竹纤维再生骨料生态混凝土力学与植生性能研究
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作者单位:

1.上海城建职业学院 市政与生态工程学院;2.浙江海洋大学船舶与海运工程学院 浙江舟山  3.浙江润达检测科技有限公司;4.东南大学土木工程学院

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中图分类号:

U444

基金项目:

国家自然科学基金资助(51879236)


Study on the Performance of Bamboo Fiber Reinforced Eco-concrete with Recycled Aggregate
Author:
Affiliation:

1.Shanghai Urban Construction Vocational College;2.Southeast University;3.Zhejiang Ocean University;4.Zhejiang Runda Testing Technology Co. , Ltd

Fund Project:

Science Foundation for the Excellent Youth Scholars of the Ministry of Education of China

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    摘要:

    针对当前大量存在的城市建筑垃圾处理问题,研究利用经过加工处理的再生建筑垃圾骨料以及竹制品垃圾等材料,成功制备了竹纤维再生骨料生态混凝土。通过调整竹纤维的添加量,并采用正交试验方法系统分析了竹纤维掺入量对混凝土力学性能和植被覆盖性能的影响。试验结果显示,竹纤维的掺入能够显著增强生态混凝土的韧性。尤其当竹纤维掺入量达到3.0kg/m3以上时,对再生骨料生态混凝土的抗拉性能有明显的增强效果。由于竹纤维能够在混凝土中形成空间网状结构,试验中混凝土的抗拉强度最高可达4.71MPa。此外,采用优化后的配合比进行的混凝土植被覆盖性能试验结果表明,竹纤维再生骨料生态混凝土具有良好的植被覆盖性能。该研究成果为竹纤维再生骨料生态混凝土在工程应用中提供了可靠的试验和理论依据,为解决城市建筑垃圾处理问题,促进建筑材料的可持续和循环利用提供了一种有效的方案。

    Abstract:

    In response to the current large-scale urban construction waste disposal issues, the study utilized processed recycled construction waste aggregate and bamboo waste materials to produce bamboo fiber reinforced recycled aggregate ecological concrete. By varying the dosage of bamboo fiber in the recycled aggregate ecological concrete, the effects of bamboo fiber on the mechanical and vegetative performance of the concrete were analyzed using orthogonal experimental methods. The experimental results indicate that bamboo fiber enhances the toughness of ecological concrete significantly. Particularly, when the dosage of bamboo fiber exceeds 3.0 kg/m3, there is a significant enhancement in the tensile performance of the recycled aggregate ecological concrete. Due to the spatial network structure formed by bamboo fiber within the concrete, the highest tensile strength reached 4.71 MPa in the experiment. Furthermore, the test results showed that bamboo fiber recycled aggregate ecological concrete exhibits excellent vegetative performance. The study provides experimental and theoretical evidence for the application of bamboo fiber recycled aggregate ecological concrete in engineering. It also offers a viable solution to urban construction waste disposal problems and promotes the sustainable utilization and recycling of building materials.

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  • 收稿日期:2023-09-30
  • 最后修改日期:2024-03-12
  • 录用日期:2024-04-15
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