EXPERIMENTAL STUDY ON SEISMIC PERFORMANCE OF ULTRA TOUGHNESS CONCRETE BEAM WITH DIFFERENT YIELD POINTS STEELS UNDER LOW REVERSED CYCLIC LOADING
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摘要: 为改善普通钢筋混凝土梁的抗震性能,提出一种由超韧性混凝土和不同屈服点金属构成的不同屈服点钢筋混凝土梁。基于对不同屈服点钢筋混凝土梁和普通钢筋混凝土梁的低周反复荷载对比试验,对其裂缝发展、破坏形态、滞回曲线、骨架曲线、耗能能力、延性等抗震性能进行系统研究。研究表明,不同屈服点钢筋混凝土梁具有较好的抗震性能。Abstract: It was put forward a new type of beam consisting of ultra toughness concrete,high strength steels and low yield point steels to improve seismic performance of normal RC beams.Based on contrast experiments of ultra toughness concrete beam with different yield poins steels and a normal RC beam under low reversed cyclic loading,crack propagation,failure pattern,hysteresis curves,framework curve,energy dissipation,ductility,etc.were studied systematically.The studies showed that ultra toughness concrete beam with different yield poins steels had better seismic performance.
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Key words:
- low yield point /
- ultra toughness concrete /
- seismic performance /
- ductility /
- energy dissipation
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蓝宗建.混凝土结构与砌体结构[M].南京:东南大学出版社,2003:44-46. [2] Li V C,Leung C K Y.Steady State and Multiple Cracking of Short Random Fiber Composites[J].Journal of Engineering Mechanics,ASCE,1992,188(11):2246-2264. [3] Li V C,Wang S,Wu C.Tensile Strain-Hardening Behavior of PVA-ECC[J].ACI Mater J,2001,98(6):483492. [4] 徐世烺,李贺东.超高韧性水泥基复合材料直接拉伸试验研究[J].土木工程学报,2009,42(9):32-41. [5] 韩军,刘平.高延性混凝土轴心抗拉试验研究[J].水利与建筑工程学报,2009,7(4):29-31. [6] 张秀芳,徐世烺,侯利军.采用超高韧性水泥基复合材料提高钢筋混凝土梁弯曲抗裂性能研究(I):试验研究[J].土木工程学报,2009,42(10):53-66. [7] Li V C.On Engineered Cementitious Composites(ECC):A Review of the Material and Its Applications[J].Adv Concr Technol,2003,1(3):215-230. [8] JCI-DFRCC Committee.DFRCC Terminology and Application Concepts[J].Journal of Advanced Concrete Technology,2003,1(3):335-340. [9] 万泽青,刘平.低屈服点钢在结构耗能减震中的应用[J].钢结构,2010,25(2):35-38. [10] Whittaker A S,Bertero V V,Thompson C L,et al.Seismic Testing of Steel Plate Energy Dissipation Devices[J].Earthquake Spectra,1991,7(4):563-604. [11] Tsai K C,Chen H W,Hong C P,et al.Design of Steel Triangular Plate Energy Absorbers for Seismic-Resistant Construction[J].Earthquake Spectra,1993,9(3):505-528. 期刊类型引用(5)
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