增强凝聚性土壤的耐用性,通过使用改性 guar 固化
Yang Liu1, Changbo Du1, Fu Yi2
1College of Civil Engineering, Liaoning Technical University, Fuxin 123000, China; Ordos Institute of Liaoning Technical University, Ordos 017000, China.
International journal of biological macromolecules
|April 11, 2025
概括
一种新的生物聚合物,瓜尔-多烯胺 (GG-PAM),增强了土壤对侵蚀和的抵抗力. 这种土壤稳定方法提高了在充满挑战的环境中施工项目的机械强度和耐用性.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 建筑项目面临着雨侵蚀和等恶劣天气的挑战,特别是在内蒙古等地区.
- 现有的土壤稳定方法往往缺乏足够的抵抗力,以应对户外建筑的复杂环境条件.
- 瓜尔 (GG) 是一种具有土壤修饰潜力的生物聚合物,但其独立性质可能不足.
研究的目的:
- 开发一种新的生物聚合物,GG-PAM,用于增强土壤稳定.
- 评估GG-PAM固化土壤对环境压力因素的性能,如水侵蚀和结解周期.
- 为改善路床施工和维护提供理论基础.
主要方法:
- 通过 guar (GG) 的移植共聚合合成的 GG-PAM.
- 使用热重力测量 (TG) 分析评估热稳定性.
- 研究了GG-PAM固化土壤的机械性能和微观结构.
- 进行了干湿和冷解循环试验,以比较未受限制的压力强度 (UCS) 与GG固化土壤.
- 进行了水侵蚀,裂传播和透性测试.
主要成果:
- GG-PAM表现出有利的热稳定性.
- 与GG-PAM固化土壤相比,GG-PAM固化土壤表现出明显优越的机械强度,耐用性和耐侵蚀性.
- 1%的最佳GG-PAM含量大大提高了机械强度和耐侵蚀性.
- 观察到减少了裂传播和改善了对水侵蚀的抵抗力.
结论:
- 化学改性瓜尔 (GG-PAM) 为土壤稳定提供了一个可行的解决方案,可以应对复杂的环境条件.
- GG-PAM显著提高了固化土壤的机械性能和耐用性.
- 开发的GG-PAM生物聚合物为可持续的道路床建设和维护提供了有希望的方法.
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