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    蘇州混凝土水泥制品研究院有限公司

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    發布時間:2020-01-06 00:00:00
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    隧道襯砌混凝土抗溶蝕性能影響因素研究
    Study on Factors Affecting the Corrosion Resistance Performance of Tunnel Lining Concrete
    2022年第1期
    隧道;襯砌混凝土;抗溶蝕性能;水膠比;礦物摻合料;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
    國家重點研發計劃項目(2017YFB0309904);江蘇省自然科學基金資助項目(BK20181127)。
    田 釗1,周 瑩2,3,伍 洲1,穆 松2,3,張建喜4,劉 凱2,3
    1.廣東華陸高速公路有限公司,廣東 廣州 510623;2.高性能土木工程材料國家重點實驗室,江蘇南京 210008;3.江蘇蘇博特新材料股份有限公司,江蘇 南京 211103;4.保利長大工程有限公司, 廣東 中山 528463

    田 釗1,周 瑩2,3,伍 洲1,穆 松2,3,張建喜4,劉 凱2,3

    田釗,周瑩,伍洲,等.隧道襯砌混凝土抗溶蝕性能影響因素研究[J].混凝土與水泥制品,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.

    瀏覽量:
    1000
    摘 ? 要:以廣東某隧道工程為例,研究了水膠比、礦物摻合料和砂率對混凝土早期抗壓強度、抗滲性能、抗氯離子滲透性能和抗溶蝕性能的影響。結果表明:隨著水膠比的減小,混凝土早期抗壓強度、抗滲性能、抗氯離子滲透性能和抗溶蝕性能均提高;摻入適量的礦物摻合料降低了混凝土的早期抗壓強度和抗滲性能,但提高了混凝土的抗氯離子滲透性能和抗溶蝕性能;隨著砂率的增加,混凝土的早期抗壓強度先降低后提高,抗滲性能、抗氯離子滲透性能、抗溶蝕性能提高,最佳砂率為45%;綜合對比得到了各因素對混凝土抗溶蝕性能的提高效果為:水膠比>礦物摻合料>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
    關鍵詞 : 隧道;襯砌混凝土;抗溶蝕性能;水膠比;礦物摻合料;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
    文章編號 :
    基金項目 : 國家重點研發計劃項目(2017YFB0309904);江蘇省自然科學基金資助項目(BK20181127)。
    作者 : 田 釗1,周 瑩2,3,伍 洲1,穆 松2,3,張建喜4,劉 凱2,3
    單位 : 1.廣東華陸高速公路有限公司,廣東 廣州 510623;2.高性能土木工程材料國家重點實驗室,江蘇南京 210008;3.江蘇蘇博特新材料股份有限公司,江蘇 南京 211103;4.保利長大工程有限公司, 廣東 中山 528463

    田 釗1,周 瑩2,3,伍 洲1,穆 松2,3,張建喜4,劉 凱2,3

    田釗,周瑩,伍洲,等.隧道襯砌混凝土抗溶蝕性能影響因素研究[J].混凝土與水泥制品,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.

    摘要
    參數
    結論
    參考文獻
    引用本文

    摘   要:以廣東某隧道工程為例,研究了水膠比、礦物摻合料和砂率對混凝土早期抗壓強度、抗滲性能、抗氯離子滲透性能和抗溶蝕性能的影響。結果表明:隨著水膠比的減小,混凝土早期抗壓強度、抗滲性能、抗氯離子滲透性能和抗溶蝕性能均提高;摻入適量的礦物摻合料降低了混凝土的早期抗壓強度和抗滲性能,但提高了混凝土的抗氯離子滲透性能和抗溶蝕性能;隨著砂率的增加,混凝土的早期抗壓強度先降低后提高,抗滲性能、抗氯離子滲透性能、抗溶蝕性能提高,最佳砂率為45%;綜合對比得到了各因素對混凝土抗溶蝕性能的提高效果為:水膠比>礦物摻合料>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.

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    (1)水膠比對混凝土溶蝕性能的影響相對較大,進而影響其耐久性。隨著水膠比的降低,混凝土的早期抗壓強度、抗滲性能、抗氯離子滲透性能和抗溶蝕性能均提高。
    (2)當礦渣和硅灰摻量各10%時,混凝土的早期抗壓強度和抗滲性能降低,但其抗氯離子滲透性能提高,抗溶蝕性能略微提高。
    (3)隨著砂率的增加,混凝土的早期抗壓強度先降低后提高,抗滲性能提高,抗氯離子滲透性能和抗溶蝕性能略微提高。
    (4)水膠比、礦物摻合料、砂率對混凝土抗溶蝕性能的影響程度為:水膠比>礦物摻合料>砂率。

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    田釗,周瑩,伍洲,.隧道襯砌混凝土抗溶蝕性能影響因素研究[J].混凝土與水泥制品,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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