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Flexural behaviour of bamboo-reinforced wall panels with varying fly ash content

机译:不同粉煤灰含量的竹增强墙板的抗弯性能

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摘要

This study investigates the effect of fly ash in bamboo-reinforced mortar wall panels. The effect of fly ash with bamboo has been quantified by evaluating the material properties of bamboo, the compressive strength of mortar mixes, composite panel properties through non-destructive testing techniques and by evaluating the flexural strength of panels through two-point loading tests. Nine panels were fabricated with mortar mixes categorised into three groups based on mix proportion. Test results showed that bending cracks promote debonding of mortar layers under flexure with the addition of fly ash in wall panels due to lower bond strength development. Because of the reduced surface hardness and resilience, the first crack load and ultimate load were lowered compared to panels developed without fly ash. Debonding failure under flexure loads was observed, which leads to a reduction in flexural strength of the panels with the addition of fly ash, although significant compressive strength and cost-effectiveness was achieved.
机译:这项研究调查了粉煤灰对竹增强砂浆墙板的影响。通过评估竹子的材料性能,砂浆混合物的抗压强度,通过无损检测技术的复合板性能以及通过两点载荷测试评估板的抗弯强度,可以量化飞灰对竹材的影响。九块面板是用根据混合物比例分为三组的砂浆混合物制成的。试验结果表明,由于较低的粘结强度发展,弯曲裂缝促进了挠曲下砂浆层的剥离,并在墙板中添加了飞灰。由于降低了表面硬度和弹性,与没有粉煤灰开发的面板相比,其第一裂纹载荷和极限载荷降低了。观察到在弯曲载荷下的脱粘失效,尽管获得了显着的抗压强度和成本效益,但是由于添加了飞灰,导致了面板的抗弯强度的降低。

著录项

  • 来源
    《Magazine of Concrete Research》 |2020年第10期|434-446|共13页
  • 作者

  • 作者单位

    Amity Univ Dept Civil Engn Noida India;

    IIT Patna Dept Civil & Environm Engn Patna Bihar India;

    Indian Railways Koraput Odisha India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    bond; mortar; sustainability;

    机译:键;砂浆;可持续性;

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