填料对硫磺混凝土抗压强度的影响

摘要/Abstract

摘要： 使用优化的工艺,分别单掺水泥、粉煤灰、矿渣三种活性填料制备硫磺混凝土试样,研究了填料的种类和掺量对硫磺混凝土抗压强度的影响;使用X射线衍射、扫描电镜对填料与硫磺混合物的物相、微观形貌进行表征。结果表明:水泥填料对硫磺混凝土抗压性能有最好的增强效果,掺入与硫磺质量相同的水泥填料(即S/F=1.0)时,制备的硫磺混凝土抗压强度达87.2 MPa;填料与硫磺不发生化学反应,是以物理方式粘结于硫磺基体。

关键词: 硫磺混凝土, 填料, 改性硫磺, 抗压强度, 微观形貌

Abstract: The optimized molding method was used to prepare the sulfur concrete samples by mixing fillers of cement, fly ash and slag, separately, and the effects of the type and content of fillers on the compressive strength of sulfur concrete were studied. The phase and micro morphology of filler and sulfur mixture were characterized by X-ray diffraction and scanning electron microscope. The results show that the cement filler has the best effect on the compressive performance of sulfur concrete, and the compressive strength is 87.2 MPa by adding cement filler with the same quality as sulfur (S/F=1.0). There is no chemical reaction between filler and sulfur, and the filler is physically bonded to the sulfur matrix.

Key words: sulfur concrete, filler, modified sulfur, compressive strength, micromorphology

中图分类号:

TU528.41

林文伟, 费帆, 李群杰, 欧阳东. 填料对硫磺混凝土抗压强度的影响[J]. 硅酸盐通报, 2021, 40(9): 3012-3021.

LIN Wenwei, FEI Fan, LI Qunjie, OUYANG Dong. Effects of Fillers on Compressive Strength of Sulfur Concrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(9): 3012-3021.

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