CAJ | 학술논문

对磷渣粉的化学成分、微观结构和形貌特征,以及磷渣粉和粉煤灰作为掺和料对胶凝材料及水工混凝土性能影响进行了试验研究.结果表明:掺磷渣粉的混凝土绝热温升显著降低,混凝土拌和物有一定程度的缓凝,有利于大体积混凝土的施工、温控和防裂;磷渣粉可提高混凝土后期强度增长率和极限拉伸值,对混凝土的抗渗、抗冻性能无不利影响;磷渣粉可部分或全部替代粉煤灰在水工混凝土中大量应用.
대린사분적화학성분、미관결구화형모특정,이급린사분화분매회작위참화료대효응재료급수공혼응토성능영향진행료시험연구.결과표명:참린사분적혼응토절열온승현저강저,혼응토반화물유일정정도적완응,유리우대체적혼응토적시공、온공화방렬;린사분가제고혼응토후기강도증장솔화겁한랍신치,대혼응토적항삼、항동성능무불리영향;린사분가부분혹전부체대분매회재수공혼응토중대량응용.
Chemical composition, microstructure and morphologic feature of phosphorus slag powder, the effects of phosphorus slag powder and fly ash as admixtures on hydration heat and strength of cementitious materials, and mechanics, thermology, deformation and durability performances of hydraulic concrete were completely researched and analyzed. The results show that: phosphorus slag powder can reduce adiabatic temperature rise of concrete, which is beneficial to the construction, temperature control and anti-crack of mass concrete; compared with concrete mixed with fly ash, concrete mixed with phosphorus slag powder has a higher strength growing rate in late age, and higher ultimate tension; phosphorus slag powder has no adverse effect on the performances of impermeability and frost resistance of concrete. Phosphorus slag powder can replace fly ash partially or completely for application in quantity in concrete.