| 深水大坝裂缝修复型聚氨酯注浆材料的性能研究 |
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| 引用本文： | 张曦君,王超杰,田晗,石明生.深水大坝裂缝修复型聚氨酯注浆材料的性能研究[J].中国建筑防水,2021(3). |
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| 作者姓名： | 张曦君 王超杰 田晗 石明生 |
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| 作者单位： | 郑州大学水利科学与工程学院;重大基础设施检测修复技术国家地方联合工程实验室;中国电力贵阳工程有限公司;南方工程检测修复技术研究院 |
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| 基金项目： | 国家重点研发计划项目(2016YFC0401609);国家自然科学基金项目(51679219);广东省引进创新创业团队项目(2016ZT06N340)。 |
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| 摘 要： | 为研究高聚物注浆材料在深水裂缝修复中的可行性,制备了一种双组分发泡聚氨酯注浆材料,探讨了该材料的流变性能、抗水分散性能及抗渗性能,并通过模型试验探究其在裂隙中的扩散规律。结果表明,新型聚氨酯注浆材料抗水分散性能强、流变性能优异、韧性较好、抗渗性能优良,适用于深水大坝裂缝的封堵,为形成深水大坝裂隙修复高聚物注浆成套技术及其装备提供依据。
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| 关 键 词： | 深水大坝 裂缝修复 聚氨酯注浆材料 模型试验 |
Performance Study on Crack Repairing Polyurethane Grouting Material for Deep-water Dam |
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| Zhang Xijun,Wang Chaojie,Tian Han,Shi Mingsheng.Performance Study on Crack Repairing Polyurethane Grouting Material for Deep-water Dam[J].China Building Waterproofing,2021(3). |
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| Authors: | Zhang Xijun Wang Chaojie Tian Han Shi Mingsheng |
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| Affiliation: | (School of Water Conservancy and Environment,Zhengzhou University,Zhengzhou,He'nan 450001,China;State and Local Combined Engineering Lab of Major Infrastructure Detection and Restoration Technology,Zhengzhou,He'nan 450001,China;China Power Guiyang Engineering Co.,Ltd.,Guiyang,Guizhou 550000,China;Southern Engineering Detection and Restoration Technology Institute,Huizhou,Guangdong 516229,China) |
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| Abstract: | To study the feasibility of deep-water dam crack repairing with high polymer grouting material,a kind of double-component foaming polyurethane grouting material is prepared.The paper studies its rheological property,water dispersing resistance and impervious performance,and explores its diffusion regularity in cracks through model test.Results show:the new polyurethane grouting material has excellent water dispersing resistance,rheological property,tenacity and impermeability;it is a kind of suitable crack blocking material for deep-water dam and can provide a basis for complete deep-water dam crack repairing high polymer grouting technology and equipment. |
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| Keywords: | deep-water dam grouting material crack repairing model test |
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