Penetration of corrosion products and corrosion-induced cracking in reinforced cementitious materials: Experimental investigations and numerical simulations

Michel, Alexander; Pease, Bradley Justin; Peterová, Adéla; Geiker, Mette Rica; Stang, Henrik; Thybo, Anna Emilie A.

doi:10.1016/j.cemconcomp.2013.04.011

Cited by 108 publications

(74 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The pores near corroding steel bars act as storehouses, hence delaying stress build-up that leads to cracking of concrete cover (Liu and Weyers 1998;Pantazopoulou and Papoulia 2001;Alonso et al 1998). The migration of corrosion products to micro-pores around reinforcing bars (Michel et al 2014) and migration to cracks (Wong et al 2010;Takaya et al 2012) has been confirmed experimentally. Recent approaches for predicting time to initial cover cracking have incorporated 'porous zone' (Liu and Weyers 1998;Val et al 2009) or 'corrosion accommodating region' (Michel et al 2014) to account for the time needed for corrosion products to fill the porous cement paste around reinforcing bars.…”

Section: Introductionmentioning

confidence: 73%

“…A number of empirical Oh et al 2009) and analytical (Liu and Weyers 1998;Michel et al 2014;Bazant 1979;Val et al 2009) approaches have been proposed to model corrosion induced crack initiation and propagation in RC. The process of corrosion involves soluble species that can dissolve in the concrete pore solution and subsequently migrate or diffuse through the cement paste matrix away from the corroding steel (Sagoe-Crentsil and Glasser 1989).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Nonlinear Gel Migration in Cracked Concrete and Broken Symmetry of Corrosion Profiles

Gebreyouhannes

Maekawa

2016

ACT

View full text Add to dashboard Cite

The initiation and subsequent propagation of corrosion-induced cracks is simulated by multi-phase mechanics where the coupled corrosion gel migration and crack-based fracture can be coherently taken into consideration. A key focus is given to the nature of corrosion products and their dependency on the corrosion rate and the anisotropic stiffness and permeability caused by cracking. Migration of corrosion gel to both micro-pores of cementitious composites and crack gaps are explicitly considered under the gradient of gel pressure, which is newly defined on the corrosion gel phase. The effects of cover depth, corrosion rate and the mix-proportion of concrete on the crack initiation and propagation are discussed with experimental facts. The broken symmetry of corrosion profile around reinforcing bars is successfully simulated as a nature even though the geometry of analysis domains would be in perfect symmetry. This scheme which allows kinematics of produced gel is indispensable for a versatile framework of durability mechanics.

show abstract

Section: Introductionmentioning

confidence: 73%

Section: Introductionmentioning

confidence: 99%

Nonlinear Gel Migration in Cracked Concrete and Broken Symmetry of Corrosion Profiles

Gebreyouhannes

Maekawa

2016

ACT

View full text Add to dashboard Cite

show abstract

“…Ingress of chlorides or specific and unique destroyers in to concrete is the main reason of deterioration of concrete structures in many parts of the world [52]. Chloride ions originated from different sources as contaminated materials, soils, de-icing salts and exposure to sea water.…”

Section: Figure 13 Schematic Plan Of the Test Setup Of The Acceleratmentioning

confidence: 99%

Experimental Evaluation of Eco-friendly Light Weight Concrete with Optimal Level of Rice Husk Ash Replacement

et al. 2017

View full text Add to dashboard Cite

Concrete is a versatile and cost-effective building material whose properties are influenced by age, curing condition, and installation. A number of studies deduced that there should be an association of benefits encouraged the use of partial replacements of cement seems to improve strength and durability properties of concrete. This paper presents a framework for feasibility assessment and determination of optimum percentage of rice husk ash (RHA) replacement. Five mix plans with RHA replacing ratio of 0-20% and constant micro-silica value by 10% were prepared. Tests results indicated that compressive strength increased by 20% with an increase in RHA up to 15%. The similar trend was observed in mix designs made of cement replaced by RHA up to 20% in water absorption coefficient measurement. Higher chloride ion penetration was observed in mix designs containing 25% RHA compared to that of conventional concrete. Mixes developed a slightly higher impact resistance than the control mix.

show abstract

“…With the continuous progress of material science, smart concrete provides a new and effective method to solve this problem. From the 1980s till now, many special functions of smart concrete are derived, including self-test, self-adjustment, self-cleaning, and self-healing [2][3][4][5]. The concrete added with new intelligent materials can effectively control crack expansion and even cause cracks to close, so as to improve the service life of the concrete.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Analysis for the Crack Control of SMA Smart Concrete Beam Based on a Bidirectional B-Spline QR Method

et al. 2018

Mathematical Problems in Engineering

View full text Add to dashboard Cite

A bidirectional B-spline QR method (BB-sQRM) for the study on the crack control of the reinforced concrete (RC) beam embedded with shape memory alloy (SMA) wires is presented. In the proposed method, the discretization is performed with a set of spline nodes in two directions of the plane model, and structural displacement fields are constructed by the linear combination of the products of cubic B-spline interpolation functions. To derive the elastoplastic stiffness equation of the RC beam, an explicit form is utilized to express the elastoplastic constitutive law of concrete materials. The proposed model is compared with the ANSYS model in several numerical examples. The results not only show that the solutions given by the BB-sQRM are very close to those given by the finite element method (FEM) but also prove the high efficiency and low computational cost of the BB-sQRM. Meanwhile, the five parameters, such as depth-span ratio, thickness of concrete cover, reinforcement ratio, prestrain, and eccentricity of SMA wires, are investigated to learn their effects on the crack control. The results show that depth-span ratio of RC beams and prestrain and eccentricity of SMA wires have a significant influence on the control performance of beam cracks.

show abstract

Penetration of corrosion products and corrosion-induced cracking in reinforced cementitious materials: Experimental investigations and numerical simulations

Cited by 108 publications

References 15 publications

Nonlinear Gel Migration in Cracked Concrete and Broken Symmetry of Corrosion Profiles

Nonlinear Gel Migration in Cracked Concrete and Broken Symmetry of Corrosion Profiles

Experimental Evaluation of Eco-friendly Light Weight Concrete with Optimal Level of Rice Husk Ash Replacement

Nonlinear Analysis for the Crack Control of SMA Smart Concrete Beam Based on a Bidirectional B-Spline QR Method

Contact Info

Product

Resources

About