基于响应曲面法的纳米颗粒增强水泥浆体制备研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (12): 3918-3926.

基于响应曲面法的纳米颗粒增强水泥浆体制备研究

王志航¹, 白二雷¹, 许金余^1,2, 罗鑫³, 孟欣¹, 刘高杰⁴, 任彪¹, 朱靖塞¹

1.空军工程大学航空工程学院,西安 710038;
2.西北工业大学力学与土木建筑学院,西安 710072;
3.军事科学院国防工程研究院,北京 100036;
4.中国海警局直属第三局,广州 510006

出版日期:2021-12-15 发布日期:2022-01-07
通讯作者: 白二雷,博士,副教授。E-mail:bwxkgy@163.com
作者简介:王志航(1996—),男,硕士研究生。主要从事新型水泥基材料的研究。E-mail:1833525542@qq.com
基金资助:
国家自然科学基金(51208507);陕西省青年科技新星计划(2013KJXX-81);军队科研项目(JK20191A010001)

Preparation of Nano-Particles Reinforced Cement Paste Based on Response Surface Method

WANG Zhihang¹, BAI Erlei¹, XU Jinyu^1,2, LUO Xin³, MENG Xin¹, LIU Gaojie⁴, REN Biao¹, ZHU Jingsai¹

1. Aviation Engineering School, Air Force Engineering University, Xi'an 710038, China;
2. College of Mechanics and Civil Architecture, Northwest Polytechnic University, Xi'an 710072, China;
3. National Defense Engineering Research Institute, Academy of Military Sciences, Beijing 100036, China;
4. The Third Bureau of China Maritime Police Bureau, Guangzhou 510006, China

Online:2021-12-15 Published:2022-01-07

摘要/Abstract

摘要： 基于响应曲面法,考虑纳米颗粒掺量、减水剂掺量、水胶比三个关键影响因素,以水泥硬化浆体抗压强度为响应,利用中心复合设计法设计试验,建立纳米SiO₂、纳米CaCO₃、纳米Al₂O₃增强水泥浆体的强度模型,并以纳米CaCO₃增强水泥浆体强度模型为例,分析各因素对强度的影响规律,对强度模型进行验证。结果表明,当纳米颗粒与水泥质量比为0.027 0、减水剂与水泥质量比为0.017 5、水胶比为0.25时,三种纳米颗粒增强水泥浆体具有较高强度。纳米SiO₂、CaCO₃、Al₂O₃增强水泥浆体的强度模型具有较高的精度和可靠性。纳米CaCO₃增强水泥浆体的抗压强度响应值随着纳米颗粒掺量、减水剂掺量的增大先增大后减小,随着水胶比的增大逐渐减小。

关键词: 纳米颗粒, 水泥浆体, 制备, 强度模型, 响应曲面法, 中心复合设计法

Abstract: Based on the response surface method, considering the three key influencing factors of nano-particles content (NPC), polycarboxylates superplasticizer content (PSC), and water-binder ratio (WBR), the response was based on the compressive strength of hardened cement paste. Using the central composite design method to design experiments, the strength models of nano-SiO₂, nano-CaCO₃, and nano-Al₂O₃ reinforced cement paste were established. The nano-CaCO₃ reinforced cement paste strength model was taked as an example to analyze the influences of various factors on the strength and verify the strength model. The results show that when the mass ratio of nano-particle to cement is 0.027 0, the mass ratio of polycarboxylates superplasticizer to cement is 0.017 5, and water-binder ratio is 0.25, the three nano-particles reinforced cement pastes have higher strength. The strength models of nano-SiO₂, nano-CaCO₃, nano-Al₂O₃ reinforced cement paste have high accuracy and reliability. The compressive strength response value of nano-CaCO₃ reinforced cement paste first increases and then decreases with the increase of NPC and PSC, and gradually decreases with the increase of WBR.

Key words: nano-particle, cement paste, preparation, strength model, response surface method, central composite design method

中图分类号:

TU528.572

王志航, 白二雷, 许金余, 罗鑫, 孟欣, 刘高杰, 任彪, 朱靖塞. 基于响应曲面法的纳米颗粒增强水泥浆体制备研究[J]. 硅酸盐通报, 2021, 40(12): 3918-3926.

WANG Zhihang, BAI Erlei, XU Jinyu, LUO Xin, MENG Xin, LIU Gaojie, REN Biao, ZHU Jingsai. Preparation of Nano-Particles Reinforced Cement Paste Based on Response Surface Method[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(12): 3918-3926.

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