Steel Rebar Strips For Building Construction

Steel Rebar Strips For Building Construction

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 100000 m.t./month

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Usage and Applications

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.

Diameter(mm)	Section area (mm²)	Mass(kg/m)	Weight of 12m bar(kg)
6	28.27	0.222	2.664
8	50.27	0.395	4.74
10	78.54	0.617	7.404
12	113.1	0.888	10.656
14	153.9	1.21	14.52
16	201.1	1.58	18.96
18	254.5	2.00	24
20	314.2	2.47	29.64
22	380.1	2.98	35.76
25	490.9	3.85	46.2
28	615.8	4.83	57.96
32	804.2	6.31	75.72
36	1018	7.99	98.88
40	1257	9.87	118.44
50	1964	15.42	185.04

Packaging & Delivery

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

Payment term: TT or L/C

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

Cold Rolled Techniques

Yield Point: 545-565mpa

Q: How do steel rebars enhance the bond between concrete and reinforcement?: Steel rebars enhance the bond between concrete and reinforcement through various mechanisms. Firstly, the presence of rebars in concrete increases the mechanical interlock between the two materials. As concrete is poured around the rebars, it fills the gaps between the steel bars, creating a strong bond when it hardens. This mechanical interlock helps to prevent the separation of concrete and reinforcement, especially under tensile loads. Secondly, steel rebars enhance the bond by providing additional surface area for adhesion. The rough texture of the rebars allows the concrete to grip onto the steel surface, creating a stronger bond. This adhesion is further improved by the corrosion products that form on the surface of the steel rebars over time. These products create a rougher surface, increasing the bond strength between the concrete and reinforcement. Thirdly, rebars act as load transfer devices in concrete structures. When external forces are applied to the structure, the rebars distribute and transfer these forces to the surrounding concrete. This load transfer mechanism helps to improve the overall structural integrity and performance of the concrete element. Additionally, steel rebars also enhance the bond between concrete and reinforcement through their ability to resist deformation. Under tensile loads, the rebars elongate and absorb the stress, preventing the concrete from cracking. This prevents the development of cracks that could weaken the bond between the two materials. In summary, steel rebars enhance the bond between concrete and reinforcement by providing mechanical interlock, increased surface area for adhesion, load transfer capabilities, and resistance to deformation. These factors collectively contribute to the overall strength, durability, and performance of reinforced concrete structures.

Q: What is the role of steel rebars in industrial chimney construction?: Steel rebars play a crucial role in industrial chimney construction by providing structural reinforcement and strength to withstand the high temperatures, heavy loads, and harsh environmental conditions. They enhance the chimney's ability to resist bending, cracking, and collapsing, ensuring its stability and longevity. Additionally, steel rebars help to distribute stress evenly, improving the overall integrity of the chimney and ensuring its safety during operation.

Q: How are steel rebars marked for identification on construction sites?: Steel rebars are typically marked with a series of symbols, numbers, and colors to identify their size, grade, and other specifications. These markings are usually either painted or embossed on the surface of the rebars, making it easier for construction workers to identify and use them correctly during the construction process.

Q: How do steel rebars affect the overall ductility of concrete structures?: Steel rebars significantly enhance the overall ductility of concrete structures. Ductility refers to the ability of a material to deform without fracturing when subjected to stress. In the case of concrete structures, the addition of steel rebars provides an essential mechanism for absorbing and redistributing tensile forces. Concrete is an excellent material for compression, but it is weak in tension. The presence of steel rebars within the concrete matrix allows it to resist tensile forces effectively. When a tensile force is applied to a concrete structure, the rebars bear most of the load, preventing the concrete from cracking or failing. This redistribution of stress helps to increase the overall durability and strength of the structure. Furthermore, steel rebars enhance the ductility of concrete structures by providing a warning sign before failure. As the tensile strength of the rebars is exceeded, they tend to elongate and deform, indicating that the structure is approaching its limit. This warning allows for timely repairs or reinforcement, preventing catastrophic failures. Another crucial aspect of steel rebars in enhancing ductility is their ability to bridge cracks in concrete. When a crack occurs, the rebars act as a reinforcement that spans across the crack, preventing it from propagating further. This bridging effect helps to maintain the integrity of the structure and allows for easier repair or rehabilitation. Overall, the inclusion of steel rebars in concrete structures significantly improves their ductility by enhancing tensile strength, providing warning signs before failure, and bridging cracks. This increased ductility ensures that the structures can withstand various loads, including seismic events and dynamic forces, while maintaining their structural integrity.

Q: How do steel rebars contribute to the overall fire resistance of a structure?: Steel rebars contribute to the overall fire resistance of a structure by providing strength and stability. When exposed to high temperatures during a fire, steel rebars do not combust or lose their structural integrity easily. Instead, they retain their load-bearing capacity, preventing the collapse of the structure. Additionally, the thermal conductivity of steel helps in dissipating heat, reducing the spread and intensity of the fire within the building.

Q: Are steel rebars resistant to UV radiation?: No, steel rebars are not inherently resistant to UV radiation and can corrode when exposed to prolonged sunlight.

Q: Can steel rebars be used in high-traffic flooring applications?: Yes, steel rebars can be used in high-traffic flooring applications. Steel rebars are known for their strength and durability, making them an ideal choice for areas with heavy foot traffic. They provide added support and reinforcement to the flooring, ensuring its longevity and ability to withstand the wear and tear of high-traffic environments.

Q: Can steel rebars be used in high-security facility construction?: Indeed, high-security facility construction can incorporate steel rebars. With their strength and durability, steel rebars prove to be an appropriate choice for reinforcing concrete structures. In the case of high-security facilities, like prisons or government buildings, it becomes essential to ensure that the construction materials offer utmost strength and resistance against potential threats. By providing excellent tensile strength, steel rebars effectively reinforce concrete and enhance the overall structural integrity of the building. Moreover, the flexibility of steel rebars allows customization to meet the specific security requirements of the facility, such as employing thicker rebars or increasing their spacing to bolster reinforcement. Consequently, steel rebars are frequently employed in high-security facility construction, facilitating the establishment of a sturdy and safeguarded infrastructure.

Q: Can steel rebars be used in railway bridge construction?: Absolutely, railway bridge construction can utilize steel rebars. In the construction sector, steel rebars are frequently employed to strengthen concrete structures, such as bridges. Railway bridges necessitate exceptional strength and durability to endure heavy loads, continual vibrations, and strains triggered by passing trains. By reinforcing concrete structures, steel rebars augment their ability to bear loads and safeguard the long-term structural soundness of the bridge. Furthermore, steel rebars can be readily tailored to cater to the precise design prerequisites of railway bridges, making them a fitting option for construction in this particular setting.

Q: How are steel rebars used in the construction of dams?: The construction of dams relies heavily on steel rebars, as they offer the necessary strength and stability to the structure. Dams, which are massive concrete constructions designed to contain water for various purposes like hydroelectric power generation, irrigation, and flood control, greatly benefit from the presence of steel rebars. Steel rebars, also referred to as reinforcing bars, are essential in reinforcing the concrete and enhancing its ability to withstand tension. Although concrete is excellent at withstanding compression, it is relatively weak when it comes to tension. This is where steel rebars come into play, as they are strategically positioned inside the concrete structure to counteract any tensile forces that may lead to cracks or failure. Typically, in the construction of dams, steel rebars are embedded within the concrete in a crisscross manner, forming a network of reinforcement. This configuration helps to evenly distribute the load and resist the immense pressure exerted by the water behind the dam. By reinforcing the concrete, steel rebars ensure that the dam can withstand various forces, including the weight of the water, water pressure, and external factors such as earthquakes. Moreover, steel rebars also serve to prevent cracks from spreading within the concrete. In the event of minor cracks caused by environmental factors or settlement, the rebars act as a barrier, preventing the cracks from expanding and compromising the structural integrity of the dam. To ensure their strength and durability, steel rebars used in dam construction must meet specific standards and specifications. Typically, they are made from high-strength steel capable of withstanding the immense pressures and forces encountered during dam construction. In conclusion, the presence of steel rebars is vital in the construction of dams as they reinforce the concrete, provide the necessary strength and stability, and prevent the propagation of cracks. Their strategic placement and configuration aid in load distribution, tension resistance, and the maintenance of the dam's structural integrity and reliability.

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