... to develop a probabilistic model to assess the service life of RC beam subjected to chloride-induced corrosion attack. Concrete block specimens containing steel bars are prepared and subjected to accelerated corrosion test. As the corrosion-induced mass loss of steel bars reaches different levels ranging...

...; however, the largest cause of concrete deterioration is due to corrosion of reinforcing steel. Steel is thermodynamically unstable and will eventually oxidize to a lower energy state. The rate of deterioration in existing structures can be modeled to predict the service life of a given structure based...

... or extremely aggressive according to the FDOT Structures Design Guidelines. Each classification requires prerequisites regarding concrete composition and concrete cover. The limitation of this durability design approach is that the actual achievable service life remains unknown. However, full-probabilistic...

... presented in this manner rather than using typical statistical descriptors. Abstract Service life estimates present the stakeholders with invaluable information that influences their decisions during the planning phase of a project. However, most service life estimates are a single, deterministic value...

... end. A comparison with the traditional PIT approach was also examined. chloride corrosion threshold potential modeling forecast reinforced concrete service life BACKGROUND AND INTRODUCTION When modeling the durability of reinforced concrete structures, usually the corrosion initiation...

...mothballing long term preservation environment corrosion dehumidification inhibitor protection efficiency service life storage transportation oil gas offshore In today’s business environment, a company needs to be able to react quickly to the dynamic environment in which they exist...

... and application conditions often exclude the possibility of using existing corrosion protection technologies such as coatings or cathodic protection to achieve the desired tank efficiency and service life. For example: Coatings have an unpredictable service life or cannot be applied. Their efficiency cannot...

...Estimating the remaining service life of corrosion-affected reinforced concrete (RC) structures is required by asset owners and practicing engineers for repair and maintenance planning. Corrosion durability of RC structures exposed to chloride-containing environments is measured by the length...

...environment corrosion inhibitor protection efficiency service life storage transportation application MULTIPHASE PROTECTION The typical application area for this type of protection would be the interior surfaces of an enclosure with an aqueous layer. In this case, corrosion protection...

... approximately described by a threshold value in the order of 0.5% by weight of cement at E=-100 mV (SCE), with a negative slope provisionally in the order of ~550 mV per decade of chloride content. potential chloride corrosion threshold service life potential steel INTRODUCTION Reinforced concrete...

..., estimating the corrosion rate and remaining service life of the piles, and developing maintenance and repair options over the desired service life of the tunnel. The investigation also included an evaluation of the compressive strength of the concrete cores removed from the exterior walls and roof beams...

... cover and chloride concentrations was adapted to predict the remaining service life of these structures. The main goals of this investigation were to obtain long-term corrosion performance data for epoxy-coated bar and to predict service life of epoxy-coated bar in marine applications based on up...

... of the range of material performance as a function of key application variables to better predict coating performance. Reliance on the average performance observations may not result in a satisfactory life prediction. Coating Service Life DoD Prediction Monte Carlo INTRODUCTION www.elzly.com The random...

... coating flake lining service life INTRODUCTION By reason of the sulfur contained in hard coal, lignite and heavy oil, sulfur dioxide is produced during the combustion process of these fuels in electric power plants. It is common practice to install a plant for the purpose of reducing the extent...

...reinforcement corrosion concrete cracking mass loss corrosion rate service life (2) Δ M m = π ( r 0 2 − r f 2 ) ⋅ l ⋅ ρ m or r f 2 = r 0 2 − Δ M m π ⋅ l ⋅ ρ m (3) Δ V m = π ( r 0 2 − r f 2 ) ⋅ l (4) Δ...

...Evaluation of this stress using one of the methods mentioned above (Subsection NH, Code Case N-253, etc.) can provide a reasonable estimate of the expected service life. Recognizing that this evaluation is not as accurate as typical structural integrity calculations, the designer can adjust...

...Historical In the post World War I period most aircraft structures were made of fabric with wood as major structural material, and adhesive, twine and pegs as joining compounds or components. ⁸ The service life of such aircraft did not last more than a few hundred-flight hours...

... the necessary circuit to provide electro-osmotic treatment of the concrete. Abstract Existing corrosion protection methods (epoxy and zinc coatings, cathodic protection, stainless steel) for reinforced concrete structures are efficient, but in most cases are very expensive or have a short service life...

...Abstract This paper describes the efficiency and service life of different VCI compositions and their combinations with desiccants. Some of the methods used to increase the efficiency and service life of corrosion prevention are discussed. Diagrams are shown which demonstrate the relationship...

... and decrease the cost of corrosion protection. corrosion coatings cathodic protection service life and reinforced concrete INTRODUCTION Rebar in reinforced concrete structures in most cases produced from mild steel, which has a low corrosion resistance. The current method to provide cathodic protection...