Prestressed Rebar refers to high-strength steel bars specifically designed for use in prestressed concrete applications. Unlike conventional rebar, which is designed to resist tensile forces after concrete cracking, prestressed rebar is intentionally tensioned before or during the concrete curing process. This pre-tensioning introduces compressive stresses into the concrete, significantly increasing its load-bearing capacity, reducing deflection, and minimizing the potential for cracking under service loads. It is a critical component in the construction of long-span bridges, large-span roofs, and other structures requiring exceptional strength, durability, and efficiency, allowing for lighter designs and longer spans than conventionally reinforced concrete.
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