胶凝材料对塑性混凝土轴心抗压强度的影响.pdfVIP

学兔兔 2010年第 6期(总第 248期 ) 混 凝 土 原材料及辅助物料 Numb~6 in20l0(TomlNo．248) Concrete MATERIAI，AND ADMINICLE doi：10．3969／j．issn．1002-3550．2010．06．026 胶凝材料对塑性混凝土轴心抗压强度的影响 宋帅奇 1l ，高丹盈 ’。严克兵 ，胡良明’ (1．郑州大学新型建材与结构研究中心，河南 郑州 450002；2．河南城建学院交通_T程系，河南 平顶山467044) 摘 要：通过对9个配合比的试验，研究了胶凝材料(水泥、黏土、膨润土)用量的变化对翅性混凝土轴心抗压强度的影响。结果表明：塑 性混凝土轴心抗压强度随水泥用量增加而增加。随黏土用量增加而减小；水泥用量的影响小于黏土用量的影响；膨润土掺入对强度存在有 利和不利两方面的影响。 关键词：塑性混凝土；轴心抗压强度；影响机理；胶凝材料 中图分类号：TU528．041 文献标志码：A 文章编号： l002—3550(2010)06—0086—03 Influece of the cementitious materials on the strength of plastic concrete SONG Shuai—qi ，GAODan-ying ，YANKe—bing ．HULiang-ming (1．NewMaterial and StructureEngineeringResearchCenterofZhengzhouUniversity，Zhengzhou450002，China 2．Department ofTraffic Engineering Henan University ofUrben Construction，Pingdingshan 467044 China) Abstract： Based on the nine group mix proportions，this paper investigated the impact on the axial compressive strength ofthe plastic concrete and the influence mechanism ofthe content ofthe cementitious materials such as cement，clay and bentonite and influence mechanism ． The results showed that：the axial compressive strength ofplastic concrete increases with the cement content increasing and decrease with the clay content in． creasing；the influence ofthe cement content is more than that ofthe clay content；the add ofthe bentonite has both advafitage and disadvantage in— fluence on strength． Key words：plastic concrete；axial compressive strength；influence mechanism；cementitious materials 0 引言