玄武岩纤维网对混凝土板早龄期抗裂性能影响研究

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关键词：玄武岩纤维网；配合比；平板约束试验；抗裂性能；收缩应变中图分类号：TU528.58 文献标志码：A 文章编号：1005-8249（2026）02-0071-08DOI：10.19860/j.cnki.issn1005-8249.2026.02.012

Effect of Basalt Fiber Mesh on Crack Resistance of Concrete Slabs

LIU Hongbo1，³，YANG Xiangdong'，DU Peng'，QI Xiaolei²，WANG Shibin²， ZHAO Liang4

（1.School of Civil Engineering，Hebei University of Engineering，Handan O56O38，China;

2. Hebei Construction Engineering Group Co.， Ltd.， Shijiazhuang O5O051， China;

3.School of Civil Engineering， Tianjin University， Tianjin 3OOO72，China； 4. Department of Architectural Engineering，Shijiazhuang University of Applied Technology， Shijiazhuang O5O081，China） Abstract：Inorder tostudytheefectof basalt fiber webontheearlyagecrack resistanceofconcreteslab，therestrained shrinkagecracking testofconcreteslabwascariedout.Two kindsofconcreteslabswithdiferent mixproportionswere designed，andtwokindsofbasaltfiberwebswereselectedasanalysisparameterstoverifythecrackresistanceefectoffiber webs inconcrete slabs.Throughthecomparative analysisof thecrack distributionlaw，cracking area，maximum crack width， crackingtimeandshrinkagestrainoftheconcreteslab，theanti-crackingefectofthebasaltfibermeshreinforcedconcreteslab wasevaluated.Thetestresultsshowthattheconcreteslabcracks mainlyappearintheconstraintendandthecentralpart；the fibermesharrangementintheconcreteslabwillimproveitscrackresistance，andthecrackresistanceisbetteras themesh arrangement position is closeto the surfaceof the slab，and the cracking area ofthe plain concrete slabis reduced by 79.33% （204 compared with thatof heplainconcrete slab.Whenthe mesh isarrangedonthe surfaceof theconcreteslab，thecrackingarea of the specimen with fiber mesh is reduced by 13.14% ， 39.17% and 53.92% respectively compared with the specimen with steel wire mesh.Thearrangement offiber netonthesurfaceofconcrete slabcaneffectivelyreduce theshrinkage strain nside the slab.The research results can provide experimental data support for the engineering applicationof basalt fiber web. Key Words：basalt fiber mesh；mix proportion；plate restraint test；crack resistance；shrinkage strain

0 引言

混凝土板的收缩裂缝是建筑工程中的常见问题，这些裂缝不仅影响建筑物外观，还会引起结构的稳定性和耐久性问题[1-2]。（剩余9017字）