聚丙烯纤维半刚性基层材料弯曲韧性试验研究_马银华.pdfVIP

第 26 卷 第 4期 重 庆 交通 大学 学 报 ( 自然 科学 版 ) V ol. 26 N o. 4 2007 年 8 月 JOU RNAL OF CHONGQ ING J IAOTONG UN IV ERS ITY ( NATURAL SCIENCE) A ug. 2007 . 1 2 1 2 2 马银华 张 广 易志坚 仲玉善 韩八晓 ( 1. 400074; 2. 0 10020) : 4 - ; ( JC I) ( A STM C 1018) 97) . . : ; ; ; ; ; : U 416. 2 14 : A : 100 1- 716X ( 2007) 04- 0057- 03 ExperimentalResearch on FlexuralToughness of Sem-i rigid Base M ixed intoPolypropyleneFiber 1 2 1 2 2 MA Y in-hua ZHANG Gu ang Y I Zh -i jian ZHONG Yu-sh an HAN B a-x iao ( 1. Schoo l o f C iv il Eng ineer ing A rchitecture Chongqing J iaotong U n iversity Chongq ing 4 00074 Ch ina; 2. Inner M ongo lia Con stru ction and M anagem ent O ff ice of Interprov incia l R outew ay Inner M ongo lia H ohhot 010020 Ch ina) Abstract: By the four-po int flexura l test the lo ad-de flection curves of sem -i rig id b ase m ixed into low po lypropy lene f iber and p la in b ase w ere go t and the flexural intens ity and deform a tion p erform ance in v irtue of them w ere ana lyzed. A ccord ing to the standard m easu res o f JCI and A STM C 1018-97 the toughness index w as ca lcu lated sep arate ly. T oughness va lu ation show s tha t the sem i-r ig id b ase m ixed into low po lypropy lene fibe r is ch arac terized by su stained load deform a tion pe rfo rm ance and d istinct advantage over plain b ase in toughness and ant-i crack p erform ance. ey words: po lypropy lene f iber; sem i- rig id base; cem ent stab ilized grave l b ase; cem ent stab ilized m acadam b ase; toughness index; ant-i crack p erform ance . . .