| Dynamic properties of mortar with oyster shell sand replacement | |
| Lin, Yanling1,2,3; Ren, Yuzhe2,3; Ge, Tiange2,3; Al-Ajamee, Mohammed4; Xu, Yinglei3; Mohamed, Abubaker Ahmed Mohamed Salih4; Ma, Lu5; Huang, Liliang2,3 | |
| 2024-11-18 | |
| 发表期刊 | SCIENTIFIC REPORTS
 |
| ISSN | 2045-2322 |
| 卷号 | 14期号:1 |
| 摘要 | With the rapid expansion of construction engineering, the demand for traditional materials, particularly natural river sand, has surged, resulting in excessive resource exploitation and significant ecological damage. In response, the use of waste oyster shells as a sustainable alternative for fine aggregates has gained attention. However, limited research has been conducted on the dynamic properties of mortar with this substitution. This study explores the potential of using crushed oyster shell sand (OSS) as fine aggregates in mortar. A series of Split Hopkinson Pressure Bar (SHPB) tests under different gas pressures (pg) (0.2, 0.3, and 0.4 MPa) were carried out on mortar samples with five OSS replacement ratios (Rr) (0%, 20%, 50%, 80%, and 100%), using a water-to-cement ratio of 0.55. The results showed that when the OSS replacement rate (Rr) increased from 0 to 20%, there was a significant increase in peak stress (sigma max) and elastic modulus (E), attributed to the filling effect of OSS, which enhanced the absorbed energy (Eab) and strength contribution rate (SCR). However, at Rr above 20%, a sharp decline in sigma max and E was observed, primarily due to porous characteristics of OSS. Correspondingly, Eab decreased, reducing the impact resistance of mortar. Moreover, the negative SCR suggests detrimental effects on mortar integrity at higher OSS Rr levels. Predictive relationships for peak stress and elastic modulus across different replacement ratios were established in this study, providing a foundational reference for the design and assessment of the dynamic mechanical response of structures incorporating OSS. |
| 关键词 | Split Hopkinson pressure bar (SHPB) tests Oyster shell sand Peak stress Elastic modulus Absorbed energy Strength contribution rate. |
| 其他关键词 | FLY-ASH ; AGGREGATE ; CONCRETE ; CEMENT ; STRENGTH ; BRICKS |
| DOI | 10.1038/s41598-024-77133-y |
| 收录类别 | SCIE |
| 语种 | 英语 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:001359401800016 |
| 出版者 | NATURE PORTFOLIO |
| 原始文献类型 | Article |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.library.ouchn.edu.cn/handle/39V7QQFX/173654 |
| 专题 | 国家开放大学江苏分部 |
| 通讯作者 | Al-Ajamee, Mohammed |
| 作者单位 | 1.Jiangsu Open Univ, Sch Construct Engn, 399 North Jiangdong Rd, Nanjing, Peoples R China; 2.Hohai Univ, Key Lab, Minist Educ Geomech & Embankment Engn, 1 Xikang Rd, Nanjing, Peoples R China; 3.Hohai Univ, Coll Civil & Transportat Engn, 1 Xikang Rd, Nanjing, Peoples R China; 4.Univ Khartoum, Fac Engn, Dept Civil Engn, Khartoum, Sudan; 5.Anhui Sci & Technol Univ, Coll Architecture, 1501 Huangshan Ave, Bengbu, Anhui, Peoples R China |
| 第一作者单位 | 国家开放大学江苏分部 |
| 第一作者的第一单位 | 国家开放大学江苏分部 |
| 推荐引用方式 GB/T 7714 | Lin, Yanling,Ren, Yuzhe,Ge, Tiange,et al. Dynamic properties of mortar with oyster shell sand replacement[J]. SCIENTIFIC REPORTS,2024,14(1). |
| APA | Lin, Yanling.,Ren, Yuzhe.,Ge, Tiange.,Al-Ajamee, Mohammed.,Xu, Yinglei.,...&Huang, Liliang.(2024).Dynamic properties of mortar with oyster shell sand replacement.SCIENTIFIC REPORTS,14(1). |
| MLA | Lin, Yanling,et al."Dynamic properties of mortar with oyster shell sand replacement".SCIENTIFIC REPORTS 14.1(2024). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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