Modelling of autogenous healing in ultra high performance concrete

Hilloulin, Benoît; Grondin, Frédéric; Matallah, Mohammed; Loukili, Ahmed

doi:10.1016/j.cemconres.2014.04.003

Cited by 42 publications

(19 citation statements)

References 23 publications

(37 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Compared with experimental methods, numerical simulation seems more convenient and low‐cost, although the accuracy is sacrificed through idealizing the real self‐healing behavior and the complex properties of cementitious materials . Nevertheless, numerical analysis is a valuable technique to investigate self‐healing mechanics with parametric analysis, if there are improvements in assumptions of the nonuniform and multiaxial load conditions and consideration of the inconsistency between the capsules and cement matrix . Associating with self‐healing process, the simulation researches mainly involve initiation of self‐healing action, flow of healing agent and required quantity of capsules and healing agent.…”

Section: Encapsulation‐based Self‐healing Concretementioning

confidence: 99%

A review study on encapsulation‐based self‐healing for cementitious materials

Xue

et al. 2018

Structural Concrete

View full text Add to dashboard Cite

Inspired by the self-repair polymeric materials, most of healing agents in encapsulation-based self-healing concrete are FIGURE 1 Self-healing schematic concept for cementitious materials 10 : (a) crack forming; (b) healing agent releasing; (c) polymerization with catalysts FIGURE 2 Configuration of encapsulation-based self-healing concrete 61 : (a) crack breaking capsule; (b) healing agent filling; (c) healing agent curing XUE ET AL.

show abstract

Section: Encapsulation‐based Self‐healing Concretementioning

confidence: 99%

A review study on encapsulation‐based self‐healing for cementitious materials

Xue

et al. 2018

Structural Concrete

View full text Add to dashboard Cite

show abstract

“…French Academy of Science discovered the self-healing theory in 1836. They found that calcium carbonate results from cement hydration on exposure to atmosphere that concerns the autogenous self-healing mechanism [1,2]. This is due to hydration of cement or carbonation of calcium hydroxide [3].…”

Section: Introductionmentioning

confidence: 99%

Continuum Damage-Healing and Super Healing Mechanics in Brittle Materials: A State-of-the-Art Review

Oucif

Mauludin

2018

Applied Sciences

View full text Add to dashboard Cite

Over the last several years, self-healing materials have become more and more popular in terms of damage reparation. Moreover, a recent theoretical investigation of super healing materials that aims at repairing and strengthening itself was also developed. This research area is well known by the rich experimental studies compared to the numerical investigations. This paper provides a review of the literature of continuum damage-healing and super healing mechanics of brittle materials based on continuum damage and healing mechanics. This review includes various damage-healing models, methodologies, hypotheses and advances in continuum damage and healing mechanics. The anisotropic formulations of damage and healing mechanics are also highlighted. The objective of this paper is also to review the super healing theory based on continuum damage-healing mechanics and its role in material and structure strengthening. Finally, a conclusion of the reviewed damage-healing models is pointed out and future perspectives are given.

show abstract

“…Self-healing concrete could thus provide a means to achieving sizable savings by decreasing both the direct and indirect costs caused by repair works [1,2]. Selfhealing can occur naturally, without any particular additive, under favorable conditions with the continuous or periodic presence of water [3], by either a local reactivation of hydration [4][5][6] or the formation of healing products arising from reaction with the environment (mainly calcium carbonate from calcium in the concrete and carbonate ions contained in water) [7,8]. Some studies have reported the predominance of the precipitation phenomenon in ordinary concrete with a water-to-cement (w/c) ratio of around 0.4-0.5 [8,9].…”

Section: Introductionmentioning

confidence: 99%

Monitoring of autogenous crack healing in cementitious materials by the nonlinear modulation of ultrasonic coda waves, 3D microscopy and X-ray microtomography

Hilloulin

Legland²,

Lys

et al. 2016

Construction and Building Materials

View full text Add to dashboard Cite

In this work the non-destructive monitoring of the self-healing progress of cracked mortars is presented through the use of three combined methods: nonlinear Coda Wave Interferometry, 3D microscopy and X-ray computed microtomography (CT). The aim of the acoustic method is to compare, at various healing stages, both the ultrasonic velocity variations and decorrelation coefficients between a reference coda signal and a signal perturbed by a high level lower-frequency elastic wave. The decrease in the relativevariation of the extracted nonlinearities demonstrates its ability to accurately monitor global crack filling.3D microscopy also reveals this capability. Measurement results of these two techniques agree for the influence of age at cracking on healing potential. In reducing the voxel size to 12 l m, X-ray CT images confirm the creation of localized bridges between crack faces and provide information on their location

show abstract

Modelling of autogenous healing in ultra high performance concrete

Cited by 42 publications

References 23 publications

A review study on encapsulation‐based self‐healing for cementitious materials

A review study on encapsulation‐based self‐healing for cementitious materials

Continuum Damage-Healing and Super Healing Mechanics in Brittle Materials: A State-of-the-Art Review

Monitoring of autogenous crack healing in cementitious materials by the nonlinear modulation of ultrasonic coda waves, 3D microscopy and X-ray microtomography

Contact Info

Product

Resources

About