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优化磁驱动环氧水泥维修材料的流动性和抗拉强度,基于响应表面的反应

Shifu Qin^1,2, Jie Liu^1,2, Xiaoping Wang^1,2

¹College of Civil Engineering and Architecture, China Three Gorges University, Yichang, 443002, China.

Scientific reports

|June 14, 2023

概括

一种新的磁驱动环氧树脂水泥泥可以改善水下裂的修复. 这种创新材料展示了受控的运动和保留,实现了卓越的流动性和抗拉强度,以实现有效的结构维护.

科学领域:

材料科学材料科学材料科学
土木工程土木工程是指土木工程.
建筑工程技术建筑工程技术

背景情况:

水下裂修复带来了重大挑战,包括排水,排气和泥保留问题.
传统的修复方法往往受阻于无法控制材料的放置和稳定性在水下环境.

研究的目的:

开发和优化磁驱动的环氧树脂水泥泥,以改善水下裂纹修复.
在不同的成分比下,研究开发的泥的流动性和拉伸性质.
通过响应表面方法来建立磁驱动泥的最佳配方.

主要方法:

进行初步研究,以确定影响泥性质的关键因素.
单因素实验,以确定每个组件的最佳范围.
响应表面方法 (RSM) 来得出最佳的泥比率.
最终的泥成分和性质的微观表征.

主要成果:

开发了一种磁驱动的环氧树脂水泥泥,能够进行定向运动和固定点保留.
已建立的回归模型 (2FI和二进制) 与组件比率 (环氧树脂,水比率,Fe3O4,SAC) 与流动性和抗拉强度相关.
确定了因素对响应变量影响的顺序:ER含量 > 水比率 > SAC含量 > Fe3O4含量.
实现了最佳的泥性能,流动度为223.31毫米,拉伸强度为2.47 MPa.

结论:

开发的磁驱动泥有效地解决了水下修复挑战.
使用RSM和回归建模的优化过程被证明可靠地实现所需的材料性能.
显微镜分析证实了优化泥的良好的晶相,表面形态和结构成分,表明其适用于实际应用.

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