Search

ABSTRACT This paper presents experimental results on injecting nanoparticles into a hardened oil well cement with electromigration technique. Oil well cement is a special cement type used in underground constructions [...]

ABSTRACT This paper investigates the limitation of oxygen diffusion under high relative humidity condition in comparison to submerged, alternate wetting-drying and air dry conditions and its influence on the corrosion [...]

ABSTRACT For early detection of structural deficiencies due to corrosion, real time damage detection systems are needed to be deployed. With regard to this, present paper explores efficacy of established [...]

ABSTRACT Although extensive research on steel corrosion in concrete has been undertaken it is more on longitudinal reinforcing bars than stirrups as suggested in the review of published literature. The [...]

ABSTRACT In this paper, a kind of novel ethyl cellulose (EC)/calcium hydroxide microcapsule to establish a self-immunity system based on increasing hydroxyl content for the reinforced concrete is proposed. The [...]

ABSTRACT This paper presents a comprehensive probabilistic model for the corrosion initiation of steel reinforcement due to the combined action of carbonation and chloride ingress in reinforced concrete structures. The [...]

ABSTRACT Corrosion of steel bars in concrete structures is initiated as a result of concrete carbonation and/or chloride intrusion, and influenced by their interaction. This paper presents an experimental investigation [...]

ABSTRACT The reinforced concrete (RC) columns infiltrated by chloride ion in marine environment are much vulnerable under seismic loading. In this paper, the hysteretic behaviors of corroded RC columns were [...]

ABSTRACT This paper addresses the prediction of the carbonation-induced corrosion service life of structural lightweight aggregate concrete (SLWAC) by means of a performance-based approach. Abacuses for the prediction of the [...]

ABSTRACT Corrosion of reinforcing steel is the primary deterioration mechanism for reinforced concrete structures, however its impact on structural behaviour can be difficult to assess using visual inspections. This paper [...]

ABSTRACT Arc thermal metal spray coating is very efficient process to protect the steel from corrosion in industrial, humid and saline/coastal environments. This paper incorporates the experimental results for the [...]

ABSTRACT This paper presents experimental results on chloride induced corrosion and related durability properties such as chloride permeability, water sorptivity, chloride diffusion and porosity of ordinary concrete and high volume [...]

ABSTRACT Corrosion of metal inserts may be detrimental to the durability of masonry. The paper discusses corrosion of carbon steel, stainless steel and titanium embedded in aerial and hydraulic mortars [...]

ABSTRACT The purpose of this work was to study the corrosion distribution along a steel bar in beams of sizes typically used in the construction industry and the ratio between [...]

ABSTRACT This paper presents a practice-oriented method for design of flexural concrete members for a given service life in an aggressive environment. A time-dependent correlation between rebar corrosion level in [...]

ABSTRACT The effect of degree of pore saturation (PS) in concrete on corrosion current is investigated in this paper. Results showed that the maximum of corrosion current appeared in the [...]

ABSTRACT This paper reports on the effects of using an organic and an inorganic corrosion inhibitor in self-compacting concrete (SCC). The respective organic and inorganic inhibitors used were of a [...]

ABSTRACT This paper presents the time-dependent probability of chloride-induced corrosion of reinforced concrete (RC) structures in marine environments. By using the third-moment (TM) method with improved analytical solutions, the stochastic [...]

ABSTRACT In this paper we quantified the corrosion rates of active steel in atmospheric environment, cyclic wetting and drying, and active steel and passive steel in saturated concrete. The microstructure [...]

ABSTRACT Pitting corrosion of reinforcement often causes localized concrete cracking in chloride contaminated RC structures. This paper presents a 3-D computational model to examine the localized corrosion of steel rebar [...]

ABSTRACT In this paper, the effects of Mg addition (0, 0.5, 1.5 and 2.5 wt.%) on the microstructure and corrosion resistance of Galvalume coating (Zn-55Al-1.6Si) have been studied. The coating [...]

ABSTRACT In this paper, how the stirrups influence the efficiency of electrochemical chloride removal (ECR) is studied. The chloride removal efficiency was investigated by examining the chloride contents in concrete. [...]

ABSTRACT This paper presents an experimental effort for developing a novel reinforcement corrosion monitoring technique based on Ground Penetrating Radar (GPR). Experiments were carried out to periodically monitor the accelerated [...]

ABSTRACT This paper concerns an inspection of a water supply system, made of AISI 304 steel, which showed signs of local corrosion at the weld. Such corrosion caused material perforation [...]

ABSTRACT Based on microcapsule technology, a new type of self-healing system for concrete materials was created, which mainly focuses on the corrosion protection of steel bars. In this paper, the [...]

ABSTRACT Half cell potential is a widely adopted Non-Destructive Technique in field to evaluate the corrosion of steel in concrete structures qualitatively. If the concrete is exposed to chloride attack, [...]

ABSTRACT This paper presents the reinforcement corrosion process and the results of experiments on a highly corroded beam subjected to a chloride environment for 26 years so as to assess [...]

ABSTRACT Steel corrosion normally takes pitting pattern in chloride contaminated RC structures. This paper examines the localized corrosion rust accumulation process through electrochemical analysis. The coupled micro- and macro-cell corrosion [...]

ABSTRACT Corrosion is a major concern for most structural applications. Its detrimental effect significantly reduces the life of metallic components. This paper presents the results of an experimental investigation of [...]

ABSTRACT This paper examines the effect of macrocell corrosion on the current distribution in cathodic protection. The electrochemical corrosion process involved in typical chloride-induced steel corrosion is numerically simulated by [...]

ABSTRACT This paper reports results of a study conducted to evaluate the releases of bound chlorides from pastes made of ordinary Portland cement alone and a mixture of ordinary Portland [...]

ABSTRACT The paper presents an experimental investigation into the structural performance of concrete beams under simultaneous loading and reinforcement corrosion. Four out of five concrete beams were subjected to an [...]

ABSTRACT The paper aims to investigate the influence of simultaneous loading and reinforcement corrosion on the structural performance of concrete beams. Five reinforced concrete beams were first loaded to 60% [...]

ABSTRACT This paper deals with a glycerophosphate-based corrosion inhibitor (CI) to be applied to the surface of hardened concrete. The effectiveness of such a corrosion inhibitor is guaranteed only if [...]

ABSTRACT This paper presents the results of a study conducted to evaluate the corrosion resistance of self-compacting concrete (SCC) prepared using quarry dust powder (QDP), silica fume (SF) plus QDP [...]

ABSTRACT This paper presents the effect of a surface-applied corrosion inhibitor on the durability of concrete by using capillary water absorption test, chloride penetration test, and accelerated carbonation test. Results [...]

ABSTRACT This paper presents the results of an experimental study on the static tensile and fatigue behavior of corroded reinforcing steel bars. Both natural carbonation-induced and artificially accelerated corrosion were [...]

ABSTRACT High-performance fibre-reinforced cement-based composites (HPFRCCs) have great potential for application in structures exposed to severe mechanical or environmental loading. This paper presents an overview of the current knowledge on [...]

ABSTRACT The paper presents parametric analysis of durability factors of RC highway bridges strengthened with CFRP laminates during their service life. Durability factors considered are concrete cover and CFRP laminate [...]

ABSTRACT This paper presents the results of an investigation on degradation of seismic performance of reinforced concrete (RC) columns damaged by reinforcement corrosion. A total of 13 reinforced concrete circular [...]

ABSTRACT This paper presents the results of a study conducted to evaluate the corrosion protection provided by chemical inhibitors to the fusion bonded epoxy coated (FBEC) steel bars with surface [...]

ABSTRACT Temperature and moisture content are the main factors that influence concrete carbonization, chloride diffusion, and corrosion rate of reinforced bars placed in concrete. Climate variations can induce the variation [...]

ABSTRACT Chloride-induced corrosion in reinforcing steel is one of the major durability problems in reinforced concrete (RC) structures. Fick's 2nd law can be simply applied to submerged RC structures however [...]

ABSTRACT Chloride induced corrosion under coupled environmental effects of high humidity and high temperature often found in gulf marine environment is a very serious threat for durability of reinforced concrete [...]

ABSTRACT An investigation of carbonation in concrete, the pH and chemical composition change of the pore solution in concrete with different degrees of carbonation, was presented. The concrete samples were [...]

ABSTRACT This paper presents the results of an experimental investigation carried out to evaluate the influence of Sporoscarcina pasteurii bacteria on the compressive strength and rapid chloride permeability of concrete [...]

ABSTRACT This paper reviews reaction mechanisms of AgN[O.sub.3], AgN[O.sub.3] + [K.sub.2]Cr[O.sub.4] and AgN[O.sub.3] + fluoresceine colorimetric methods, and their applications for measurement of chloride ion penetration in concrete. Among the [...]

ABSTRACT This paper presents an experimental study investigating the behavior of FRP-reinforced concrete bridge deck slabs under concentrated loads. A total of eight full-scale deck slabs measuring 3000-mm long by [...]

ABSTRACT A review of research literature suggests that steel corrosion in concrete can accelerate if the corroding steel is under high levels of stress but this important phenomenon has not [...]

ABSTRACT In this paper, the effect of reinforcement corrosion and loss of concrete cover on structural behavior of bridge columns is quantified by developing moment-axial load (M-P) interaction diagrams using [...]