铁尾形砂套接头的机械性能和力量分析
Fuyin Guo1, Jiahao Wang2,3, Lin Zhao4
1Henan Zhonggong Design & Research Group Co., Ltd., Zhengzhou 450018, China.
Materials (Basel, Switzerland)
|October 16, 2024
概括
使用铁尾沙料加强条形套连接器,在更小的钢筋直径下显示出更好的抓地力和粘合强度. 这些连接器在重复的拉力负荷下表现出令人满意的性能,在初始固定部分的完整性更好.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 地质技术工程 地质技术工程
背景情况:
- 加强条形套连接器在混凝土结构中至关重要.
- 研究可持续的填充材料,如铁尾砂,对于建筑是必不可少的.
- 了解这些连接器在各种应力条件下的机械行为对于结构完整性至关重要.
研究的目的:
- 为了分析加固条袖连接器的机械性能和内部应力,用铁尾砂水泥料填充.
- 为了评估这些连接器在单向拉力,高应力和大变形重复拉力和压力下的性能.
- 为了确定钢筋直径和 anchorage 长度对连接器性能的影响.
主要方法:
- 实验研究加强条形套连接器与铁尾砂 (40%的机制砂替代).
- 在单向拉力,重复拉力和压力压力下分析机械性能.
- 在不同 anchorage 长度的袖口关节上进行单向拉力测试.
主要成果:
- 钢筋直径的减少增加了抓地力和粘合强度.
- 铁尾砂料套接头在高压力和大变形下显示出令人满意的残余变形和总延伸.
- 最终部分表现出一个小的限制 anchorage效果,而初始部分显示出更好的利用和完整性.
结论:
- 铁尾砂是一种可行的填充材料,用于加强条形套连接器.
- 连接器的性能受到钢筋直径和 anchorage 长度的显著影响.
- 该材料表现出良好的机械性能和完整性,特别是在初始固定区域.
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