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ANALYSIS ON ABNORMAL BEHAVIOR OF EXPANSION JOINTS IN HUANGTANKUO DAM
Author(s): 
Pages: 1-3
Year: Issue:  6
Journal: DAM OBSERVATION AND GEOTECHNICAL TESTS

Keyword:  大坝伸缩缝灌浆温度变形;
Abstract: 黄坛口大坝26号坝段二侧伸缩缝在蓄水运行多年后发生异常变形.变形量虽微小但持续30年至今仍无明显收敛迹象,实属国内外所罕见.它是否会影响到大坝安全?是什么原因产生的?今后发展趋势又如何?本文就此作了具体分析,认为是由部分坝体横缝灌浆加上右坝肩地质条件不理想所引起的.本文对今后混凝土重力坝的设计、施工及安全管理可能有一定参考价值.
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