自密实高性能混凝土力学性能的研究与应用
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摘要
以自密实高性能混凝土的配合比优化设计为基础,对自密实高性能混凝土的钢筋粘结锚固性能、受弯构件的抗弯、抗剪性能等进行了深入的试验研究。包括中强与高强自密实混凝土,共做了62个粘结强度拉拔试验、12根梁抗弯抗剪试验,研究结果为自密实混凝土结构的设计提供了参考。介绍了自密实高性能混凝土在3座高层建筑和1座厂房加固工程中的应用,总结了工程应用中的经验。
Based on the optimum design of mix proportion for self-compacting concrete, experimental study of self-compacting concrete was conducted. The anchorage bond properties between self-compacting concrete and steels and the flexure and shear properties of flexural members were investigated. Pull-out tests on bond strength of 62 members and flexure and shear tests on bearing property of 12 beams were performed. The results offer useful references for the design of self-compacting concrete construction. The engineering applications of self-compacting concrete in three tall buildings and a workshop reinforcement project are introduced.
Based on the optimum design of mix proportion for self-compacting concrete, experimental study of self-compacting concrete was conducted. The anchorage bond properties between self-compacting concrete and steels and the flexure and shear properties of flexural members were investigated. Pull-out tests on bond strength of 62 members and flexure and shear tests on bearing property of 12 beams were performed. The results offer useful references for the design of self-compacting concrete construction. The engineering applications of self-compacting concrete in three tall buildings and a workshop reinforcement project are introduced.
引文
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[11]郑建岚,黄鹏飞.自密实高性能混凝土框架结构抗震性能试验研究[J].地震工程与工程振动,2001,21(3):79-84.ZhengJianlan,HuangPengfei.Experimental study of aseismic behavior of self-compacting concrete frame structures[J].EarthquakeEngineeringAndEngineeringVibrations,2001,21(3):79-84.(inChinese)
[2]A Ghezal,Khayat,KamalH,Beaupr镈.Development of self-consolidating concrete with low binder content and minerals additives[C].FirstNorthAmericanConference on theDesign andUse ofSelf-ConsolidatingConcrete,2002,12-13:77-84.
[3]JosephAssaad,KamalH,Khayat, andHabibMesbah.Variation of formwork pressure with thixotropy ofself-consolidating concrete[J].ACI MaterialsJournal,2003,100(1):29-37.
[4]Saak,A W,Jennings,H M.Shah.New methodology for designing self-compacting concrete[J].ACI MaterialsJournal,2001,98(6):429-439.
[5]SuNan,HsuKung-Chung,ChaiHis-Wen.A simple mix design method for self-compacting concrete[J].Cement andConcreteResearch,2001,31(12):1799-1807.
[6]Narita,Takeshi andSekino,Kazuo.Study on properties and mix design of self-compacting concrete containing high volume fly ash[J].ConcreteResearch andTechnology,2003,14(1):43-56.
[7]HajimeOkamura andMasahiroOuchi.Self-compacting concrete[J].Journal ofAdvancedConcreteTechnology,2003,1(1):5-15.
[8]HayakawaM, et. al.Development and application of super workable concrete[M].RILEM InternationalWorkshop onSpecialConcretes:Workability andMixing,Paisley,1993.
[9]张青,廉慧珍,王平.自密实高性能混凝土施工性能的评价方法[C].高强与高性能混凝土及其应用(第三届学术讨论会论文集),1998.106-114.ZhangQing,LianHuizhen,WangPin.Evaluating method for construction property of self-compacting high-performance concrete[C].High-strength andHigh-performanceConcrete and itsApplication(Proceedings of theThirdConference onHighPerformanceConcrete),1998.106-114.(inChinese)
[10]张青,廉慧珍.自密实高性能混凝土配合比研究与设计[C].高强与高性能混凝土及其应用(第三届学术讨论会论文集),1998.115-121.ZhangQing,LianHuizhen.Mix proportion study and design of self-compacting high-performance concrete[C].High-strength andHigh-performanceConcrete and itsApplication(Proceedings of theThirdConference onHighPerformanceConcrete),1998.115-121.(inChinese)
[11]郑建岚,黄鹏飞.自密实高性能混凝土框架结构抗震性能试验研究[J].地震工程与工程振动,2001,21(3):79-84.ZhengJianlan,HuangPengfei.Experimental study of aseismic behavior of self-compacting concrete frame structures[J].EarthquakeEngineeringAndEngineeringVibrations,2001,21(3):79-84.(inChinese)
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