| 碾压混凝土拱坝诱导缝的作用探讨 |
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| 引用本文： | 顾爱军,王向东,徐道远,朱为玄,金玉,杨小令. 碾压混凝土拱坝诱导缝的作用探讨[J]. 扬州大学学报(自然科学版), 2003, 6(1): 66-70 |
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| 作者姓名： | 顾爱军 王向东 徐道远 朱为玄 金玉 杨小令 |
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| 作者单位： | 1. 扬州大学水利与建筑工程学院水利水电工程系,江苏扬州,225009
2. 河海大学土木工程学院,江苏南京,210098 |
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| 基金项目： | 国家自然科学基金资助项目 (5 9739180 ) |
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| 摘 要： | 对碾压混凝土拱坝中设置诱导缝的工作机理和作用进行了探讨。实例计算结果表明：在诱导缝未开裂时，其削弱程度对坝体应力的释放程度有很小的差别，而对坝体应力分布规律几乎没有影响；一旦诱导续开裂，则坝体中的拉应力大为降低。这说明只有合理地设置诱导缝，才能使其发挥释放应力、保护坝体的作用。
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| 关 键 词： | 碾压混凝土拱坝 诱导缝 工作机理 应力释放 应力分布 坝体保护 |
| 文章编号： | 1007-824X(2003)01-0066-05 |
ANALYSIS OF THE EFFECTIVENESS OF CRACK DIRECTOR OF ROLLER COMPACTED CONCRETE ARCH DAM |
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| GU Ai jun WANG Xiang dong XU Dao yuan ZHU Wei xuan JIN Yu YANG Xiao ling. ANALYSIS OF THE EFFECTIVENESS OF CRACK DIRECTOR OF ROLLER COMPACTED CONCRETE ARCH DAM[J]. Journal of Yangzhou University(Natural Science Edition), 2003, 6(1): 66-70 |
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| Authors: | GU Ai jun WANG Xiang dong XU Dao yuan ZHU Wei xuan JIN Yu YANG Xiao ling |
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| Affiliation: | GU Ai jun 1 WANG Xiang dong 2 XU Dao yuan 2* ZHU Wei xuan 2 JIN Yu 2 YANG Xiao ling 1 |
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| Abstract: | This paper analysizes and discusses the mechanism and effectiveness of crack director of roller compacted concrete arch dam. The results show that the weaken of crack directors has a little influence on stress release and little influence on stress distribution when the crack directors is uncracked. Once it cracked, the tension stress in the arch dam will reduce greatly. This shows that the crack directors must be set reasonablely so that they can play the role of releasing stress and protecting dam. |
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| Keywords: | roller compacted concrete arch dam crack director mechanism stress release |
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