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Browsing 01.NU Schools by Author "Xing, Feng"

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3D particle size distribution of inter-ground Portland limestone/slag cement from 2D observations: Characterization and distribution evaluation

Sun, Hongfang; Fan, Bing; Memon, Shazim Ali; Cen, Zhuo; Gao, Xiaobin; Lin, Bin; Liu, Bing; Li, Dawang; Xing, Feng; Zhang, Xiaogang (Construction and Building Materials, 2017-08-30)

Abstract In this research, the particle size distribution (PSD) of different components in inter-ground Portland limestone cement (PLC) and limestone-slag cement (PLC-S) was characterization by using an electron microscopy ...
Corrosion induced stress field and cracking time of reinforced concrete with initial defects: Analytical modeling and experimental investigation

Zhang, Xiaogang; Li, Minhui; Tang, Luping; Memon, Shazim Ali; Ma, Guojun; Xing, Feng; Sun, Hongfang (Corrosion Science, 2017-05-15)

Abstract This paper presents an analytical model for calculation of corrosion induced stress field and cracking time of concrete cover with initial defects in a reinforced concrete. In the proposed model, two types of ...
Investigating drying behavior of cement mortar through electrochemical impedance spectroscopy analysis

Sun, Hongfang; Ren, Zhili; Memon, Shazim Ali; Zhao, Diandian; Zhang, Xiaogang; Li, Dawang; Xing, Feng (Construction and Building Materials, 2017-03-15)

Abstract In this research, electrochemical impedance measurements were taken on cement mortar with different levels of drying. The impedance spectrum was analyzed with equivalent circuit model, through which the drying ...
Three-dimensional characterization of steel corrosion embedded in cement paste

Sun, Hongfang; Zhao, Diandian; Gu, Yang; Memon, Shazim Ali; Ren, Zhili; Liu, Bing; Zhang, Xiaogang; Xing, Feng; Li, Dawang (Construction and Building Materials, 2017-07-15)

Abstract In this research, a micro X-ray computed tomography (μCT) technique was used to investigate the distribution of steel corrosion embedded in cement paste non-destructively. An electrochemical method was used to ...