The present study describes a theoretical model to simulate the kinetics of calcite precipitation induced in response to the hydrolysis of urea in concrete crack. In addition, a second-order partial differential equation in time and space to model the healing process, rationally based on physic-bio...
De Belie, The efficiency of self-healing concrete using alternative manufacturing procedures and more realistic crack patterns, Cement & Concrete Composites 57 (2015) 142-152.Van Tittelboom, K.; Tsangouri, E.; van Hemelrijck, D.; de Belie, N. The efficiency of self-healing concrete using ...
Ab A type of concrete embedded capsuies w th crack seif-repa r n funct on s systemat caiiy stud ed. F rst of aii,the funct on of d str but on and d rect on of repa r capsuies n concrete s const tuted. Then,the controii n fracture stress of the repa r capsuies s de...
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Tensile stress-crack width law for steel fibre reinforced self- compacting concrete obtained from indirect (splitting) tensile tests. Cem Concr Compos 2015;57:153-165.Abrishambaf, A.; Barros, J.A.O.; Cunha, V.M.C.F. Tensile stress-crack width law for steel fibre reinforced self-compacting...
It was especially of interest to recognize that high fibre amounts tend to change a sudden opening of a crack (as in non-fibrous concrete) into a more stable procedure. It was found that, for a given crack width, the SCSFRC specimens exhibited a noticeably higher tension stiffening than ...
However, such bacteria have been applied manually after the emergence of a crack, which means that regular inspection of the concrete structure is still necessary. Bacteria can be incorporated into the concrete along with calcium lactate and remain viable in a dormant state as spores. When a ...
The objective is to facilitate a beneficial synergetic interaction among these materials to develop highly permeable, crack-resistant concrete. Key findings of this study are: (1) The study unveils the impact of the concentration of three additive materials on the concrete’s compressive strength, ...
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