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The rebars in the cages are connected by spot welding, tying steel wire, sometimes using an electric rebar tier, or with mechanical connections. For tying epoxy-coated or galvanized rebars, epoxy-coated or galvanized wire is normally used, respectively.
Rebars are coated in a similar manner as coating application, on the exterior of pipes. For FBE coating application on the interior of pipe surface, a lance is used. The lance enters into the pre-heated pipe, and starts spraying the powder from the opposite end, while the pipe is being rotated on its axis and the lance pulls out in a pre ...
The use of de-icing salts on roadways, used to lower the freezing point of water, is probably one of the primary causes of premature failure of reinforced or prestressed concrete bridge decks, roadways, and parking garages. The use of epoxy-coated reinforcing bars and the application of cathodic protection has mitigated this problem to some ...
Zinc-galvanization or epoxy-coating can improve the corrosion resistance of rebar, but have also other disadvantages such as their lower surface adhesion to concrete (risk of slip), the possible formation of cathodic and anodic zones conducive to galvanic corrosion if the protective coating is locally punctured or damaged, and their higher costs.
Some reinforcing bars are coated in epoxy to prevent corrosion due to water contact. Epoxy coated bars are more expensive and offer less friction. Reinforced concrete members using epoxy coated bars must therefore be designed larger and stronger, due to the lower friction, or bond strength, between coated reinforcing bars and concrete.
A new study suggests that a diet filled with protein and fiber may be the most effective for weight loss. Here's what a dietitian wants you to know.
In 100 grams of plain spaghetti noodles, you'll find: 158 calories. 31 grams carbohydrate. 2 grams fiber. 6 grams protein. Gnocchi nutrition. In 100 grams of potato gnocchi, you'll get:
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