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RISCorrosion Performance of Steel Reinforcement in Self-Compacting Concrete Exposed to Combined Sodium Chloride-Magnesium Sulfate Exposure Solution
Publisher: ASCE
Abstract: This study investigates the effect of binder type, w/b ratio, and exposure solution on the corrosion performance of steel reinforcement in self-compacting concrete (SCC). Prismatic specimens made from SCC were subjected ...
Effect of Magnesium Sulfate in Chloride Solution on Variation in Microstructure, Chloride Diffusion, and Chloride-Binding Behavior of Concrete
Publisher: American Society of Civil Engineers
Abstract: In this study, variation in microstructure, diffusion of chloride (Cl−) ions, and binding of chloride in concrete exposed to solutions containing MgSO4 (MS) in NaCl (NC) under the wetting-drying cycle are analyzed and ...
Half-Cell Potential as an Indicator of Chloride-Induced Rebar Corrosion Initiation in RC
Publisher: American Society of Civil Engineers
Abstract: The results of an experimental study conducted on specimens similar to ASTM G109 made with different types of cement and steel, and varying water/cement (w/c) ratios are reported in this paper. A portion of the top surface ...
Role of Chloride Ion and Cation Type Accompanied by Sulfate Ion on Durability Performance of Concrete in Conjoint Chloride–Sulfate Environment
Publisher: ASCE
Abstract: This work assessed the durability performance of concrete made with ordinary portland cement (OPC), portland pozzolana cement (PPC), OPC +20% fly ash, and OPC +30% fly ash subjected to sulfate-only and to conjoint ...
Impact of Cation Type of Chloride Salts on Diffusion Behavior and Binding Capacity of Chloride Ions in Concrete Containing Sodium Nitrite and Disodium Hydrogen Phosphate
Publisher: ASCE
Abstract: Chloride diffusion in concrete induces depassivation of steel reinforcement, which can jeopardize the service life of concrete structures subjected to aggressive environments. This paper investigates the effect of a cation ...
Effect of Source Materials and Sand-to-Binder Ratio on Durability Performance and Microstructural Changes of Geopolymer Mortar Subjected to Sulfate and Acid Environment
Publisher: ASCE
Abstract: This study investigated the durability performance and microstructural changes of fly ash–ground granulated blast furnace slag (GGBS)-based geopolymer mortar (GPM) made with different sand-to-binder (S/B) ratios and subjected ...
Effect of Sodium Nitrite as Corrosion Inhibitor against Chloride-Induced Corrosion of Steel Rebar in Geopolymer Concrete Containing Fly Ash and GGBS
Publisher: ASCE
Abstract: This study investigated the effectiveness of sodium nitrite (NaNO2) as a corrosion inhibitor against chloride-induced steel rebar corrosion in fly ash–ground granulated blast furnace slag (GGBS)–based geopolymer concrete ...