EPS roof sandwich panel

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EPS sandwich panel production process adopts the colored steel plate as surface board, and the core material is the self-extinguishing closed cell polystyrene foam, It is a kind of high-strength composited building materials, and it was formed in the automated continuous molding machine, by combining the pressed colored steel with the High Strength Adhesives. It has the characteristics of complete insulation and fire-proof, fast construction speed, durability, and beautiful appearance, etc.

The above sandwich panels have been widely used in warehouses, factories, exhibition hall, prefabricated house, container houses and other industrial and civil buildings

One: Technical Specifications

1.Density: 8-24 kg/m3

2.Coefficient of thermal conductivity:k=0.025W/m.k

3.Compressive strength: 2.0 kg/cm2

4.Dimensional stability under low tempeaturelinear change rate,-25.24hr: 1.0,%

5.Water absorptionV/V,24hr:,30%

6.Fire retardance (Oxygen index) 26 B2 Grade

Two: Specification:

Steel sheet: up/bottom 0.3-0.6mm,colored steel plate, pained and galvanized

Insulated material: polyurethane (PU), Density: 10-30 kg/m3

Style: H- style board, match board

Width: match board, 950mm,960mm,1150mm (Effective width)H- style board, 1000mm,1200mm (Effective width)

Thickness: match board, 30-200mm; H-style board, 25-100mm

Length: According to the requirements and transportation terms

Color: According to the requirements (Regular color is White Gray, Navy)

Q:How are steel structures used in sports and recreational facilities?: Steel structures are widely used in sports and recreational facilities due to their strength, durability, and versatility. They are commonly used in the construction of stadiums, arenas, gymnasiums, and indoor sports complexes, providing a safe and reliable framework for these facilities. Steel's high load-bearing capacity allows for large clear spans and open spaces, accommodating various sporting activities and seating arrangements. Moreover, steel structures can be easily customized and modified to meet specific design requirements, making them ideal for creating unique and iconic sports venues.

Q:What are the different methods of steel structure fire protection?: There are several methods of fire protection for steel structures, including the use of fire-resistant coatings, spray-applied fireproofing, and intumescent coatings. Fire-resistant coatings are typically applied to the surface of the steel to provide a protective shield against heat and flames. Spray-applied fireproofing involves the application of a cementitious material that provides insulation and prevents the steel from reaching high temperatures. Intumescent coatings, on the other hand, expand when exposed to heat, forming a char layer that insulates the steel from the fire. These methods are commonly used to enhance the fire resistance of steel structures and ensure their structural integrity during a fire event.

Q:What are the design considerations for steel structures in hot climates?: In hot climates, there are several important design considerations for steel structures. Firstly, the choice of materials should prioritize those that can withstand high temperatures and resist corrosion, such as weathering steel or stainless steel. Additionally, proper insulation and ventilation systems should be incorporated to minimize heat transfer and maintain a comfortable indoor environment. Adequate shading and sun protection measures, such as overhangs or louvers, should also be implemented to reduce solar heat gain and prevent thermal discomfort. Lastly, the design should consider the potential for expansion and contraction of steel due to temperature fluctuations, and appropriate measures should be taken to accommodate these movements and prevent structural damage.

Q:What is the performance and function of steel structure engineering?: Resistant to 70 meters per second hurricane, steel structure wind resistance: steel structure construction light weight, high strength, overall rigidity, deformation ability. The weight of the building is only 1/5 of that of the brick concrete structure. Maintain the life and property effectively.

Q:How is steel protected from corrosion in structures?: Various methods are employed to protect steel from corrosion in structures. One commonly used approach is to apply protective coatings, such as paint or epoxy, onto the steel surface. These coatings serve as a barrier between the steel and the corrosive elements in the environment, effectively reducing the risk of corrosion by preventing direct contact. Additionally, these coatings can enhance the structure's visual appeal and overall durability. Another method of corrosion protection involves galvanization, wherein a layer of zinc is applied to the steel through a process known as hot-dip galvanizing. The zinc coating acts sacrificially, meaning it corrodes in place of the steel. This sacrificial corrosion process significantly slows down the rate of corrosion, thereby prolonging the steel's lifespan. Cathodic protection is another approach used to safeguard steel structures against corrosion. In this method, the steel is connected to a sacrificial anode, typically composed of a more reactive metal like zinc or magnesium. By sacrificing itself, the anode ensures a continuous supply of electrons to the steel, effectively inhibiting the corrosion process. Cathodic protection is particularly useful in highly corrosive environments, such as marine or underground structures. Regular maintenance and inspection are also critical in preventing corrosion in steel structures. This entails surface cleaning, repairing any damaged coatings, and ensuring proper drainage to prevent moisture accumulation. By implementing these protective measures, the lifespan and structural integrity of steel can be significantly extended in various applications.

Q:Can steel structures be designed to be earthquake-resistant?: Yes, steel structures can be designed to be earthquake-resistant. Steel is a highly versatile and durable material that can absorb and dissipate seismic forces, making it highly suitable for earthquake-resistant designs. Engineers can incorporate various techniques like base isolation, damping systems, and bracing to enhance the seismic performance of steel structures. Additionally, steel structures can be designed to flex and bend during an earthquake, allowing them to better withstand the seismic forces and minimize damage.

Q:How are steel structures used in temporary and modular buildings?: Steel structures are widely used in temporary and modular buildings due to their strength, durability, and versatility. Temporary and modular buildings are often required in situations where there is a need for quick and efficient construction, such as disaster relief, construction sites, and events. Steel structures provide a solid framework that can be easily assembled and disassembled, making them ideal for temporary and modular buildings. The use of steel ensures that these structures can withstand various weather conditions and offer a stable and secure environment. In temporary buildings, steel structures are commonly used for the main framework, walls, and roof. The steel framework provides the necessary structural support, while the walls and roof can be made from steel panels or other materials that can be easily attached and detached as needed. This allows for quick assembly and disassembly, making temporary buildings highly portable and adaptable. Modular buildings, on the other hand, are constructed by assembling pre-fabricated steel modules. These modules are built off-site and can be easily transported to the desired location. Once on-site, the modules are connected to form a complete building. The use of steel ensures that these modules are robust and can be easily transported without any damage. Steel structures also offer flexibility in terms of design and customization. They can be easily modified or expanded to meet specific requirements. This is especially beneficial for temporary and modular buildings, as they can be tailored to fit different purposes and sizes. Furthermore, steel structures are known for their sustainability. Steel is a recyclable material, making it an environmentally friendly choice. It can be reused in future construction projects, reducing waste and promoting a circular economy. In conclusion, steel structures are essential in temporary and modular buildings due to their strength, durability, versatility, and sustainability. They provide a solid framework that allows for quick assembly and disassembly, making these buildings highly portable and adaptable. Steel structures also offer flexibility in design and customization, ensuring that these buildings can be tailored to specific needs.

Q:What are the considerations for designing steel structures for industrial applications?: When it comes to designing steel structures for industrial applications, there are several important factors that must be taken into consideration. These factors include: 1. Load Capacity: It is crucial to determine the structure's ability to safely support heavy machinery, equipment, and materials commonly found in industrial settings. 2. Structural Integrity: The design of steel structures should account for various environmental conditions, such as wind, seismic activity, and temperature fluctuations. Proper design techniques and material selection are necessary to ensure structural integrity. 3. Durability: Industrial environments can be harsh, exposing structures to chemicals, moisture, and corrosive agents. To ensure long-term durability, it is important to choose steel with suitable resistance to corrosion and other forms of degradation. 4. Flexibility: Industrial applications often involve dynamic processes and changing requirements. By designing structures with flexibility in mind, future modifications and expansions can be made without compromising integrity or functionality. 5. Safety: Industrial facilities typically have strict safety regulations. Design considerations should include the incorporation of safety features, such as fire-resistant materials, proper spacing for evacuation routes, and adherence to relevant codes and standards. 6. Maintenance: The ease of maintenance and inspection should be taken into account during the design process. The inclusion of access points and sufficient space for maintenance activities is essential. 7. Cost: While meeting all technical requirements, it is important to consider the cost-effectiveness of the design. Reducing overall costs can be achieved by optimizing the design to minimize material usage and simplify construction processes. 8. Environmental Impact: Sustainable design practices should be prioritized, including the use of recycled materials, energy efficiency, and minimizing the carbon footprint of the structure. In conclusion, designing steel structures for industrial applications requires careful consideration of load capacity, structural integrity, durability, flexibility, safety, maintenance, cost, and environmental impact. By addressing these considerations, engineers can create efficient and reliable structures that meet the specific needs of industrial applications.

Q:What are the different types of steel columns used in steel structures?: There are several types of steel columns used in steel structures, including rolled steel sections (such as I-sections, H-sections, and channel sections), welded plate sections, and composite columns (consisting of a steel section encased in concrete). Each type of column has its own advantages and applications depending on factors such as load-bearing capacity, structural design requirements, and the specific needs of the project.

Q:How are steel structures used in research and laboratory buildings?: Steel structures are widely used in research and laboratory buildings due to their numerous advantages. Firstly, steel is known for its strength and durability, making it an ideal material for supporting heavy scientific equipment and machinery. This allows for the construction of large open spaces without the need for excessive columns or walls, providing flexibility for future modifications or reconfigurations of the building layout. Additionally, steel structures offer a high level of precision and accuracy, which is crucial in research and laboratory settings. The dimensional stability of steel ensures that measurements and experiments are not affected by structural deformations over time. This is especially important in environments where sensitive instruments and equipment are used, as even the slightest movement or vibration can compromise the accuracy of results. Steel also possesses excellent fire resistance properties, which is essential for laboratory buildings where hazardous materials are handled. Steel structures can be designed to meet specific fire resistance requirements, ensuring the safety of researchers and preventing the spread of fire in case of an accident or malfunction. Moreover, steel structures are relatively lightweight compared to other construction materials, allowing for faster and more efficient construction processes. This is particularly advantageous for research and laboratory buildings where time is a critical factor in project completion. The use of steel also reduces the need for extensive foundations, resulting in cost savings and less disruption to the surrounding environment. In terms of sustainability, steel structures are highly recyclable and can be reused or repurposed after their useful life, minimizing waste and reducing the environmental impact. Steel also has a lower carbon footprint compared to other materials commonly used in construction, making it a more sustainable choice for research and laboratory buildings. Overall, the use of steel structures in research and laboratory buildings offers numerous benefits, including strength, durability, precision, fire resistance, efficiency, and sustainability. These advantages make steel a preferred choice for creating safe, adaptable, and functional spaces that meet the unique requirements of research and laboratory facilities.

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