Calculation of crack stress density of cement base materials

Author: Chun-e Sui  

Publisher: Edp Sciences

E-ISSN: 2267-1242|38|issue|03058-03058

ISSN: 2267-1242

Source: E3S Web of conferences, Vol.38, Iss.issue, 2018-06, pp. : 03058-03058

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Abstract

In this paper, the fracture load of cement paste with different water cement ratio, different mineral admixtures, including fly ash, silica fume and slag, is obtained through experiments. the three-dimensional fracture surface is reconstructed and the three-dimensional effective area of the fracture surface is calculated. the effective fracture stress density of different cement paste is obtained. The results show that the polynomial function can accurately describe the relationship between the three-dimensional total area and the tensile strength