钢渣—矿渣基胶凝材料特性研究
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摘要
以钢渣和矿渣为主要原料,以水泥为碱性激发剂,以盐石膏为氯盐和硫酸盐复合激发剂,制备钢渣—矿渣基胶凝材料。实验结果表明,钢渣、矿渣、水泥和盐石膏的配比为40∶50∶5∶5时,其胶凝材料28 d的强度能够达到20.2 MPa。5%的水泥和5%的盐石膏足以激发钢渣—矿渣基胶凝材料。钢渣—矿渣基胶凝材料的抗压强度是随着矿渣含量的增加而增加。这种材料固废利用率95%,可用于强度要求不高的大体积充填工程。
Using steel slag and slag as main raw material,cement as alkali activator,salt gypsum as chloride and sulphate complicated activator,steel slag and slag-based cement were prepared.The results showed that the 28 d compressive strength of steel slag and slag-based cement could reach 20.2 MPa with the mix ratio of 40% steel slag,50% slag,5% cement and 5% salt gypsum.5% cement and 5% salt gypsum were enough to activate steel slag and slag-based cement.The compressive strength of steel slag and slag-based cement were increased with slag content.The solid waste utilization rate of this material was 95%,which can be used in large volume filling projects with low strength requirements.
Using steel slag and slag as main raw material,cement as alkali activator,salt gypsum as chloride and sulphate complicated activator,steel slag and slag-based cement were prepared.The results showed that the 28 d compressive strength of steel slag and slag-based cement could reach 20.2 MPa with the mix ratio of 40% steel slag,50% slag,5% cement and 5% salt gypsum.5% cement and 5% salt gypsum were enough to activate steel slag and slag-based cement.The compressive strength of steel slag and slag-based cement were increased with slag content.The solid waste utilization rate of this material was 95%,which can be used in large volume filling projects with low strength requirements.
引文
[1] 王强.钢渣的胶凝性能及在复合胶凝材料水化硬化过程中的作用[D].北京:清华大学,2010.
[2] 李琳琳,苏兴文.鞍钢钢渣矿渣制备人工鱼礁混凝土复合胶凝材料[J].硅酸盐通报,2012,31(3):117-122.Li Linlin,Su Xingwen.Prepared completed cement of manmade fishery concrete with steel slag and slag in Angang[J].Bulletin of Silicate,2012,31(3):117-122.
[3] 蔡雪军.钢渣免烧砖的试制[J].新型建筑材料,2002,29(5):37-39.Cai Xuejun.Un-calcined brick test with steel slag[J].New Building Materials,2002,29(5):37-39.
[4] 戎天任,包新华,张劲,等.超细钢渣微粉的制备及其对脱硫石膏改性的研究[J].新型建筑材料,2017,44(9):49-51.Rong Tianren,Bao Xinhua,Zhang Jin,et al.Study on super-fine steel slag powder and its properties modified for flue gas desulphurization gypsum[J].New Building Materials,2017,44(9):49-51.
[5] 申春梅,崔艳艳.钢渣—复掺纳米SiO2混凝土与钢筋粘结锚固性能试验研究[J].新型建筑材料,2017,44(7):111-113.Shen Chunmei,Cui Yanyan.Study on the properties test of concrete of steel-slag mixed with nano-SiO2 and reinforcing bar sticking to anchor[J].New Building Materials,2017,44(7):111-113.
[6] 李锡松,杨成军.钢渣机制砂生产工艺及其用于混凝土砌块的研究[J].新型建筑材料,2017,44(8):155-157.Li Xisong,Yang Chengjun.Study on the production process of steel slag sand and used as concrete block[J].New Building Materials,2017,44(8):155-157.
[7] 孙幸福,彭小芹,张广智,等.钢渣用量对碱激发钢渣—矿渣基灌浆材料性能的影响[J].新型建筑材料,2017,44(8):10-13.Sun Xingfu,Peng Xiaoqin,Zhang Guangzhi,et al.The yield of steel slag affected on alkali-stimulated steel slag-slag based grouting materials[J].New Building Materials,2017,44(8):10-13.
[2] 李琳琳,苏兴文.鞍钢钢渣矿渣制备人工鱼礁混凝土复合胶凝材料[J].硅酸盐通报,2012,31(3):117-122.Li Linlin,Su Xingwen.Prepared completed cement of manmade fishery concrete with steel slag and slag in Angang[J].Bulletin of Silicate,2012,31(3):117-122.
[3] 蔡雪军.钢渣免烧砖的试制[J].新型建筑材料,2002,29(5):37-39.Cai Xuejun.Un-calcined brick test with steel slag[J].New Building Materials,2002,29(5):37-39.
[4] 戎天任,包新华,张劲,等.超细钢渣微粉的制备及其对脱硫石膏改性的研究[J].新型建筑材料,2017,44(9):49-51.Rong Tianren,Bao Xinhua,Zhang Jin,et al.Study on super-fine steel slag powder and its properties modified for flue gas desulphurization gypsum[J].New Building Materials,2017,44(9):49-51.
[5] 申春梅,崔艳艳.钢渣—复掺纳米SiO2混凝土与钢筋粘结锚固性能试验研究[J].新型建筑材料,2017,44(7):111-113.Shen Chunmei,Cui Yanyan.Study on the properties test of concrete of steel-slag mixed with nano-SiO2 and reinforcing bar sticking to anchor[J].New Building Materials,2017,44(7):111-113.
[6] 李锡松,杨成军.钢渣机制砂生产工艺及其用于混凝土砌块的研究[J].新型建筑材料,2017,44(8):155-157.Li Xisong,Yang Chengjun.Study on the production process of steel slag sand and used as concrete block[J].New Building Materials,2017,44(8):155-157.
[7] 孙幸福,彭小芹,张广智,等.钢渣用量对碱激发钢渣—矿渣基灌浆材料性能的影响[J].新型建筑材料,2017,44(8):10-13.Sun Xingfu,Peng Xiaoqin,Zhang Guangzhi,et al.The yield of steel slag affected on alkali-stimulated steel slag-slag based grouting materials[J].New Building Materials,2017,44(8):10-13.