软土固化材料研究进展  

Research progress of soft soil stabilizer

作　　者：徐日庆[1,2] 张白羚 张岗平 闫自海 徐启良 俞天赐 XU Riqing;ZHANG Bailing;ZHANG Gangping;YAN Zihai;XU Qiliang;YU Tianci(Research Center of Coastal and Urban Geotechnical Engineering,Zhejiang University,Hangzhou 310058,Zhejiang,China;Engineering Research Center of Urban Underground Development of Zhejiang Province,Hangzhou 310058,Zhejiang,China;Power China Huadong Engineering Corporation Limited,Hangzhou 311122,Zhejiang,China)

机构地区：[1]浙江大学滨海和城市岩土工程研究中心,浙江杭州310058 [2]浙江大学浙江省城市地下空间开发工程技术研究中心,浙江杭州310058 [3]中国电建集团华东勘测设计研究院有限公司,浙江杭州311122

出　　处：《地基处理》2024年第4期377-387,共11页Journal of Ground Improvement

基　　金：浙江省重点研发计划项目(2019C03103)。

摘　　要：随着对软土固化材料研究的不断深入,其在土壤固化领域的应用受到了广泛的关注。软土固化材料是一种节能环保的工程材料,用其处理软土可有效解决施工难、耗时长和成本高的问题,且具有工程适应性强、用量少、绿色环保等特点,应用范围十分广泛。为明确软土固化材料对土壤的加固机理和增强效果,本文回顾了近年来不同种类软土固化材料的研究进展,介绍了无机、有机、生物酶和离子4类软土固化材料的固化机理,对这4类固化土的无侧限抗压强度、抗剪强度等力学性能,以及在水稳定性、干湿循环和冻融循环等条件下的稳定性进行总结。在此基础上,本文归纳了软土固化材料的优缺点和适用范围,并结合现有研究指出有待进一步探讨的问题,为软土固化材料的未来发展提供参考。In the area of soil stabilization,there is growing interest in the utilization of soft soil stabilizers,which offer promising prospects for soil improvement practices.Soft soil stabilizers represent an eco-friendly and resource-efficient approach to soil treatment,offering viable solutions to the challenges associated with intricate,time-intensive,and costly construction endeavors.Characterized by their engineering versatility,minimal dosage requirements,and eco-conscious attributes,soft soil stabilizers have garnered widespread adoption.This work aims to elucidate the underlying reinforcement mechanisms and performance enhancement effects of soft soil stabilizers.By examining recent advancements,it comprehensively reviews the efficacy of various types of soft soil stabilizers,including inorganic,organic,bio-enzymatic,and ionic agents.Through an analysis of the curing mechanisms and mechanical properties,such as unconfined compression strength and shear strength,this work sheds light on the stability of soil treated with these stabilizers under different conditions,including water stability,dry and wet cycles,and freeze-thaw cycles.Additionally,it offers a nuanced evaluation of the advantages,drawbacks,and application domains of soft soil stabilizers.Furthermore,this work identifies areas warranting further investigation,thus serving as a valuable reference for future research endeavors in the field of soft soil stabilizer.

关 键 词：软土固化 固化机理 力学性能 稳定性 土壤固化剂 应用范围 

分 类 号：TU472[建筑科学—结构工程]