Steel Rebar
Investigating the Corrosion Mechanism of Morinda lucida Leaf Extract Admixtures on Concrete Steel Rebar in Saline/Marine Simulating Environment
... Concrete steel reinforcement (steel rebar) corrodes when the thin passive oxide layer from the highly alkaline, pH > 12, by-product of cement paste hydration, which protects the rebar from ...
14
Investigating Potassium Chromate and Aniline Effect on Concrete Steel Rebar Degradation in Saline and Sulphate Media
... of rebar coatings, corrosion inhibitors, use of admixtures, methods for decreasing permeability, increased concrete cover, cathodic protection and lifetime monitoring of corrosion processes [1, 2, ...for ...
15
A New Inhibitor for Steel Rebar Corrosion in Concrete: Electrochemical and Theoretical Studies
... chemicals that have appreciable saturated vapor pressure under atmospheric conditions. This important property allows the vapor transport of these species by diffusion throughout the pores of the concrete structures to ...
28
Electrochemical Analysis of Passivation Film Formation on Steel Rebar in Concrete
... stainless steel materials [7, ...carbon steel [11, 12] and stainless steel ...the steel rebar was very complicated because many parameters could affect its performance including ...
7
Electrochemical Performance of Sodium Dichromate Partial Replacement Models by Triethanolamine Admixtures on Steel-Rebar Corrosion in Concretes
... reinforcing steel used in the study was obtained from Federated Steel Rolling Mills, Ota, Ogun State, ...deformed rebar has composition in % of: ...The steel rebar were cut into 190mm ...
14
ANTI-CORROSIVE STEEL REBAR COATINGS: AN OVERVIEW
... embedded steel in concrete. This paper presents in brief, the mechanism of steel corrosion in concrete and the state of the art of anti- corrosive steel rebar coatings used so far to protect ...
20
Study the Effect of SiO2 Nanoparticles as Additive on Corrosion Protection of Steel Rebar in Artificial Concrete Solution
... The probability of pitting corrosion occurrences was investigated by cyclic polarization procedure (Ebell et al., 2016; Chauhan and Sharma, 2019; Gu et al., 2018) as mentioned in the experimental part, Fig. 3 shows the ...
6
Electroless Synthesis of Ni-P and Ni-P-Zn Alloy Coatings for Protecting Steel Rebar from Chloride-Induced Corrosion
... carbon steel were prepared by electroless deposition method and their microstructure, chemistry and corrosion behaviors were investigated using scanning electron microscope (SEM), energy dispersive X-ray (EDX), ...
19
Effect of Diameter on Bond Failure of Steel Rebar Embedded into Concrete Using Epoxies at High Temperatures
... the steel rebar with the concrete cylinder enclosed in an electric oven ...the rebar with the maximum slippage set at 10 mm, at which point the mean value of the temperatures measured by TS1 and TS2 ...
15
The Corrosion Inhibition Effect of Forsterite (Mg2SiO4) Mine Tailings for Steel Rebar in Reinforced Concrete
... The specimens produced using the cement coded with CEM II 32.5 with 20% FA demonstrates the best behavior in terms of the DC power source applying fixed voltage of 30 V to the system which is the accelerated corrosion ...
17
Electrochemical Investigation of Passive Film Properties on Low Alloy Steel Rebars in Cement Extract and Saturated Ca(OH)2 Solutions
... alloy steel rebar as a new type of corrosion resistant steel bar, the composition and electrochemical characteristics of passivation films are affected by alloying elements, and the formation ...
17
Application of Electrochemical Impedance Spectroscopy to Evaluate the Corrosion Behavior of 2304 Duplex Stainless Steel Reinforced Rebar in Concrete Exposed in Chloride-Rich Environment
... of steel bars embedded in concrete is one of the main causes affecting the long-term performance of reinforced concrete ...stainless steel reinforced calcium silicate cement concrete in chloride-rich ...
9
Effect of sacrificial zinc anodes on current density for effective cathodic protection of RCC
... The specially made mild steel rebar frame of 3 bars of 350,350 and 425mm are used, with diameter of 10mm each. These bars are electrically interconnected by welding 2 ribs of 75mm length for spacing. The ...
5
Influence of Sisal Fibers on the Properties of Rammed Earth
... In this Project the Compressive Strength of CSRE blocks are obtained from compressive strength test and Bond strength characteristics of untreated, treated bamboo splints and steel rebar’s embedded in Cement ...
5
Effect of Vernonia amygdalina extract and zinc oxide inhibitor on the corrosion of mild steel reinforcement in concrete in 0 2M H2SO4 Environment
... The steel rebar with chemical composition of: ...The rebar was cut into several pieces each with a length of 120mm and 12mm ...the steel specimens before being cleaned with ...prepared ...
11
DYNAMIC ANALYSIS OF ROLLER PULLEY AND REBAR
... case Steel Rebar) over a number of roller pulleys ( Idler and powered ...travelling rebar over the pulleys and calculation of required torque used by powered ...resting rebar on ...Pulley, ...
10
A Statistical Analysis of the Distribution of the Chloride Threshold with Relation to Steel-concrete Interface
... around steel rebar, by means of BSE automated image analysis, and the chloride ...of steel from the closest concrete solid on the rebar perimeter and the chloride ...maximum ...
7
Influence of the Marine Environment on Reinforced Concrete Degradation Depending on Exposure Conditions
... of steel rebar against ...of steel. A lower distribution of oxygen is present on steel bar surface of ATM samples (Figure ...of steel in samples submitted to immersion (IMM) and ...
19
Shear strength analysis of concrete beams reinforced with GFRP bars using strut and tie model
... uses steel rebars that have been inserted to add strength, therefore in this study the steel bars will be replace with glass fibre-reinforced polymer and will focus on beam ...using steel ...
41
Behaviour of Concrete Columns by using Biaxial Geogrid Encasement
... with rebar and polypropylene geogrid strength of the column were investigated ...traditional rebar, GRSC and GRC specimen with different amount of transverse and longitudinal steel were ...
6