Deformed steel bar HRB500 400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Usage and Applications of HRB500 Deformed Steel Bar:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Packaging & Delivery of HRB500 Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Deformed Steel Bar in stock
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
- Q: How are steel rebars used in the construction of airports?
- To ensure the overall strength and stability of various concrete structures in airport construction, steel rebars are extensively utilized. These rebars, also known as reinforcing bars, are typically made of steel and are strategically placed within concrete elements like beams, columns, slabs, and foundations. In the context of airport construction, rebars primarily serve to reinforce the concrete used in runways, taxiways, and aprons. Runways, subjected to heavy loads and constant aircraft movements, require significant reinforcement to withstand immense pressure and prevent cracking or structural failure. By embedding steel rebars within the concrete, its tensile strength is enhanced, enabling it to bear heavy loads without compromising the runway's integrity. Similarly, taxiways and aprons, which accommodate aircraft taxiing, parking, and refueling, also rely on steel rebars for reinforcement. These areas experience continuous vehicle and equipment traffic, making them susceptible to wear and tear. By incorporating rebars in the concrete, these surfaces can endure constant stress and weight, ensuring durability and longevity. Apart from runways, taxiways, and aprons, steel rebars are also utilized in constructing other airport structures such as terminal buildings, control towers, hangars, and parking facilities. These structures necessitate strong foundations and sturdy frames to support the building's weight and withstand environmental factors like wind and seismic forces. Steel rebars are employed to reinforce the concrete foundations, columns, and beams, providing the necessary strength and stability. Overall, steel rebars play a vital role in airport construction by enhancing the structural integrity and durability of various concrete elements. They ensure airport facilities can endure heavy loads, constant traffic, and adverse weather conditions associated with air travel, guaranteeing the safety and efficiency of airport operations.
- Q: How heavy can a 25 mm thread steel bear?
- Hot rolled ribbed bar is divided into two levels, HRB335 (old No. 20MnSi), three HRB400 (20MnSiV, 20MnSiNb, old No. 20Mnti), four grade HRB500 three grade.
- Q: Can steel rebars be used in the construction of stadiums for indoor sports?
- Yes, steel rebars can be used in the construction of stadiums for indoor sports. Steel rebars are commonly used in construction projects to reinforce concrete structures, including stadiums. They provide strength and durability to the concrete, making it capable of withstanding heavy loads and ensuring the safety and stability of the stadium.
- Q: How do steel rebars affect the overall cost of maintenance and repairs?
- Steel rebars can significantly impact the overall cost of maintenance and repairs. These reinforcement bars enhance the strength and durability of concrete structures, reducing the likelihood of cracks, deterioration, and structural failures over time. By preventing such issues, steel rebars minimize the need for extensive repairs and maintenance, ultimately lowering associated costs in the long run.
- Q: What are the advantages of using deformed steel rebars?
- There are several advantages to using deformed steel rebars in construction projects. Firstly, the deformed shape of the rebars provides enhanced bonding with the surrounding concrete. The ridges, bumps, or indentations on the surface of the rebar increase the surface area in contact with the concrete, resulting in improved adhesion. This ensures a stronger bond between the rebar and the concrete, making the overall structure more resistant to forces such as tension, compression, and shear. Secondly, deformed steel rebars offer better resistance to slippage. The irregular surface of the rebar prevents it from easily slipping or moving within the concrete. This is particularly beneficial in structures subject to seismic activity or heavy loads, as it helps to maintain the integrity and stability of the construction. Additionally, the use of deformed steel rebars enhances the overall structural strength and durability of the project. The deformations on the surface of the rebar allow it to better absorb and distribute stress, making it less susceptible to cracking or failure under high loads. This strength and durability make deformed rebars suitable for a wide range of applications, including bridges, high-rise buildings, and industrial structures. Furthermore, deformed steel rebars provide cost-effectiveness in long-term maintenance. The improved bond between the rebar and concrete reduces the risk of corrosion and deterioration over time. This leads to reduced maintenance and repair costs, as the structure remains more resilient and less prone to structural degradation caused by environmental factors. Lastly, deformed steel rebars offer versatility in design. The various types and sizes of deformed rebars available in the market allow engineers and designers to choose the most appropriate option for their specific project requirements. The flexibility in design ensures that the rebars can be tailored to meet the structural demands of different applications, thus contributing to the overall efficiency and safety of the construction project. In conclusion, the advantages of using deformed steel rebars include enhanced bonding with concrete, resistance to slippage, improved structural strength and durability, cost-effectiveness in maintenance, and versatility in design. These advantages make deformed steel rebars a preferred choice in construction projects where strength, stability, and long-term performance are crucial factors.
- Q: What are the dimensions and sizes of steel rebars?
- Steel rebars, also known as reinforcing bars, come in various dimensions and sizes to suit different construction needs. The most common sizes of steel rebars are typically between 6 to 40 millimeters in diameter, with the most frequently used sizes being 10, 12, 16, 20, and 25 millimeters. The length of steel rebars can vary depending on the project requirements, but they are commonly available in lengths ranging from 6 to 18 meters.
- Q: What is the process of anchoring steel rebars in concrete?
- To establish a sturdy and secure connection between steel rebars and concrete, a series of steps must be taken. Initially, the concrete surface where the rebars will be anchored must be adequately prepared. This typically entails cleansing the surface to eliminate any dirt, dust, or debris that could hinder the bonding process. It is also imperative to confirm that the concrete has fully cured and attained the required strength before proceeding. Subsequently, the rebars are cut to the desired length and shape as per the construction plans. Adhering to the specified dimensions and placement requirements is essential to guarantee proper reinforcement and structural integrity. Once the rebars are prepared, they are typically positioned in the desired location within the concrete formwork. The rebars need to be placed at the correct depth and spacing as outlined in the design. This is commonly achieved by employing plastic or metal chairs, spacers, or tie wire to hold the rebars firmly in place. Once the rebars are appropriately positioned, the next step involves fastening them to the concrete. One prevalent method of anchoring the rebars is by utilizing mechanical anchors or rebar couplers. These devices are designed to establish a strong connection between the rebars and the concrete through various mechanisms such as threading, crimping, or expansion. Alternatively, another technique for anchoring the rebars involves using adhesive or cementitious grouts. These substances are applied to the rebars and then inserted into pre-drilled holes in the concrete. The adhesive or grout aids in bonding the rebars to the concrete and provides additional reinforcement. Finally, after the rebars are anchored, the concrete is poured or placed around them. To ensure complete encapsulation of the rebars, the concrete must be consolidated effectively. This can be achieved by implementing techniques such as vibrating the concrete or employing specialized equipment. In conclusion, anchoring steel rebars in concrete necessitates meticulous planning, preparation, and execution to establish a dependable and long-lasting bond. Adhering to industry standards and design specifications is vital to achieve the desired structural strength and integrity.
- Q: How do steel rebars distribute loads in concrete structures?
- Steel rebars distribute loads in concrete structures by providing reinforcement and increasing the tensile strength of the concrete. The rebars are typically placed in the concrete in a grid-like pattern, creating a network of support throughout the structure. When the concrete is subjected to external loads, such as the weight of the building or the force of an earthquake, the rebars help distribute the load more evenly across the structure. This prevents the concrete from cracking or failing under the stress. Rebars work by transferring the tensile forces to the surrounding concrete. While concrete is strong in compression, it is relatively weak in tension. The rebars act as a reinforcement, resisting the tensile forces and preventing the concrete from cracking. When a load is applied to the structure, the rebars bear a portion of the load and distribute it to adjacent rebars and the surrounding concrete, effectively increasing the overall strength and stability of the structure. The distribution of loads in concrete structures is also influenced by the spacing and diameter of the rebars. Properly spacing the rebars ensures that the load is evenly distributed, minimizing the risk of localized stress concentration. The diameter of the rebars also plays a role in load distribution, as larger diameter rebars can withstand higher loads and provide more reinforcement. In addition to load distribution, steel rebars also help control the propagation of cracks within the concrete. When cracks do occur, the rebars help prevent them from spreading by transferring the stress around the cracked area and maintaining the structural integrity of the concrete. Overall, steel rebars play a critical role in distributing loads in concrete structures by providing reinforcement, increasing tensile strength, and controlling crack propagation. Their strategic placement and proper sizing ensure that the loads are evenly distributed, enhancing the durability and longevity of the structure.
- Q: What are the different methods of protecting steel rebars against corrosion?
- There are multiple methods available for safeguarding steel rebars from corrosion, which can be broadly categorized into passive and active protection. Passive protection methods involve using barrier coatings or inhibitors to prevent corrosive agents from reaching the surface of the steel rebars. One commonly used technique is applying epoxy coatings, which create a physical barrier between the rebar and its surrounding environment. These coatings can be administered through spraying, brushing, or immersion, and offer excellent corrosion protection. Another passive protection method is utilizing zinc-based coatings like galvanization or zinc-rich paints. These coatings provide sacrificial protection, where the zinc layer corrodes first, thereby shielding the steel rebar from corrosive elements. Galvanization, a widely adopted technique, involves immersing the rebar in molten zinc to form a protective layer. In addition to barrier coatings, inhibitors can also be employed to protect steel rebars. Inhibitors work by reducing the corrosive activity of the surrounding environment. Common inhibitors include calcium nitrite, which forms a protective layer on the rebar's surface, and organic compounds such as amines and phosphates, which passivate the steel and decrease corrosion rates. Active protection methods involve using impressed current cathodic protection (ICCP) or galvanic anodes. ICCP entails applying a direct electrical current to the steel rebar, counteracting the corrosive forces. This technique necessitates the installation of anodes and a power supply system. On the other hand, galvanic anodes are sacrificial metals like aluminum or magnesium that are connected to the steel rebar. The anode corrodes instead of the rebar, offering protection. It is important to consider various factors, including the environment, exposure conditions, and project requirements, when selecting a protection method. Consulting corrosion experts or engineers is often recommended to determine the most suitable method for safeguarding steel rebars from corrosion in a specific situation.
- Q: How do steel rebars affect the overall load distribution of concrete structures?
- The load distribution of concrete structures is critically influenced by steel rebars, which play an essential role. Reinforcement is provided by steel rebars, enhancing the overall strength and durability of the concrete. Concrete is strong in compression but weak in tension, which is counterbalanced by embedding steel rebars within it. This ensures a more even distribution of the load and helps prevent cracks and structural failures by absorbing and distributing tensile forces exerted on the concrete. The presence of steel rebars effectively transfers tension forces to the surrounding concrete as the load is applied to the structure. This mechanism of load transfer results in a more balanced distribution of forces throughout the structure. The steel rebars work in harmony with the highly compression-resistant concrete, preventing excessive deflection and maintaining the structural integrity of the overall system. This is particularly crucial in large-scale concrete structures like bridges, high-rise buildings, and dams, where careful load distribution is necessary for stability. In conclusion, steel rebars have a significant impact on the load distribution of concrete structures, reinforcing the concrete and enhancing its tensile strength. They work in partnership with the concrete to ensure an even distribution and transfer of the load, preventing cracks and structural failures. The combination of steel rebars and concrete creates a robust and dependable structural system capable of withstanding applied loads and ensuring long-term safety.
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Deformed steel bar HRB500 400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 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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