Rebar

Rebar inside the Leaning Tower of Nevyansk

Steel reinforcement bars with color codes indicating the grade

Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in tension. Rebar's surface is often patterned to form a better bond with the concrete.

单词	Secondary reinforcement
释义	Secondary reinforcement 英语百科 Rebar Rebar (short for reinforcing bar), also known as reinforcing steel, reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in tension. Rebar's surface is often patterned to form a better bond with the concrete.
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Secondary reinforcement

Rebar