Development of fiber compound foaming agent and experimental study on application performance of foamed lightweight soil

IF 5.8 4区工程技术 Q1 MECHANICS

Applied Rheology Pub Date : 2023-01-01 DOI:10.1515/arh-2023-0108

Youqiang Qiu, Yijun Wang, Yang Liu, Liujun Zhang, Yashao Chen, Chenyang Li, Tong Wu, Chaoxiang Wang

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引用次数: 0

Abstract

Abstract In order to prepare high-performance foaming agent for field-cast foamed lightweight soil, the fiber compound foaming agent was prepared by the combination of anionic surfactant sodium dodecyl sulfate (SDS) and nonionic surfactant alkyl polyglucoside (APG), supplemented by hydrolyzed polyacryamide (HPAM) as the foam stabilizer. The effects of the mass ratio of surfactant and the content of foam stabilizer on the properties of fiber compound foaming agent were compared and analyzed by testing the surface tension, viscosity, foam volume, and foam half-life. Based on the analysis of foam volume and foam stability of foaming agent, the optimal mass ratio of surfactant and the optimal content of foam stabilizer were optimized. In addition, based on the optimized fiber compound foaming agent to prepare foamed lightweight soil, the influence of different foaming agent concentrations on the application performance of foamed lightweight soil was studied, and the appropriate concentration of fiber compound foaming agent solution was further optimized. Thus, the optimum reaction conditions for preparing SDS-APG compound foaming agent containing foam stabilizer HPAM were proposed as follows: mass ratio of SDS to APG was 2:1, concentration of HPAM was 3.75 wt‰, and concentration of foaming agent was 9.21 wt%.

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纤维复合发泡剂的研制及泡沫轻质土应用性能试验研究

摘要为制备高性能场投泡沫轻质土发泡剂，以阴离子表面活性剂十二烷基硫酸钠(SDS)和非离子表面活性剂烷基聚葡萄糖苷(APG)为复配剂，辅以水解聚丙烯酰胺(HPAM)作为泡沫稳定剂，制备了纤维复合发泡剂。通过测试纤维复合发泡剂的表面张力、粘度、泡沫体积和泡沫半衰期，比较分析了表面活性剂质量比和泡沫稳定剂含量对纤维复合发泡剂性能的影响。在分析发泡剂泡沫体积和泡沫稳定性的基础上，优化了表面活性剂的最佳质量比和泡沫稳定剂的最佳用量。此外，在优化后的纤维复合发泡剂制备泡沫轻质土的基础上，研究了不同发泡剂浓度对泡沫轻质土应用性能的影响，并进一步优化了纤维复合发泡剂溶液的适宜浓度。由此提出了制备含泡沫稳定剂HPAM的SDS-APG复合发泡剂的最佳反应条件为:SDS与APG的质量比为2:1,HPAM的浓度为3.75 wt‰，发泡剂的浓度为9.21 wt%。

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来源期刊

Applied Rheology 物理-力学

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Applied Rheology is a peer-reviewed, open access, electronic journal devoted to the publication in the field of applied rheology. The journal provides the readers with free, instant, and permanent access to all content worldwide; and the authors with extensive promotion of published articles, long-time preservation, language-correction services, no space constraints and immediate publication.