- 摘 要
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【提要】 通過對不同配合比、不同碳纖維體積含量的混凝土試件進行軸壓試驗,得到碳纖維增強混凝土(CFC)軸向壓縮應(yīng)力應(yīng)變?nèi)^程曲線?;谠囼灲Y(jié)果,提出碳纖維增強混凝土軸向壓縮應(yīng)力應(yīng)變?nèi)€數(shù)學(xué)表達式,希望為碳纖維增強混凝土基本力學(xué)性能進一步研究提供參考。
【關(guān)鍵詞】 碳纖維增強混凝土 本構(gòu)方程 韌性指標(biāo) 全過程分析
Stressstrain Curve of CFC Under Compression/Geng Yaoming1, Liu Wenyan2, Qian Qian3(1 Tongji Architecture Design & Research Institute, Shanghai 200092, China; 2 Department of Civil Engineering, Shanghai Institute of Technology, Shanghai 200235,China; 3 Far East Steel Structure Engineering Co.,Ltd., Shanghai 200051,China)
Abstract:Some carbon fiber concrete specimens with different gradation proportion and dif
ferent volume content of carbon fiber under compression are tested, and complete stressstrain curves of all specimens are listed. An idealized model is put forward, and it can be referred in further physical property research of carbon fiber concrete.
Keywords:carbon fiber concrete;constitutive equations;toughness index;complete analysis
1) 同濟大學(xué)建筑設(shè)計研究院,上海,200092; 2)上海應(yīng)用技術(shù)學(xué)院土建系,200235; 3)上
海華胤鋼結(jié)構(gòu)工程有限公司,200051。