
1. 中铁第四勘察设计院集团有限公司
2. 武汉大学土木建筑工程学院
Published:2025
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李时亮, 郜颖超, 章荣军. 理化复合法改性淤泥的固结蠕变特性研究[J]. 2025, 47(3): 59-65.
李时亮, 郜颖超, 章荣军. 理化复合法改性淤泥的固结蠕变特性研究[J]. 2025, 47(3): 59-65. DOI: 10.13393/j.cnki.issn.1672-948X.2025.03.009.
理化复合法是进行淤泥处理及资源化利用的有效方法之一.为研究理化复合法改性淤泥的蠕变特性,本文对不同初始含水率、不同固化剂掺量的理化复合法改性淤泥试样开展了分级加载条件下的固结蠕变试验,并与传统固化法改性淤泥试样的长期变形特性进行对比.结果表明,随着荷载水平的降低、固化剂掺量的增大以及初始含水率的降低,改性淤泥试样的蠕变变形量减小;随着固化剂掺量的提升以及初始含水率的降低,理化复合法改性淤泥试样的孔隙比变化量减小、微观结构趋于完整.此外,传统固化法改性试样的固结蠕变变形量至少为理化复合法改性试样的3.11倍;理化复合法处理淤泥试样的蠕变变形量及速率均较小,而结构屈服应力较大,具有显著的优势.
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