Steel Deformed Rebar In Coil Small Sizes for Construction
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- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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1. Structure of Steel Deformed Rebar In Coil Small Sizes for Construction Description:
Steel deformed rebar in coil small sizes for construction is a beam with an I-shaped cross-section. The horizontal elements of the "I" are known as flanges, while the vertical element is termed the "web". Steel deformed rebar in coil small sizes for construction is usually made of structural steel and is used in construction and civil engineering. The steel deformed rebar in coil small sizes for construction resists shear forces, while the flanges resist most of the bending moment experienced by the beam. Steel deformed rebar in coil small sizes for construction theory shows that the I-shaped section is a very efficient form for carrying both bending and shears loads in the plane of the web.
2. Main Features of Steel Deformed Rebar In Coil Small Sizes for Construction:
• Grade: Q235
• Type: Mild carbon steel
• Deflection: The stiffness of the I-beam will be chosen to minimize deformation
• Vibration: The stiffness and mass are chosen to prevent unacceptable vibrations, particularly in settings sensitive to vibrations, such as offices and libraries.
• Local yield: Caused by concentrated loads, such as at the beam's point of support.
3. Steel Deformed Rebar In Coil Small Sizes for Construction Images:
4. Steel Deformed Rebar In Coil Small Sizes for Construction Specification:
Mechanical Properties | Grade | Steel diameter（mm） | |||
≤16 | 16~40 | 40~60 | 60~100 | ||
Yield Point Δs/MPa | Q195 | ≥195 | ≥185 | - | - |
Q235 | 235 | 225 | 215 | 205 | |
Tensile Strength | Q195 | 315~390 | |||
Q235 | 375~500 | ||||
Elongation δ5% | Q195 | ≥33 | ≥32 | - | - |
Q235 | 26 | 25 | 24 | 23 | |
5. FAQ
We have organized several common questions for our clients，may help you sincerely:
①Is this product same as W beam？
In the United States, the most commonly mentioned I-beam is the wide-flange (W) shape. These beams have flanges in which the planes are nearly parallel. Other I-beams include American Standard (designated S) shapes, in which flange surfaces are not parallel, and H-piles (designated HP), which are typically used as pile foundations. Wide-flange shapes are available in grade ASTM A992,[4] which has generally replaced the older ASTM grades A572 and A36.
②How to inspect the quality？
We have a professional inspection group which belongs to our company. We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③Is there any advantage about this kind of product?
Steel I beam bar IPE has a reduced capacity in the transverse direction, and is also inefficient in carrying torsion, for which hollow structural sections are often preferred.
- Q: Are steel rebars suitable for earthquake-resistant structures?
- Yes, steel rebars are suitable for earthquake-resistant structures. Steel rebars provide excellent tensile strength and reinforcement to concrete structures, making them more resistant to the lateral forces and vibrations caused by earthquakes. They help to distribute and absorb the energy generated during seismic events, enhancing the overall structural integrity and reducing the risk of collapse. Steel rebars have been widely used in earthquake-prone areas and are considered a reliable choice for ensuring the safety and stability of buildings and infrastructure during earthquakes.
- Q: Are steel rebars suitable for use in historical building restoration?
- Steel rebars can be suitable for use in historical building restoration, but careful consideration should be given to the specific requirements of the project and the significance of the building. Steel rebars offer strength, durability, and ease of installation, which can be advantageous in reinforcing and stabilizing historical structures. However, it is important to ensure that the steel rebars do not compromise the original character and integrity of the building. In some cases, historical buildings may have specific preservation guidelines that prohibit or restrict the use of steel rebars. For instance, if the building is listed as a protected monument, the use of steel rebars may be limited to ensure the preservation of its original materials and construction methods. In such instances, alternative reinforcement materials like timber, stone, or even composite materials may be more appropriate. Additionally, it is crucial to consult with preservation experts, architects, and structural engineers who specialize in historical building restoration. They can provide valuable insights and recommendations on the most suitable reinforcement options for the specific project. Their expertise can help strike a balance between the structural needs of the building and the preservation of its historical value. Ultimately, the suitability of steel rebars for use in historical building restoration depends on a thorough assessment of the building's historical significance, the specific requirements of the restoration project, and adherence to preservation guidelines. With careful planning and consideration, steel rebars can be successfully incorporated into the restoration process, ensuring the longevity and stability of the historical structure while preserving its unique heritage.
- Q: Can steel rebars be cut on-site during construction?
- Steel rebars can indeed be cut on-site during construction. They are frequently utilized in reinforced concrete structures to enhance their durability and stability. To meet the design specifications, it may be necessary to trim the rebars to certain lengths or shapes. This task can be accomplished with a range of tools including rebar cutters, angle grinders, or oxy-fuel cutting torches. Nevertheless, it is crucial to adhere to safety protocols and employ suitable protective equipment while cutting rebars on-site in order to avert any mishaps or harm.
- Q: What is the average lifespan of steel rebars in a structure?
- The average lifespan of steel rebars in a structure can vary depending on various factors such as the quality of the steel, environmental conditions, and maintenance practices. However, in general, steel rebars are designed to have a lifespan of around 50 to 100 years in a well-maintained structure.
- Q: Can steel rebars be bent without compromising their strength?
- Yes, steel rebars can be bent without compromising their strength if done within their specified bending limits and with proper techniques.
- Q: What are the factors that affect the cost of steel rebars?
- The factors that affect the cost of steel rebars include the current market demand and supply dynamics, the cost of raw materials such as iron ore and scrap metal, energy costs, transportation costs, labor costs, manufacturing processes and technologies employed, government regulations and tariffs, and currency exchange rates. Additionally, global economic conditions, geopolitical events, and natural disasters can also impact the cost of steel rebars.
- Q: How are steel rebars spliced or connected in construction joints?
- In construction joints, steel rebars are typically spliced or connected using various methods to ensure the structural integrity and strength of the reinforced concrete. One common method is known as lap splicing, where the rebars are overlapped and then mechanically connected or tied together using steel wires or couplers. The length of the overlap required for lap splicing depends on the diameter of the rebars and the design specifications. It is usually specified in terms of the rebar diameter or as a multiple of it. The overlapping length ensures that the load transfer between the two rebars is efficient and prevents any potential failure at the connection point. Another method of splicing steel rebars is the use of mechanical couplers. These couplers are pre-fabricated devices that are designed to connect two rebars together securely. They eliminate the need for lap splicing and provide a more precise and reliable connection. Mechanical couplers are particularly useful in situations where the rebar size is larger or where it is not feasible to have long lap lengths. Additionally, in some cases, welded splicing may be used. This method involves welding the ends of the rebars together, creating a solid and continuous connection. Welded splicing is commonly used when the rebars are larger in diameter, and the joint needs to withstand higher loads. However, it is essential to ensure that proper welding techniques and practices are followed to maintain the integrity of the connection. Overall, the splicing or connection of steel rebars in construction joints is a critical aspect of reinforced concrete construction. It ensures that the rebars act as a continuous reinforcement, allowing the structure to resist applied loads effectively. The choice of splicing method depends on factors such as rebar size, design specifications, and project requirements.
- Q: How do steel rebars affect the shrinkage and creep of concrete?
- Steel rebars play a significant role in mitigating the shrinkage and creep of concrete. The presence of rebars helps to improve the tensile strength of concrete, which reduces the occurrence of cracking and shrinkage. By providing reinforcement, steel rebars restrict the movement of concrete, minimizing the risk of shrinkage and creep over time.
- Q: How do steel rebars affect the overall structural stability of a building?
- The overall structural stability of a building is greatly improved with the use of steel rebars. These reinforcing bars are commonly employed in concrete structures to provide additional strength and support to the building's framework. By embedding steel rebars within the concrete, the building's overall structural integrity and load-bearing capacity are significantly heightened. The main purpose of steel rebars is to reinforce and strengthen concrete, which is susceptible to tension forces. Concrete possesses excellent compressive strength but has limited resistance to tensile forces. Steel rebars, which are highly tensile in nature, counteract these tension forces and prevent the concrete from cracking or failing when under stress. Rebars are strategically placed within the concrete to more efficiently distribute and transfer loads. This redistribution of forces reduces the likelihood of localized structural failures and ensures that the building can withstand external forces such as wind, seismic activity, or heavy loads. Furthermore, steel rebars also improve the durability and longevity of a building. By reinforcing the concrete, rebars help minimize cracking and prevent the propagation of cracks. This is particularly important in areas prone to seismic activity since rebars can absorb and dissipate energy generated during an earthquake, reducing the risk of collapse. In addition to their role in ensuring structural stability, steel rebars also offer design flexibility. They can be shaped and bent into various configurations, enabling architects and engineers to create complex and innovative structures effortlessly. This design flexibility not only enhances the aesthetics of the building but also allows for the construction of unique architectural features that would otherwise be difficult or impossible to achieve. In summary, steel rebars are vital for enhancing the overall structural stability of a building. By reinforcing the concrete, they increase its load-bearing capacity, improve resistance to tensile forces, and more efficiently distribute loads. Their presence significantly reduces the risk of structural failure, enhances durability, and allows for greater design flexibility.
- Q: What are the common defects observed in steel rebars?
- Steel rebars can exhibit several common defects, including rust and corrosion, cracks and fractures, lack of bond, bent or deformed shapes, dimensional inaccuracies, and inclusions or impurities. When exposed to moisture and oxygen, rebars are susceptible to rust and corrosion, which weaken their structural integrity and compromise the overall strength of concrete structures. Various factors such as excessive bending, improper handling during transportation and installation, or overloading can lead to cracks and fractures in rebars, reducing their load-bearing capacity and affecting the performance of concrete structures. Adequate bond between rebars and the surrounding concrete is crucial for effective load transfer, but poor surface preparation, improper placement, or the presence of contaminants can result in a lack of bond and reduced structural strength. Improper bending techniques, excessive bending, or mishandling can result in rebars with incorrect shapes or deformities, compromising their structural integrity and load-bearing capacity. Steel rebars must conform to specific dimensional tolerances to ensure proper fit and alignment within concrete structures, but manufacturing errors or improper storage and handling can cause dimensional inaccuracies, leading to difficulties during installation and potentially impacting structural performance. Ideally, steel rebars should be free from any inclusions or impurities that can weaken the material, but inadequate quality control during the manufacturing process can result in the presence of foreign materials or impurities, reducing the strength and durability of rebars. To minimize these defects and ensure the long-term structural integrity of concrete structures, it is important to implement proper quality control measures and adhere to industry standards during the manufacturing, transportation, and installation of steel rebars.
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Steel Deformed Rebar In Coil Small Sizes for Construction
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 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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