温度匹配养护对大体积混凝土耐久性能的影响

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发布时间：2020-01-06 00:00:00

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温度匹配养护对大体积混凝土耐久性能的影响

Effect of Temperature Matched Curing on the Durability of Mass Concrete

2023年第2期

温度匹配养护；大体积混凝土；矿物掺合料；抗硫酸盐侵蚀；抗氯离子渗透性；耐久性能

Temperature matched curing; Mass concrete; Mineral admixture; Sulfate resistance; Chloride penetration resistance; Durability

2023年第2期

10.19761/j.1000-4637.2023.02.015.04

中建西部建设股份有限公司项目（ZJXJ-2020-01）。

张平1，郑海康1，刘洋1，古龙龙1，马旭东1，陈旭2

1.中建西部建设新疆有限公司，新疆乌鲁木齐 830000；2.青岛理工大学土木工程学院，山东青岛 266033

张平1，郑海康1，刘洋1，古龙龙1，马旭东1，陈旭2

浏览量:

1000

摘要：在胶凝材料总量、水胶比以及复合矿物掺合料总量不变的前提下，通过调整矿物掺合料（粉煤灰、矿粉）掺配比例，研究了温度匹配养护下大体积混凝土的抗压强度和耐久性能，并与标准养护下的性能测试结果进行了对比分析。结果表明：温度匹配养护显著加速了混凝土的水化进程，使粉煤灰、矿粉的化学活性较早地发挥出来，混凝土内部结构变得更为致密，在一定程度上改善了混凝土的抗硫酸盐侵蚀性能和抗氯离子渗透性能。 Abstract: Under the premise that the total amount of cementitious materials, water binder ratio and total amount of composite mineral admixtures remain unchanged, the compressive strength and durability of mass concrete under temperature matched curing were studied by adjusting the proportion of mineral admixtures(fly ash and mineral powder), and the results were compared with those under standard curing. The results show that temperature matched curing significantly accelerates the hydration process of concrete, makes the chemical activity of fly ash and mineral powder play out earlier, and the internal structure of concrete becomes more compact, which improves the sulfate corrosion resistance and chloride ion penetration resistance of concrete to a certain extent.

英文名 : Effect of Temperature Matched Curing on the Durability of Mass Concrete

刊期 : 2023年第2期

关键词 : 温度匹配养护；大体积混凝土；矿物掺合料；抗硫酸盐侵蚀；抗氯离子渗透性；耐久性能

Key words : Temperature matched curing; Mass concrete; Mineral admixture; Sulfate resistance; Chloride penetration resistance; Durability

刊期 : 2023年第2期

DOI : 10.19761/j.1000-4637.2023.02.015.04

文章编号 :

基金项目 : 中建西部建设股份有限公司项目（ZJXJ-2020-01）。

作者 : 张平1，郑海康1，刘洋1，古龙龙1，马旭东1，陈旭2

单位 : 1.中建西部建设新疆有限公司，新疆乌鲁木齐 830000；2.青岛理工大学土木工程学院，山东青岛 266033

张平1，郑海康1，刘洋1，古龙龙1，马旭东1，陈旭2

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摘要

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结论

参考文献

引用本文

Abstract: Under the premise that the total amount of cementitious materials, water binder ratio and total amount of composite mineral admixtures remain unchanged, the compressive strength and durability of mass concrete under temperature matched curing were studied by adjusting the proportion of mineral admixtures(fly ash and mineral powder), and the results were compared with those under standard curing. The results show that temperature matched curing significantly accelerates the hydration process of concrete, makes the chemical activity of fly ash and mineral powder play out earlier, and the internal structure of concrete becomes more compact, which improves the sulfate corrosion resistance and chloride ion penetration resistance of concrete to a certain extent.

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温度匹配养护对大体积混凝土耐久性能的影响

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