Cheap Price steel rebar for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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Specification
Standard:
AISI,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Dry
Steel Grade:
RHB335,HRB400
Thickness:
6-40mm
Length:
5.8-12M
Net Weight:
1-2.5MT
Deformed Steel bar is a common steel reinforcing bar, used in reinforced concrete and reinforced masonry structures.
It is formed from mild steel, and is given ribs for better frictional adhesion to the concrete. The Deformed Steel bar is an iron rod , a weldable plain reinforcing steel bar, and can be used as well for steel meshes.
Product Description :
|
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q:How do steel rebars affect the durability of a structure?
- Steel rebars have a significant impact on the durability of a structure. These reinforcements, made of high-strength steel, are embedded within concrete to enhance its tensile strength and overall structural integrity. By providing resistance against cracking and flexural stresses, steel rebars help in preventing structural failures and ensuring the long-term durability of the construction. One of the main benefits of using steel rebars is their ability to withstand tension forces. Concrete, although strong in compression, is weak when it comes to tension. When a structure is subjected to loads that cause bending or stretching, the rebars distribute these forces throughout the concrete, preventing it from cracking or breaking apart. This reinforcement improves the overall load-bearing capacity of the structure, making it more resistant to external forces such as earthquakes or heavy winds. Moreover, steel rebars also play a crucial role in preventing corrosion within the structure. Concrete is porous, and over time, moisture can penetrate it, causing the embedded reinforcement to rust. Rusting rebars expand, leading to cracks and weakening the structure. However, using corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, significantly reduces the risk of corrosion, thus enhancing the durability of the structure. In addition to their mechanical properties, steel rebars also contribute to the durability of a structure in terms of construction speed and long-term maintenance. Compared to other traditional reinforcement materials, rebars are relatively easy to install, reducing construction time and costs. Furthermore, their long lifespan and low maintenance requirements ensure the longevity and durability of the structure over time. In conclusion, steel rebars are essential for ensuring the durability of a structure. Their ability to resist tension forces, prevent cracking, and mitigate the risk of corrosion significantly enhances the structural integrity and longevity of the construction. Incorporating steel rebars into the design and construction process is crucial to creating sturdy, safe, and long-lasting structures.
- Q:How do steel rebars affect the acoustic properties of a structure?
- Steel rebars can have a significant impact on the acoustic properties of a structure. Due to their high density and rigidity, steel rebars can act as conductors of sound and vibrations. This means that when sound waves or vibrations encounter steel rebars, they can easily be transmitted through them, resulting in increased noise levels and reduced acoustic insulation. In terms of airborne sound transmission, steel rebars can create a direct pathway for sound waves to travel through a structure. This can lead to the amplification of sound, especially in areas where rebars are in direct contact with walls or floors. As a result, the overall acoustic quality of the structure may be compromised, causing increased noise levels and decreased speech intelligibility. Steel rebars can also affect the structure's ability to block impact or structure-borne noise. When vibrations are generated, for example, from footsteps or machinery, the rigid steel rebars can efficiently transmit these vibrations throughout the structure. This can result in the amplification and propagation of structure-borne noise, making it more perceptible in different areas of the building. To mitigate the negative effects of steel rebars on the acoustic properties of a structure, various techniques can be employed. One common method is to use acoustically decoupled materials or resilient mounts to isolate the rebars from the surrounding structure, reducing the transmission of vibrations. Additionally, incorporating sound-absorbing materials, such as acoustic panels or insulation, can help to absorb and dampen sound waves, improving the overall acoustic performance of the space. Overall, steel rebars can have a significant impact on the acoustic properties of a structure. Their high density and rigidity make them efficient conductors of sound and vibrations, potentially leading to increased noise levels and reduced acoustic insulation. Therefore, careful consideration of acoustic design and appropriate use of soundproofing measures are essential in minimizing the adverse effects of steel rebars on the acoustic quality of a building.
- Q:How do steel rebars prevent cracks in concrete?
- Steel rebars prevent cracks in concrete by providing reinforcement and increasing the tensile strength of the structure. As concrete is strong in compression but weak in tension, the rebars absorb and distribute the tensile forces throughout the concrete, preventing it from cracking under stress. The combination of steel rebars and concrete creates a composite material that can withstand bending, flexing, and other external loads, thus enhancing the overall durability and longevity of the structure.
- Q:What are the guidelines for ensuring proper concrete cover over steel rebars?
- Proper concrete cover over steel rebars is crucial for the long-term durability and performance of reinforced concrete structures. Here are some guidelines to ensure the correct concrete cover over steel rebars: 1. Follow building codes and specifications: Building codes and specifications provide minimum requirements for concrete cover over steel rebars. These guidelines are established to ensure structural integrity, fire resistance, and resistance to corrosion. It is essential to consult and adhere to the applicable building codes and specifications for the specific project. 2. Determine the required concrete cover: The required concrete cover depends on various factors, such as environmental conditions, exposure to aggressive agents, structural design, and reinforcement type. Structural engineers typically determine the required concrete cover based on these factors to ensure the rebars are adequately protected. 3. Use appropriate concrete mix design: The concrete mix design should be carefully selected to achieve the desired strength, durability, and workability. The mix design should consider factors like the quality and size of aggregates, cement content, water-to-cement ratio, and use of additives or admixtures. Using a well-designed concrete mix will help ensure proper bonding and adequate protection of the steel rebars. 4. Maintain proper construction practices: During construction, it is crucial to maintain proper practices to ensure the correct concrete cover over steel rebars. This includes using proper formwork and reinforcement placement techniques, ensuring proper concrete placement, compaction, and curing. The rebars should be adequately positioned and securely tied to maintain the required cover and prevent displacement during concrete pouring. 5. Inspect and monitor during construction: Regular inspections and monitoring at various stages of construction are essential to ensure compliance with the required concrete cover. This includes checking reinforcement placement, cover thickness, and overall quality of the concrete. Any deviations from the specified requirements should be addressed and rectified promptly. 6. Protect against corrosion: Adequate concrete cover over steel rebars plays a significant role in protecting against corrosion. However, additional measures such as using corrosion-resistant rebars, applying epoxy coatings, or using corrosion inhibitors can further enhance the durability and longevity of the reinforced concrete structure. 7. Document and maintain records: It is important to document the construction process, including the reinforcement placement, concrete cover thickness, and any deviations or modifications made during construction. This documentation will serve as a valuable resource for future reference, maintenance, and repairs. By following these guidelines, proper concrete cover over steel rebars can be ensured, resulting in durable and structurally sound reinforced concrete structures. It is always recommended to consult with structural engineers and construction professionals for specific project requirements and to ensure compliance with local building codes and regulations.
- Q:Can steel rebars be used in the construction of office buildings?
- Yes, steel rebars can be used in the construction of office buildings. Steel rebars are commonly used as reinforcement in concrete structures, including office buildings. They provide strength and stability to the concrete, making it more resistant to cracking and bending. The use of steel rebars helps to ensure the structural integrity of the building, especially in areas of high stress or load-bearing requirements. Additionally, steel rebars are durable and long-lasting, making them a reliable choice for construction projects.
- Q:How long do steel rebars typically last?
- Steel rebars typically have a long lifespan and can last for several decades. The exact duration of their lifespan depends on various factors, such as the quality of the rebar, the environmental conditions it is exposed to, and the maintenance practices implemented. Generally, steel rebars are designed to be resistant to corrosion, which is one of the main factors that can affect their longevity. However, over time, rebars may experience some corrosion due to exposure to moisture, chemicals, or other corrosive agents. This can potentially reduce their lifespan. Regular inspections, maintenance, and the application of protective coatings can help extend the lifespan of steel rebars. With proper care, steel rebars can typically last 30 to 50 years or even longer.
- Q:How do steel rebars affect the overall construction timeline?
- Steel rebars can have a significant impact on the construction timeline. These reinforced steel bars are essential for providing strength and stability to concrete structures, thus ensuring their durability. However, their installation requires careful planning, coordination, and time. The process involves cutting, bending, and positioning the rebars accurately, which can be time-consuming. Additionally, delays in the delivery of rebars or issues with their quality can further extend the construction timeline. Despite these potential time constraints, using steel rebars is crucial for ensuring the structural integrity of the project, making them an integral part of construction planning.
- Q:Can steel rebars be used in structures with high radiation shielding requirements?
- Yes, steel rebars can be used in structures with high radiation shielding requirements. Steel has good radiation shielding properties and is commonly used in such structures to provide protection against radiation.
- Q:Can steel rebars be used in swimming pool renovation work?
- Yes, steel rebars can be used in swimming pool renovation work. Steel rebars provide strength and reinforcement to the structure, ensuring the longevity and durability of the swimming pool.
- Q:How do steel rebars affect the workability of concrete?
- Concrete workability can be significantly impacted by the presence of steel rebars. Initially, steel rebars in concrete contribute to increased strength and structural integrity. They act as reinforcement by absorbing and redistributing tensile forces, preventing cracking or collapsing under load. However, the addition of steel rebars also has various effects on concrete workability. Firstly, it reduces the workability or slump of the concrete mix. Consequently, the concrete becomes less fluid and more challenging to handle, particularly during pouring and placement. The rebars create obstacles and impede the flow of concrete, demanding greater effort to properly place and compact the mixture. Moreover, steel rebars can lead to issues such as segregation and segregation of concrete. Segregation arises when the heavier rebars cause the aggregate to settle at the bottom, resulting in an uneven distribution of components in the mixture. This can negatively impact the concrete's strength and durability. Additionally, ensuring proper bond between the steel and concrete may require additional measures. Adequate cover depth and correct placement of rebars are crucial to fully embed the rebars in the concrete, providing the necessary reinforcement. Failing to achieve a proper bond can jeopardize the concrete's strength and structural integrity. In conclusion, steel rebars have both positive and negative effects on concrete workability. While they enhance the strength and durability of the concrete, they also reduce its workability and require additional considerations during the mixing and placement process. Effective planning and execution are necessary to incorporate the rebars efficiently without hindering the overall workability and performance of the concrete.
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Cheap Price steel rebar for Construction building bridge road
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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