高强硅酸盐陶粒混凝土的制备及性能研究_《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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高强硅酸盐陶粒混凝土的制备及性能研究

Study on Preparation and Properties of High-strength Silicate Ceramsite Concrete

2022年第5期

陶粒；高强轻骨料混凝土；页岩陶砂；水胶比；抗压强度；干表观密度

Ceramsite; High-strength lightweight aggregate concrete; Shale ceramsite sand; Water-binder ratio; Compressive strength; Dry apparent density

2022年第5期

10.19761/j.1000-4637.2022.05.067.05

上海市浦江人才计划资助项目（20PJ1417600）；上海市科学技术委员会资助项目（18DZ2282600）。

朱然1,2，王圣怡1,2，占羿箭1,2

1.上海建工集团股份有限公司，上海 200080；2.上海高大结构高性能混凝土工程技术研究中心，上海 201114

朱然1,2，王圣怡1,2，占羿箭1,2

朱然,王圣怡,占羿箭.高强硅酸盐陶粒混凝土的制备及性能研究[J].混凝土与水泥制品,2022(5):67-71.

ZHU R,WANG S Y,ZHAN Y J.Study on Preparation and Properties of High-strength Silicate Ceramsite Concrete[J].China Concrete and Cement Products,2022(5):67-71.

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1000

摘要：对陶粒、陶砂进行预湿处理，并将其用于配制高强硅酸盐陶粒混凝土，研究了水胶比、漂珠掺量、陶砂取代率对高强硅酸盐陶粒混凝土性能的影响。结果表明：预吸水陶粒、陶砂具备改善界面性能、内养护等多重作用，可有效提高轻骨料混凝土的强度；水胶比是决定轻骨料混凝土强度的关键因素，随着水胶比的降低，轻骨料混凝土的强度增长明显；减重材料如漂珠应谨慎使用，使用时应设置合理的应用区间，避免轻骨料混凝土中的水分含量出现较大波动。 Abstract: The ceramsite and ceramic sand were pre-wetted and used to prepare high-strength silicate ceramsite concrete. The effects of water-binder ratio, fly ash cenosphere content and ceramic sand replacement rate on the properties of high-strength silicate ceramsite concrete were studied. The results show that pre-absorbent ceramsite and ceramic sand have multiple functions such as improving the interface performance and internal curing, which can effectively increase the strength of lightweight aggregate concrete. The water-binder ratio is the key factor in determining the strength of lightweight aggregate concrete. As the water-binder ratio decreases, the strength of lightweight aggregate concrete increases significantly. Weight-reducing materials such as fly ash cenosphere should be used with caution, and a reasonable application interval should be set to avoid large fluctuations in the moisture content of lightweight aggregate concrete.

英文名 : Study on Preparation and Properties of High-strength Silicate Ceramsite Concrete

刊期 : 2022年第5期

关键词 : 陶粒；高强轻骨料混凝土；页岩陶砂；水胶比；抗压强度；干表观密度

Key words : Ceramsite; High-strength lightweight aggregate concrete; Shale ceramsite sand; Water-binder ratio; Compressive strength; Dry apparent density

刊期 : 2022年第5期

DOI : 10.19761/j.1000-4637.2022.05.067.05

文章编号 :

基金项目 : 上海市浦江人才计划资助项目（20PJ1417600）；上海市科学技术委员会资助项目（18DZ2282600）。

作者 : 朱然1,2，王圣怡1,2，占羿箭1,2

单位 : 1.上海建工集团股份有限公司，上海 200080；2.上海高大结构高性能混凝土工程技术研究中心，上海 201114

朱然1,2，王圣怡1,2，占羿箭1,2

朱然,王圣怡,占羿箭.高强硅酸盐陶粒混凝土的制备及性能研究[J].混凝土与水泥制品,2022(5):67-71.

ZHU R,WANG S Y,ZHAN Y J.Study on Preparation and Properties of High-strength Silicate Ceramsite Concrete[J].China Concrete and Cement Products,2022(5):67-71.

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摘要

参数

结论

参考文献

引用本文

Abstract: The ceramsite and ceramic sand were pre-wetted and used to prepare high-strength silicate ceramsite concrete. The effects of water-binder ratio, fly ash cenosphere content and ceramic sand replacement rate on the properties of high-strength silicate ceramsite concrete were studied. The results show that pre-absorbent ceramsite and ceramic sand have multiple functions such as improving the interface performance and internal curing, which can effectively increase the strength of lightweight aggregate concrete. The water-binder ratio is the key factor in determining the strength of lightweight aggregate concrete. As the water-binder ratio decreases, the strength of lightweight aggregate concrete increases significantly. Weight-reducing materials such as fly ash cenosphere should be used with caution, and a reasonable application interval should be set to avoid large fluctuations in the moisture content of lightweight aggregate concrete.

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