The efficacy and function of steel rebar

The efficacy and function of steel rebar


Steel reinforcement is a commonly used building structural material, usually made of high-strength steel. According to their form and function, steel bars can be divided into the following categories:

1. Ordinary steel bars: also known as low-carbon steel bars, have high plasticity and ductility, and are the most commonly used type of building steel bars.

2. High tensile steel bars: also known as high-strength steel bars, have high tensile strength and good ductility.

3. Production of prestressed steel bars: used to produce prestressed concrete components with high tensile strength and ductility, which can be processed and prestressed to enhance their load-bearing capacity.

4. Twisted steel bars: have a certain degree of toughness and ductility, and are processed into longitudinal threaded forms on the surface to anchor with concrete, improving the tensile and torsional capabilities of the steel bars.

In addition to the above classification, there are many special forms of steel bars, such as wear-resistant steel bars and stainless steel bars.

Steel reinforcement is the main reinforcing material in concrete structures, which improves the overall bearing capacity of concrete by cooperating with concrete to bear bending and shear loads. Specifically, the role of steel bars can be summarized in the following aspects:

1. Enhance the tensile strength of concrete: The tensile strength of concrete is much lower than its compressive strength, and steel bars can provide greater tensile strength for concrete, thereby increasing its strength and stability.

2. Control cracks in concrete: Cracks caused by concrete loading can increase the risk of deformation and damage to concrete structures. The addition of steel bars can limit the diffusion and cracking of concrete, ensuring the stability of the structure.

3. Improving the toughness of concrete: The toughness of concrete determines its deformation and failure performance under bending loads, and steel bars can provide greater bending toughness for concrete, improving the load-bearing capacity and safety of the structure.

4. Improve the seismic performance of concrete: In natural disasters such as earthquakes, concrete structures are susceptible to significant dynamic loads, and steel bars can provide greater seismic resistance to concrete, protecting the safety of structures and personnel.

Since its establishment, Shanghai Zhongze Yi Metal Materials Co., Ltd. has been committed to providing steel materials to customers and has now become a supplier of steel in various aspects. The company has a long-term supply of spot goods both domestically and internationally, specializing in steel products such as stainless steel plates, stainless steel pipes, stainless steel coils, seamless steel pipes, welded pipes, etc. We prioritize customers, prioritize service, keep up with the pace of development, and are committed to providing customers with convenient and fast services. With excellent service, the company has gained unanimous support from both new and old customers, and has gained the trust of a large number of customers.


Post time: Jun-27-2024