|本期目录/Table of Contents|

[1]刘凤超,秦拥军,冯倍森,等.玄武岩纤维沙漠砂混凝土柱受压力学性能研究[J].建筑科学与工程学报,2025,42(05):85-94.[doi:10.19815/j.jace.2024.01070]
　LIU Fengchao,QIN Yongjun,FENG Beisen,et al.Study on compressive mechanical property of basalt fiber desert sand concrete column[J].Journal of Architecture and Civil Engineering,2025,42(05):85-94.[doi:10.19815/j.jace.2024.01070]
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玄武岩纤维沙漠砂混凝土柱受压力学性能研究(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
42卷
期数:
2025年05期
页码:
85-94
栏目:
建筑结构
出版日期:
2025-09-30

文章信息/Info

Title:
Study on compressive mechanical property of basalt fiber desert sand concrete column
文章编号:
1673-2049(2025)05-0085-10
作者:
刘凤超,秦拥军,冯倍森,孟军
(新疆大学 建筑工程学院,新疆 乌鲁木齐 830047)
Author(s):
LIU Fengchao, QIN Yongjun, FENG Beisen, MENG Jun
(College of Civil Engineering and Architecture, Xinjiang University, Urumqi 830047, Xinjiang, China)
关键词:
沙漠砂混凝土柱;  玄武岩纤维;  受压性能;  力学指标;  综合分析
Keywords:
desert sand concrete column;  basalt fibre;  compression performance;  mechanical indicator;  comprehensive analysis
分类号:
TU375.3
DOI:
10.19815/j.jace.2024.01070
文献标志码:
A
摘要:
以玄武岩纤维质量掺量(0%、0.05%、0.1%、0.15%)和偏心距(0、60、120 mm)为主要研究参数,通过静力加载试验,分析玄武岩纤维沙漠砂混凝土柱的受压力学性能; 以受压承载力变化率为因变量,提出混凝土荷载压应变指数、钢筋荷载应变指数、荷载挠度指数,分析试验承载力对混凝土压应变、钢筋应变、柱中挠度的敏感程度。考虑玄武岩纤维对各项力学指标的综合影响程度,得出基于力学性能平衡发展的最优玄武岩纤维质量掺量。结果表明:玄武岩纤维可以提高沙漠砂混凝土柱的承载能力、变形能力,构件破坏时,纤维掺量为0.1%的构件相较其他组构件的破坏程度更小,裂缝延伸较短,破坏形态较好且受压柱力学性能更佳; 通过对各项力学性能指标进行综合分析发现,最优玄武岩纤维质量掺量为0.1%,其各项力学指标优化更接近平衡状态。
Abstract:
Using basalt fiber content(0%, 0.05%, 0.1%, 0.15%)and eccentricity(0, 60, 120 mm)as the main research parameters, the compressive mechanical properties of basalt fiber desert sand concrete column were analyzed through static loading tests. With the variation rate of compressive bearing capacity as the dependent variable, concrete load compressive strain index, steel load strain index, and load deflection index were proposed to analyze the sensitivity of the experimental bearing capacity to concrete compressive strain, steel strain, and column deflection. Considering the comprehensive influence of basalt fiber on various mechanical indicators, the optimal basalt fiber content was determined based on balanced mechanical performance development. The results show that basalt fiber can enhance the load bearing capacity and deformation capacity of desert sand concrete columns. When the components fail, the component with a 0.1% fiber content exhibits less damage, shorter crack propagation, better failure modes, and superior mechanical properties compared to other components. Through comprehensive analysis of various mechanical indicators, it is found that the optimal basalt fiber content is 0.1%, and the optimization of various mechanical indicators is closer to the balanced state.

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备注/Memo

备注/Memo:
收稿日期:2024-01-13 投稿网址:http://jace.chd.edu.cn
基金项目:国家自然科学基金项目(52268046); 新疆生产建设兵团科技攻关项目(2019DB004)
通信作者:秦拥军(1970-),男,教授,博士生导师,E-mail: qyjjg@xju.edu.cn。
Author resume: QIN Yongjun(1970-), male, professor, E-mail: qyjjg@xju.edu.cn.
更新日期/Last Update: 2025-09-25