碳纤维增强水泥(CFRC)材料具有压敏性.考虑到受力情况不同,试样的变形不同,CFRC的压敏性也会有所不同.本文研究了碳纤维增强水泥试块在四周受约束情况下的压敏效应,并与单向受压情况下的压敏性进行比较.实验结果表明:CFRC材料在两种受压情况下电参数随压力的变化趋势相同;但在准三向受压情况下的压敏灵敏性有所降低,线性却更好.
参考文献
| [1] | Chen Puwei;Chung D D L.Carbon fiber reinforced concrete for smart structures capable of non-destructive flow detection[J].Smart Materials and Structures,1993(02):22-30. |
| [2] | Chen PW.;Chung DDL. .CARBON-FIBER-REINFORCED CONCRETE AS AN INTRINSICALLY SMART CONCRETE FOR DAMAGE ASSESSMENT DURING DYNAMIC LOADING[J].Journal of the American Ceramic Society,1995(3):816-818. |
| [3] | Fu Xuli;Chung D D L .Self-monitoring of fatigue damage in carbon fiber reinforced cement[J].Cement and Concrete Research,1996,26(01):15-20. |
| [4] | 毛起炤;赵斌元;沈大荣 等.水泥基碳纤维复合材料压敏性的研究[J].复合材料学报,1996,13(04):8-11. |
| [5] | 毛起炤;杨元霞;沈大荣 等.碳纤维增强水泥压敏性影响因素的研究[J].硅酸盐学报,1997,25(06):734-737. |
| [6] | Mao Qizhao;Chen Pinhua;Zhao Binyuan.A study on the compression sensibility and mechanical model of carbon fiber reinforced cement smart material[J].Acta Mechanica Solida Sinica,1997(10):338-344. |
| [7] | 郑立霞,宋显辉,李卓球,王建军.碳纤维增强水泥在受压时的电容测量[J].混凝土,2003(03):25-26,9. |
| [8] | 王从曾.材料性能学[M].北京:北京工业大学出版社,2001:227. |
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