混杂纤维混凝土高温后性能劣化分析与强度预测

硅酸盐通报 ›› 2023, Vol. 42 ›› Issue (4): 1260-1269.

所属专题：水泥混凝土

混杂纤维混凝土高温后性能劣化分析与强度预测

张劲竹¹, 刘华新¹, 王家贺², 柳根金³, 王学志¹

1.辽宁工业大学土木建筑工程学院,锦州 121001;
2.中交路桥建设有限公司,北京 100024;
3.浙大宁波理工学院土木建筑工程学院,宁波 315100

收稿日期:2022-11-10 修订日期:2023-02-09 出版日期:2023-04-15 发布日期:2023-04-25
通信作者: 柳根金,博士,讲师。E-mail:liugenjin@163.com
作者简介:张劲竹(1998—),女,硕士研究生。主要从事高性能混凝土的研究与应用。E-mail:Zhang_jz20@163.com
基金资助:
研究生联合培养基地项目(YJD202102);浙江省教育厅一般科研项目(Y202146776);浙江省自然科学基金资助项目(LQ22E080024);辽宁省教育厅2022年度科学研究经费项目(LJKMZ20220979)

Performance Degradation Analysis and Strength Prediction of Hybrid Fiber Reinforced Concrete after High Temperature

ZHANG Jinzhu¹, LIU Huaxin¹, WANG Jiahe², LIU Genjin³, WANG Xuezhi¹

1. School of Civil Engineering and Architecture, Liaoning University of Technology, Jinzhou 121001, China;
2. CCCC Road and Bridge Construction Co., Ltd., Beijing 100024, China;
3. School of Civil Engineering & Architecture, NingboTech University, Ningbo 315100, China

Received:2022-11-10 Revised:2023-02-09 Online:2023-04-15 Published:2023-04-25

摘要/Abstract

摘要： 为研究高温对混杂纤维混凝土(HFRC)残余强度与微观结构演变规律的影响,测试了HFRC在不同温度作用后的基本力学性能,借助扫描电子显微镜研究了纤维-水泥浆体界面的微观结构,并利用BP神经网络对HFRC在不同温度作用后的抗压强度进行了预测。结果表明:纤维的混杂效应显著改善了混凝土的耐高温性能,高温后HFRC的抗压强度和劈裂抗拉强度均高于素混凝土;当纤维素纤维和玄武岩纤维体积掺量均为0.15%时,HFRC的抗压强度和劈裂抗拉强度均达到最大值;HFRC内部结构密实,玄武岩纤维填充在孔隙处且与基体的黏结较好,有效抑制了裂缝的扩展;基于神经网络的预测数据与试验数据吻合,BP神经网络较好地预测了高温后HFRC的抗压强度。

关键词: 混杂纤维混凝土, 玄武岩纤维, 纤维素纤维, 力学性能, 微观结构, BP神经网络, 强度预测

Abstract: In order to study the influence of high temperature on the residual strength and microstructure evolution of hybrid fiber reinforced concrete (HFRC), the basic mechanical properties of HFRC at different temperatures were tested. The microstructure of the interface between fiber and cement paste was studied by scanning electron microscopy and the compressive strength of HFRC after different heat treatment temperatures was predicted by BP neural network. The results show that the synergistic effect of fiber significantly improves the high temperature resistance of concrete, and the compressive strength and splitting tensile strength of HFRC are higher than those of plain concrete after high temperature. The compressive strength and splitting tensile strength of HFRC reach the maximum value when the volume fraction of cellulose fiber and basalt fiber is 0.15%. The internal structure of HFRC is dense, and the basalt fiber is filled in the pores and has good bonding with the matrix, which effectively inhibits the crack propagation. The prediction data based on neural network matches with the experimental data, and the BP neural network well predicts the compressive strength of HFRC after high temperature.

Key words: hybrid fiber reinforced concrete, basalt fiber, cellulose fiber, mechanical property, microstructure, BP neural network, strength prediction

中图分类号:

TU528

张劲竹, 刘华新, 王家贺, 柳根金, 王学志. 混杂纤维混凝土高温后性能劣化分析与强度预测[J]. 硅酸盐通报, 2023, 42(4): 1260-1269.

ZHANG Jinzhu, LIU Huaxin, WANG Jiahe, LIU Genjin, WANG Xuezhi. Performance Degradation Analysis and Strength Prediction of Hybrid Fiber Reinforced Concrete after High Temperature[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(4): 1260-1269.

参考文献

[1] MAHAPATRA C K, BARAI S V. Temperature impact on residual properties of self-compacting based hybrid fiber reinforced concrete with fly ash and colloidal nano silica[J]. Construction and Building Materials, 2019, 198: 120-132.
[2] CHEN G M, YANG H, LIN C J, et al. Fracture behaviour of steel fibre reinforced recycled aggregate concrete after exposure to elevated temperatures[J]. Construction and Building Materials, 2016, 128: 272-286.
[3] GUO Z, ZHUANG C L, LI Z H, et al. Mechanical properties of carbon fiber reinforced concrete (CFRC) after exposure to high temperatures[J]. Composite Structures, 2021, 256: 113072.
[4] AHMAD S, RASUL M, ADEKUNLE S K, et al. Mechanical properties of steel fiber-reinforced UHPC mixtures exposed to elevated temperature: effects of exposure duration and fiber content[J]. Composites Part B: Engineering, 2019, 168: 291-301.
[5] RAZA S S, QURESHI L A, ALI B. Residual mechanical strength of glass fiber reinforced reactive powder concrete exposed to elevated temperatures[J]. SN Applied Sciences, 2020, 2(9): 1-11.
[6] HASSANI N M, FEREIDOON A, GHORBANZADEH A M. Experimental study on the mechanical and thermal properties of basalt fiber and nanoclay reinforced polymer concrete[J]. Composite Structures, 2018, 191: 231-238.
[7] GUO L P, ZHANG W X, SUN W, et al. High-temperature performance and multiscale damage mechanisms of hollow cellulose fiber-reinforced concrete[J]. Advances in Materials Science and Engineering, 2016, 2016: 1-14.
[8] ZHANG D, TAN K H, DASARI A, et al. Effect of natural fibers on thermal spalling resistance of ultra-high performance concrete[J]. Cement and Concrete Composites, 2020, 109: 103512.
[9] VARONA F B, BAEZA F J, BRU D, et al. Influence of high temperature on the mechanical properties of hybrid fibre reinforced normal and high strength concrete[J]. Construction and Building Materials, 2018, 159: 73-82.
[10] 滕晓丹, 谭又文, 李朋原, 等. 钢-高强高模量聚乙烯纤维混凝土高温后力学性能研究[J]. 硅酸盐通报, 2019, 38(4): 996-1001.
TENG X D, TAN Y W, LI P Y, et al. Mechanical properties of steel-UHMWPE fiber reinforced concrete after high temperature[J]. Bulletin of the Chinese Ceramic Society, 2019, 38(4): 996-1001 (in Chinese).
[11] FANG J M, HAN Z Y, GE Q Y, et al. Comparative study on properties of recycled concrete mixed with slag and polypropylene fiber/steel fiber[J]. Journal of Physics: Conference Series, 2021, 1904(1): 012018.
[12] GUO H, JIANG L Z, TAO J L, et al. Influence of a hybrid combination of steel and polypropylene fibers on concrete toughness[J]. Construction and Building Materials, 2021, 275: 122132.
[13] ARSLAN M E. Effects of basalt and glass chopped fibers addition on fracture energy and mechanical properties of ordinary concrete: CMOD measurement[J]. Construction and Building Materials, 2016, 114: 383-391.
[14] TAHA A, ALNAHHAL W, ALNUAIMI N. Bond durability of basalt FRP bars to fiber reinforced concrete in a saline environment[J]. Composite Structures, 2020, 243: 112277.
[15] CHOI Y C. Hydration and internal curing properties of plant-based natural fiber-reinforced cement composites[J]. Case Studies in Construction Materials, 2022, 17: e01690.
[16] XU H Y, WANG Z J, SHAO Z M, et al. Experimental study on durability of fiber reinforced concrete: effect of cellulose fiber, polyvinyl alcohol fiber and polyolefin fiber[J]. Construction and Building Materials, 2021, 306: 124867.
[17] DONG J F, WANG Q Y, GUAN Z W. Material properties of basalt fibre reinforced concrete made with recycled earthquake waste[J]. Construction and Building Materials, 2017, 130: 241-251.
[18] WANG Y, HUGHES P, NIU H, et al. A new method to improve the properties of recycled aggregate concrete: composite addition of basalt fiber and nano-silica[J]. Journal of Cleaner Production, 2019, 236: 1-12.
[19] European Committee for Standardization. Eurocode 2 design of concrete structures-part 1-2 general rules-structural fire design: EN 1992-1-2—2004[S]. England: European Committee for Standardization, 2004.
[20] SUN J Z, DING Z H, LI X L, et al. Bond behavior between BFRP bar and basalt fiber reinforced seawater sea-sand recycled aggregate concrete[J]. Construction and Building Materials, 2021, 285: 122951.
[21] ZHOU A, QIU Q, CHOW C, et al. Interfacial performance of aramid, basalt and carbon fiber reinforced polymer bonded concrete exposed to high temperature[J]. Composites Part a-Applied Science and Manufacturing, 2020, 131: 105802.
[22] HAKAN C. Prediction of the compressive strength of volcanic tuff mineral additive concrete using artificial neural network[J]. Arabian Journal of Geosciences, 2021, 14(21): 2215-2220.
[23] TANYILDIZI H. Prediction of the strength properties of carbon fiber-reinforced lightweight concrete exposed to the high temperature using artificial neural network and support vector machine[J]. Advances in Civil Engineering, 2018, 2018: 1-10.
[24] XUE J, SHAO J F, BURLION N. Estimation of constituent properties of concrete materials with an artificial neural network based method[J]. Cement and Concrete Research, 2021, 150: 106614.
[25] 董玉洁, 刘华新, 李庆文, 等. 混杂纤维混凝土高温后力学性能研究[J]. 玻璃钢/复合材料, 2019(5): 62-65+70.
DONG Y J, LIU H X, LI Q W, et al. Mechanical properties of hybrid fiber reinforced concrete at high temperature[J]. Fiber Reinforced Plastics/Composites, 2019(5): 62-65+70 (in Chinese).
[26] 朱柏衡, 刘华新. 高温后混杂纤维再生混凝土力学性能试验研究[J]. 铁道科学与工程学报, 2021, 18(6): 1479-1485.
ZHU B H, LIU H X. Experimental study on mechanical properties of hybrid fiber reinforced recycled concrete after high temperature[J]. Journal of Railway Science and Engineering, 2021, 18(6): 1479-1485 (in Chinese).
[27] 李曈, 张晓东, 刘华新, 等. 高温后混杂纤维混凝土力学性能试验研究[J]. 铁道科学与工程学报, 2020, 17(5): 1171-1177.
LI T, ZHANG X D, LIU H X, et al. Experimental research on mechanical properties of hybrid fiber concrete after high temperature[J]. Journal of Railway Science and Engineering, 2020, 17(5): 1171-1177 (in Chinese).

混杂纤维混凝土高温后性能劣化分析与强度预测

Performance Degradation Analysis and Strength Prediction of Hybrid Fiber Reinforced Concrete after High Temperature

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