Consolidation behavior and microstructure properties of cement-treated dredged soil during the stress curing
文献类型：期刊论文
| 作者 | He, Xingxing5,6; Chen, Yijun2,4,6; Li, Yuan5,6; Guo, Dongdong5,6; Xue, Qiang3,4,6 ; Wang, Shiquan1; Wang, Ping2,4,6; Wan, Yong3,4,6; Liu, Lei3,4,6
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| 刊名 | MARINE GEORESOURCES & GEOTECHNOLOGY
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| 出版日期 | 2021-04-08 |
| 页码 | 11 |
| 关键词 | Dredged soil cement-treated stress curing void ratio consolidation microstructure |
| ISSN号 | 1064-119X |
| DOI | 10.1080/1064119X.2021.1914249 |
| 英文摘要 | The curing stress can significantly improve the engineering properties of cement-treated dredged soil (CDS). Based on the large-scale consolidation tests, this study investigated the settlement pattern of CDS under the curing stress of 0-100 kPa, and the pressure dissipation and chemical properties of pore water were also explored. The results showed that the application of curing stress greatly accelerated the settlement of CDS and significantly reduced its void ratio, however, the consolidation efficiency gradually weakened with the increase of cement content. With the curing stress increasing, the completion time of primary settlement of CDS was prolonged, and the pH and EC values of the pore water both gradually increased. The void-ratio reduction of CDS during stress curing arises from the combined effect of mechanical compression and chemical filling, and the two effects have different contributions to the reduction of void ratio at different consolidation stages. Moreover, the effects of curing stress on the microstructure of CDS were also investigated by the scanning electron microscopy (SEM) and mercury intrusion porosimeter (MIP) tests. The results show that with the curing stress applied, the volume of large pore in CDS significantly decreased and the structure became denser. |
| 资助项目 | National Science Foundation for Distinguished Young Scholars[51625903] ; National Natural Science Foundation of China/Hong Kong Research Grants Council Joint Research Scheme[51861165104] ; Youth Innovation Promotion Association CAS[2017376] ; Yixing Taodu Talent program of Technology Innovation and Entrepreneurship leading Talent Project[CXTD201601C] |
| WOS研究方向 | Engineering ; Oceanography ; Mining & Mineral Processing |
| 语种 | 英语 |
| WOS记录号 | WOS:000650982400001 |
| 出版者 | TAYLOR & FRANCIS INC |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/27146]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Wan, Yong; Liu, Lei |
| 作者单位 | 1.Suzhou Univ, Sch Resources & Civil Engn, Suzhou, Anhui, Peoples R China 2.Wuhan CAS ITRI Solid Waste Resources Co Ltd, Wuhan, Peoples R China 3.Chinese Acad Sci, IRSM, HK PolyU Joint Lab Solid Waste Sci, Wuhan, Peoples R China 4.Hubei Prov Key Lab Contaminated Sludge & Soil Sci, Wuhan, Peoples R China 5.Univ Chinese Acad Sci, Beijing, Peoples R China 6.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan, Peoples R China |
| 推荐引用方式 GB/T 7714 | He, Xingxing,Chen, Yijun,Li, Yuan,et al. Consolidation behavior and microstructure properties of cement-treated dredged soil during the stress curing[J]. MARINE GEORESOURCES & GEOTECHNOLOGY,2021:11. |
| APA | He, Xingxing.,Chen, Yijun.,Li, Yuan.,Guo, Dongdong.,Xue, Qiang.,...&Liu, Lei.(2021).Consolidation behavior and microstructure properties of cement-treated dredged soil during the stress curing.MARINE GEORESOURCES & GEOTECHNOLOGY,11. |
| MLA | He, Xingxing,et al."Consolidation behavior and microstructure properties of cement-treated dredged soil during the stress curing".MARINE GEORESOURCES & GEOTECHNOLOGY (2021):11. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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