掺风电叶片固废料3D打印混凝土的打印性能与力学性能试验研究

doi:10.16552/j.cnki.issn1001-1625.2025.0200

硅酸盐通报 ›› 2025, Vol. 44 ›› Issue (8): 2801-2813.DOI: 10.16552/j.cnki.issn1001-1625.2025.0200

掺风电叶片固废料3D打印混凝土的打印性能与力学性能试验研究

李万润^1,2,3, 姚建兵¹, 赵文海¹, 高浙枫¹, 杜永峰^1,2,3, 朱文轩¹

1.兰州理工大学土木工程学院,兰州 730050;
2.兰州理工大学防震减灾研究所,兰州 730050;
3.兰州理工大学西部土木工程防灾减灾教育部工程研究中心,兰州 730050

收稿日期:2025-02-25 修订日期:2025-03-19 出版日期:2025-08-15 发布日期:2025-08-22
作者简介:李万润(1985—),男,博士,教授。主要从事风电结构动力响应及健康监测方面的研究。E-mail:ce_wrli@lut.edu.cn
基金资助:
国家自然科学基金(52368074);兰州市青年科技人才创新项目(2023-ON-29);甘肃省优秀博士生项目(25JRRA113)

Printing Performance and Mechanical Properties of 3D Printed Concrete Mixed with Wind Turbine Blade Solid Waste

LI Wanrun^1,2,3, YAO Jianbing¹, ZHAO Wenhai¹, GAO Zhefeng¹, DU Yongfeng^1,2,3, ZHU Wenxuan¹

1. School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China;
2. Institution of Earthquake Protection and Disaster Mitigation, Lanzhou University of Technology, Lanzhou 730050, China;
3. Western Civil Engineering Disaster Prevention and Mitigation Engineering Research Center, Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China

Received:2025-02-25 Revised:2025-03-19 Published:2025-08-15 Online:2025-08-22

摘要/Abstract

摘要： 为了研究风电叶片固废料(WTBW)对3D打印混凝土性能的影响,本研究将两种WTBW分别以不同取代率掺入3D打印混凝土,然后开展打印性能和力学性能试验。通过孔结构分析,从微观角度阐释了WTBW对3D打印混凝土性能的影响规律。结果表明,当粉末型WTBW取代率不超过10%(质量分数)、纤维绒状型WTBW取代率不超过5%(质量分数)时,3D打印混凝土的可打印性能最好。掺风电叶片固废料3D打印混凝土力学性能均存在明显的各向异性特点。与对照组相比,掺入10%粉末型WTBW的3D打印混凝土28 d抗压强度提升7.28%,抗折强度和抗劈拉强度提升不明显;掺入5%纤维绒状型WTBW的3D打印混凝土力学性能均有所降低。掺入WTBW可改善混凝土各向异性显著的问题。孔结构分析表明,粉末型WTBW在混凝土中起到填充密实作用,能有效减少混凝土孔隙率,而纤维绒状型WTBW则增大了混凝土孔隙率。

关键词: 混凝土, 风电叶片固废料, 3D打印, 打印性能, 力学性能, 孔结构

Abstract: In order to study the effect of wind turbine blade solid waste (WTBW) on the performance of 3D printed concrete, this study mixed two kinds of WTBW into 3D printed concrete at different replacement ratios, and then the printing performance and mechanical properties of 3D printed concrete were tested. By analyzing the pore structure, the effect of WTBW on the performance of 3D printed concrete was explained from the microscopic point of view. The results show that the printing performance of concrete is the best when the WTBW replacement rate of powder type is less than 10% (mass fraction) and the WTBW replacement rate of fibrous villous type is less than 5% (mass fraction). The mechanical properties of the 3D printed concrete mixed with WTBW are obviously anisotropy. Compared with the control group, the 28 d compressive strength of the 3D printed concrete mixed with 10% powder WTBW increases by 7.28%, while the flexural strength and splitting tensile strength are not significantly improved, the mechanical properties of 3D printed concrete mixed with 5% fibrous villous type WTBW decrease, and the addition of WTBW can improve the significant anisotropy of concrete. The analysis of pore structure shows that powder WTBW plays a role of filling compaction in concrete and can effectively reduce the concrete porosity, while fibrous villous type WTBW increases the concrete porosity.

Key words: concrete, wind turbine blade solid waste, 3D printing, printing performance, mechanical property, pore structure

中图分类号:

TU528

李万润, 姚建兵, 赵文海, 高浙枫, 杜永峰, 朱文轩. 掺风电叶片固废料3D打印混凝土的打印性能与力学性能试验研究[J]. 硅酸盐通报, 2025, 44(8): 2801-2813.

LI Wanrun, YAO Jianbing, ZHAO Wenhai, GAO Zhefeng, DU Yongfeng, ZHU Wenxuan. Printing Performance and Mechanical Properties of 3D Printed Concrete Mixed with Wind Turbine Blade Solid Waste[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(8): 2801-2813.

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掺风电叶片固废料3D打印混凝土的打印性能与力学性能试验研究

Printing Performance and Mechanical Properties of 3D Printed Concrete Mixed with Wind Turbine Blade Solid Waste

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