Water distribution modelling of capillary absorption in cementitious materials
Artikel i vetenskaplig tidskrift, 2019

In this paper, a novel capillary absorption model is proposed to investigate the capillary absorption process of cementitious materials. This model mainly consider the influence of tortuosity of the capillary pores of cement paste, which is the key factor affecting the capillary absorption process. The proposed model is verified by the capillary absorption process of paste samples with different water/cement ratios. The absorption height and water content profile of testing samples are measured by X-ray computed tomography. The results show that the proposed capillary absorption model that takes the tortuosity of capillary pores into consideration is suitable for investigating the capillary absorption process of water in cementitious materials.

X-ray computed tomography

Capillary absorption process

Novel capillary absorption model

Capillary pore tortuosity

Cementitious materials


Jianchao Zhang

China Earthquake Administration

Shenzhen University

Shuxian Hong

Shenzhen University

Biqin Dong

Shenzhen University

Luping Tang

Chalmers, Arkitektur och samhällsbyggnadsteknik, Byggnadsteknologi

Shenzhen University

Chen Lin

Shenzhen University

Zhichao Liu

Shenzhen University

Feng Xing

China Earthquake Administration

Construction and Building Materials

0950-0618 (ISSN)

Vol. 216 468-475




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