掺磷渣粉与粉煤灰碾压混凝土性能研究  

Study on properties of RCC with phosphorous slag and fly ash

作　　者：张建峰[1] 杨华全[1] 王迎春[1] 董维佳[1] 

机构地区：[1]长江水利委员会长江科学院,水利部水工程安全与病害防治工程技术研究中心,湖北武汉430010

出　　处：《混凝土》2010年第6期74-76,共3页Concrete

基　　金：长江科学院中央级公益科研(CKSF2010013;YWF200813);水利部公益性行业科研专项经费项目(200901066);国家自然科学基金重点项目(50539010)

摘　　要：对掺磷渣粉和粉煤灰碾压混凝土进行了试验,对掺磷渣粉碾压混凝土的水化机理进行了分析。结果表明:与掺粉煤灰碾压混凝土相比,掺磷渣粉碾压混凝土具有早期强度低后期强度高、极限拉伸值高和线膨胀系数小等特点;对比掺粉煤灰碾压混凝土,掺磷渣碾压混凝土的早期抗裂能力较低,但随着龄期的增长,其后期的抗裂能力明显比掺粉煤灰碾压混凝土的抗裂能力高。最后对磷渣粉的水化机理进行了分析。The RCC with phosphorous slag and fly ash is tested,the results shows that,compared with RCC added fly ash,the RCC with phosphorous slag had low early strength and high latter strength,while the ultimate tensile was high and the linear expansion coefficient was small.Contrasted to RCC with fly ash,the early crack resistance of RCC with phosphorous slag is comparatively low,but with the age increasing,the late crack resistance is significantly higher than the crack resistance of RCC with fly ash.Finally,the hydration mechanism of phosphorous slag is analyzed.

关 键 词：磷渣粉 粉煤灰 碾压混凝土 性能 机理分析 

分 类 号：TU528.041[建筑科学—建筑技术科学]