摘要
西部地区盐浸侵蚀严重,是混凝土建筑物老化病害的主要问题之一。锂渣粉是新疆规模化的固体工业废弃物,将其作为矿物掺合料使用一方面可以减少其排放和堆存量,另一方面锂渣粉也能有效改善水泥混凝土的抗硫酸盐侵蚀性能。试验中采用GB/T 749—2008《水泥抗硫酸盐侵蚀试验方法》进行,通过测试分析不同掺量锂渣粉对水泥基材料潜在膨胀性能和抗硫酸盐侵蚀性能的变化,并根据X衍射和扫描电镜分析,研究锂渣粉对水泥基材料抗硫酸盐侵蚀性能的影响和机理。
Deterioration of concrete by sulfates of an external source is a commonly observed durability problem in the western region.Lithium slag powders is solid wastes in xinjiang,the cement materials with lithium slag powders as the mineral admixture can reduce pollution of the solid wastes;on the other hand,and lithium slag powder also can effectively improve the sulfate corrosion resistance of cement materials.This experiment was carried out according to the national standard GB/T 749—2008,the change of potential inflation and the sulfate corrosion resistance of cement materials was measured and analyzed,the X-ray diffraction and scanning electron microscopy（SEM） were used to investigate its influence on the sulfate corrosion resistance of cement materials.
出处
《混凝土》
CAS
CSCD
北大核心
2010年第12期90-92,共3页
Concrete
基金
国家自然科学基金(50868012)
新疆大学青年教师科研启动基金(QN070132)
关键词
锂渣粉
抗硫酸盐侵蚀性能
X衍射
扫描电镜
lithium slag powders
sulfate corrosion resistance
X-ray diffraction
SEM
