隧道衬砌混凝土抗溶蚀性能影响因素研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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隧道衬砌混凝土抗溶蚀性能影响因素研究

Study on Factors Affecting the Corrosion Resistance Performance of Tunnel Lining Concrete

2022年第1期

隧道；衬砌混凝土；抗溶蚀性能；水胶比；矿物掺合料；砂率

Tunnel; Lining concrete; Corrosion resistance; Water-binder ratio; Mineral admixture; Sand ratio

2022年第1期

10.19761/j.1000-4637.2022.01.017.05

国家重点研发计划项目（2017YFB0309904）；江苏省自然科学基金资助项目（BK20181127）。

田钊1,周莹2,3,伍洲1,穆松2,3,张建喜4,刘凯2,3

1.广东华陆高速公路有限公司，广东广州 510623；2.高性能土木工程材料国家重点实验室，江苏南京 210008；3.江苏苏博特新材料股份有限公司，江苏南京 211103；4.保利长大工程有限公司，广东中山 528463

田钊1,周莹2,3,伍洲1,穆松2,3,张建喜4,刘凯2,3

田钊,周莹,伍洲,等.隧道衬砌混凝土抗溶蚀性能影响因素研究[J].混凝土与水泥制品,2022(1):17-21.

TIAN Z,ZHOU Yi,WU Z,et al.Study on Factors Affecting the Corrosion Resistance Performance of Tunnel Lining Concrete[J].China Concrete and Cement Products,2022(1):17-21.

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摘要：以广东某隧道工程为例，研究了水胶比、矿物掺合料和砂率对混凝土早期抗压强度、抗渗性能、抗氯离子渗透性能和抗溶蚀性能的影响。结果表明：随着水胶比的减小，混凝土早期抗压强度、抗渗性能、抗氯离子渗透性能和抗溶蚀性能均提高；掺入适量的矿物掺合料降低了混凝土的早期抗压强度和抗渗性能，但提高了混凝土的抗氯离子渗透性能和抗溶蚀性能；随着砂率的增加，混凝土的早期抗压强度先降低后提高，抗渗性能、抗氯离子渗透性能、抗溶蚀性能提高，最佳砂率为45%；综合对比得到了各因素对混凝土抗溶蚀性能的提高效果为：水胶比>矿物掺合料>砂率。 Abstract: Taking a tunnel project in Guangdong as an example, the effects of water-binder ratio, mineral admixture and sand ratio on the early compressive strength, impermeability, resistance to chloride ion penetration and corrosion resistance of concrete were studied. The results show that as the water-binder ratio decreases, the early compressive strength, impermeability, resistance to chloride ion penetration and corrosion resistance of concrete all increase. The appropriate addition of mineral admixtures reduces the early compressive strength and impermeability of concrete, but improves the resistance to chloride ion penetration and corrosion resistance of concrete. As the sand ratio increases, the early compressive strength of concrete decreases first and then increases, and the impermeability, resistance to chloride ion penetration, and corrosion resistance are improved. The best sand ratio is 45%. Comprehensive comparison of the effects of various factors on the anti-corrosion performance of concrete is: water-binder ratio>mineral admixture>sand ratio.

英文名 : Study on Factors Affecting the Corrosion Resistance Performance of Tunnel Lining Concrete

刊期 : 2022年第1期

关键词 : 隧道；衬砌混凝土；抗溶蚀性能；水胶比；矿物掺合料；砂率

Key words : Tunnel; Lining concrete; Corrosion resistance; Water-binder ratio; Mineral admixture; Sand ratio

刊期 : 2022年第1期

DOI : 10.19761/j.1000-4637.2022.01.017.05

文章编号 :

基金项目 : 国家重点研发计划项目（2017YFB0309904）；江苏省自然科学基金资助项目（BK20181127）。

作者 : 田钊1,周莹2,3,伍洲1,穆松2,3,张建喜4,刘凯2,3

单位 : 1.广东华陆高速公路有限公司，广东广州 510623；2.高性能土木工程材料国家重点实验室，江苏南京 210008；3.江苏苏博特新材料股份有限公司，江苏南京 211103；4.保利长大工程有限公司，广东中山 528463

田钊1,周莹2,3,伍洲1,穆松2,3,张建喜4,刘凯2,3

田钊,周莹,伍洲,等.隧道衬砌混凝土抗溶蚀性能影响因素研究[J].混凝土与水泥制品,2022(1):17-21.

TIAN Z,ZHOU Yi,WU Z,et al.Study on Factors Affecting the Corrosion Resistance Performance of Tunnel Lining Concrete[J].China Concrete and Cement Products,2022(1):17-21.

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摘要

参数

结论

参考文献

引用本文

Abstract: Taking a tunnel project in Guangdong as an example, the effects of water-binder ratio, mineral admixture and sand ratio on the early compressive strength, impermeability, resistance to chloride ion penetration and corrosion resistance of concrete were studied. The results show that as the water-binder ratio decreases, the early compressive strength, impermeability, resistance to chloride ion penetration and corrosion resistance of concrete all increase. The appropriate addition of mineral admixtures reduces the early compressive strength and impermeability of concrete, but improves the resistance to chloride ion penetration and corrosion resistance of concrete. As the sand ratio increases, the early compressive strength of concrete decreases first and then increases, and the impermeability, resistance to chloride ion penetration, and corrosion resistance are improved. The best sand ratio is 45%. Comprehensive comparison of the effects of various factors on the anti-corrosion performance of concrete is: water-binder ratio>mineral admixture>sand ratio.

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隧道衬砌混凝土抗溶蚀性能影响因素研究

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