典型文献
The ITZ microstructure,thickness,porosity and its relation with compressive and flexural strength of cement mortar;influence of cement fineness and water/cement ratio
文献摘要:
A new insight into the interfacial transition zone(ITZ)in cement mortar specimens(CMSs)that is influenced by cement fineness is reported.The importance of cement fineness in ITZ characterizations such as morphology and thickness is elucidated by backscattered electron images and by consequences to the compressive(Fc)and flexural strength(Ff),and porosity at various water/cement ratios.The findings indicate that by increasing the cement fineness the calcium silicate hydrate formation in the ITZ is favored and that this can refine the pore structures and create a denser and more homogeneous microstructure.By increasing cement fineness by about 25%of,the ITZ thickness of CMSs was reduced by about 30%and Fc was increased by 7%-52%and Ff by 19%-40%.These findings illustrate that the influence of ITZ features on the mechanical strength of CMSs is mostly related to the cement fineness and ITZ microstructure.
文献关键词:
中图分类号:
作者姓名:
Tahereh KOROUZHDEH;Hamid ESKANDARI-NADDAF;Ramin KAZEMI
作者机构:
Department of Civil Engineering,Hakim Sabzevari University,Sabzevar 9617976487,Iran
文献出处:
引用格式:
[1]Tahereh KOROUZHDEH;Hamid ESKANDARI-NADDAF;Ramin KAZEMI-.The ITZ microstructure,thickness,porosity and its relation with compressive and flexural strength of cement mortar;influence of cement fineness and water/cement ratio)[J].结构与土木工程前沿,2022(02):191-201
A类:
fineness
B类:
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AB值:
0.436492
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