蔗渣灰对砂浆性能及孔结构的影响研究_《混凝土与水泥制品》杂志社

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蔗渣灰对砂浆性能及孔结构的影响研究

Effect of Bagasse Ash on Properties and Pore Structure of Mortar

2022年第10期

蔗渣灰；砂浆；强度；氯离子扩散系数；碳化深度；孔结构

Bagasse ash; Mortar; Strength; Chloride ion diffusion coefficient; Carbonization depth; Pore structure

2022年第10期

10.19761/j.1000-4637.2022.10.092.05

广西创新驱动发展专项项目（GKAA18242007、GKAA18118029）；国家级大学生创新创业训练计划项目(202110593068)。

李腾宇a，梁晋鹏a，陀广泉a，韦远富a，陈正a，b，李舒阳a，韦京利a

广西大学 a.土木建筑工程学院工程防灾与结构安全教育部重点实验室；b.广西防灾减灾与工程安全重点实验室，广西南宁 530004

李腾宇a，梁晋鹏a，陀广泉a，韦远富a，陈正a，b，李舒阳a，韦京利a

李腾宇,梁晋鹏,陀广泉,等.蔗渣灰对砂浆性能及孔结构的影响研究[J].混凝土与水泥制品,2022(10):92-95,100.

LI T Y,LIANG J P,TUO G Q,et al.Effect of Bagasse Ash on Properties and Pore Structure of Mortar[J].China Concrete and Cement Products,2022(10):92-95,100.

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摘要：研究了蔗渣灰等质量替代水泥对砂浆力学性能、抗氯离子渗透性能和抗碳化性能的影响，分析了蔗渣灰对砂浆孔结构的影响机理。结果表明：随着蔗渣灰掺量的增加，砂浆的抗压、抗折强度均呈先增大后减小的趋势，抗氯离子渗透性能和抗碳化性能也呈相似的变化规律；蔗渣灰的最佳掺量为15%，此时，试件的抗压强度较对照组提高了9.8%，氯离子扩散系数减小了26.2%，碳化深度降低了3.8%；掺入适量蔗渣灰可有效降低砂浆基体的孔隙率，减少多害孔，优化孔结构，提高密实性。 Abstract：The effects of replacing cement with bagasse ash on the mechanical properties, chloride ion penetration resistance and carbonization resistance of mortar were studied, and the influence mechanism of bagasse ash on the pore structure of mortar was analyzed. The results show that with the increase of bagasse ash content, the compressive strength and flexural strength of mortar increase first and then decrease, and the chloride ion penetration resistance and carbonization resistance also show a similar change law. The optimum content of bagasse ash is 15%, at this time, the compressive strength of the specimen is increased by 9.8% compared with the control group, the chloride ion diffusion coefficient is decreased by 26.2%, and the carbonization depth is decreased by 3.8%. Adding appropriate amount of bagasse ash can effectively reduce the porosity of mortar matrix, reduce the harmful pores, optimize the pore structure and improve the compactness.

英文名 : Effect of Bagasse Ash on Properties and Pore Structure of Mortar

刊期 : 2022年第10期

关键词 : 蔗渣灰；砂浆；强度；氯离子扩散系数；碳化深度；孔结构

Key words : Bagasse ash; Mortar; Strength; Chloride ion diffusion coefficient; Carbonization depth; Pore structure

刊期 : 2022年第10期

DOI : 10.19761/j.1000-4637.2022.10.092.05

文章编号 :

基金项目 : 广西创新驱动发展专项项目（GKAA18242007、GKAA18118029）；国家级大学生创新创业训练计划项目(202110593068)。

作者 : 李腾宇a，梁晋鹏a，陀广泉a，韦远富a，陈正a，b，李舒阳a，韦京利a

单位 : 广西大学 a.土木建筑工程学院工程防灾与结构安全教育部重点实验室；b.广西防灾减灾与工程安全重点实验室，广西南宁 530004

李腾宇a，梁晋鹏a，陀广泉a，韦远富a，陈正a，b，李舒阳a，韦京利a

李腾宇,梁晋鹏,陀广泉,等.蔗渣灰对砂浆性能及孔结构的影响研究[J].混凝土与水泥制品,2022(10):92-95,100.

LI T Y,LIANG J P,TUO G Q,et al.Effect of Bagasse Ash on Properties and Pore Structure of Mortar[J].China Concrete and Cement Products,2022(10):92-95,100.

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摘要

参数

结论

参考文献

引用本文

Abstract：The effects of replacing cement with bagasse ash on the mechanical properties, chloride ion penetration resistance and carbonization resistance of mortar were studied, and the influence mechanism of bagasse ash on the pore structure of mortar was analyzed. The results show that with the increase of bagasse ash content, the compressive strength and flexural strength of mortar increase first and then decrease, and the chloride ion penetration resistance and carbonization resistance also show a similar change law. The optimum content of bagasse ash is 15%, at this time, the compressive strength of the specimen is increased by 9.8% compared with the control group, the chloride ion diffusion coefficient is decreased by 26.2%, and the carbonization depth is decreased by 3.8%. Adding appropriate amount of bagasse ash can effectively reduce the porosity of mortar matrix, reduce the harmful pores, optimize the pore structure and improve the compactness.

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蔗渣灰对砂浆性能及孔结构的影响研究

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