变形的多测点时空分析模型,分析了防浪墙伸缩缝错位变形的主要影响因素和时效变化趋势,解析了面板堆石坝防浪墙伸缩缝变形异常的原因。
The deformation of the expansion joints of the anti-wave wall expansion joints of the Dongjin Face Rockfill Dam is serious and the cracking of the water stop copper plates is a threat to the seepage control system of the rockfill dam. Based on the in-depth analysis of the structural characteristics and deformation characteristics, the space-time analysis model for multi-measuring points of settlement of the dam is established. The main influencing factors and trend of the deformation of the anti-wave wall expansion joints are analyzed. Wave wall expansion joints abnormal deformation reasons.