封培然.固硫灰干混砂浆耐久性的试验研究[J].水泥工程,2019,32(4):1-7 |
固硫灰干混砂浆耐久性的试验研究 |
Experimental study on durability of dry mixed sulfur-fixing ash mortar |
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DOI: |
中文关键词: 固硫灰 干混砂浆 长期强度 内养护 |
英文关键词: CFBC dry mixed mortar long-term strength internal curing |
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中文摘要: |
试验比较了两组砂浆在标准养护和自然养护条件下的长期强度,结果表明固硫灰干混砂浆在任何龄期下都能超出对照组,并且自然养护高于标准养护,受限条件高于非受限条件;在各种侵蚀性介质中,固硫灰干混砂浆对淡水、稀酸和硫酸盐具有较好的抵抗能力,而稀碱和氯盐则影响其长期强度的增长,这均源于固硫灰自身组成与结构,是其对砂浆内养护的结果。 |
英文摘要: |
Compared the long-term strength of the two groups of dry mixed mortar under standard curing and natural curing, the results show that the CFBC in dry-mixed mortar could exceed the control group under any ages, and the natural curing was higher than the standard curing, the restricted condition was higher than the unrestricted condition. In a variety of corrosive media, the sulfur-fixing ash dry mixed mortar has a good resistance to fresh water, dilute acid and sulfate, while affect the long-term strength growth in the dilute alkali and chloride, which is due to the composition and structure of CFBC itself, is the result of its autogenously curing in mortar. |
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