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:What are the different types of steel brackets used in steel structures?: There are several types of steel brackets used in steel structures, including angle brackets, T-plates, corner brackets, gusset plates, and beam brackets. These brackets serve various purposes such as providing support, connecting beams or columns, and reinforcing joints in steel structures.

Q:What are the design considerations for steel healthcare campuses?: When designing steel healthcare campuses, there are several important considerations that need to be taken into account. These considerations include: 1. Structural Integrity: Steel is a strong and durable material that can withstand heavy loads and provide a safe environment for patients and staff. Designing the campus with the right steel structures and connections is crucial to ensure the overall structural integrity of the buildings. 2. Flexibility and Adaptability: Healthcare facilities often need to be flexible and adaptable to accommodate changing needs and advancements in medical technology. Steel structures offer the ability to easily modify and expand the buildings as required, allowing healthcare campuses to evolve with the changing demands of the industry. 3. Life Safety and Fire Protection: Healthcare facilities must prioritize life safety and fire protection. Steel structures can be designed with fire-resistant coatings and fire-rated assemblies to enhance the safety of the campus. Additionally, steel's inherent strength can provide a robust framework to support emergency evacuation systems and fire suppression equipment. 4. Infection Control: In healthcare settings, preventing the spread of infections is paramount. Designing steel healthcare campuses with smooth and easily cleanable surfaces can help reduce the risk of bacterial growth and improve infection control measures. Additionally, steel structures can be designed to allow for proper ventilation and air circulation, further mitigating the spread of airborne pathogens. 5. Sustainability and Energy Efficiency: Designing steel healthcare campuses with sustainability in mind can lead to reduced energy consumption and lower operating costs. Steel structures can be designed to maximize natural light, incorporate efficient insulation systems, and accommodate renewable energy sources such as solar panels or geothermal systems. Additionally, steel is a highly recyclable material, contributing to the overall sustainability of the campus. 6. Noise Control: Healthcare facilities require a quiet and peaceful environment to promote healing and patient comfort. Steel structures can be designed to minimize noise transmission by incorporating soundproofing materials and techniques. This is particularly important in areas such as patient rooms, operating theaters, and diagnostic imaging departments. 7. Aesthetics: While functionality and safety are crucial, the design of a healthcare campus should also consider the aesthetic aspects. Steel structures can offer a modern and sleek appearance while providing the necessary strength and durability. Additionally, steel can be used in combination with other materials, such as glass or wood, to create visually appealing and inviting spaces. In conclusion, when designing steel healthcare campuses, it is essential to consider structural integrity, flexibility, life safety and fire protection, infection control, sustainability and energy efficiency, noise control, and aesthetics. By carefully considering these design considerations, healthcare campuses can be created to provide a safe, functional, sustainable, and aesthetically pleasing environment for patients, staff, and visitors.

Q:What is the role of steel in water and wastewater treatment plants?: Water and wastewater treatment plants heavily rely on steel due to its unique properties and characteristics. To begin with, steel is essential for constructing vital structures like tanks, pipes, and pumps. These components are crucial for the operation of such facilities and steel's high strength and durability make it perfect for handling the demanding requirements of water and wastewater treatment processes. Steel tanks are commonly employed for storing water and wastewater as they possess resistance against corrosion, leakage, and degradation. The protective oxide layer of steel prevents any reaction between the tank and water or chemicals, ensuring the integrity of the storage system. Furthermore, steel tanks can withstand high pressures and temperature fluctuations, making them suitable for a wide range of applications. Steel pipes are extensively used for transporting water and wastewater throughout the treatment plant. Compared to other materials, steel pipes offer excellent resistance to corrosion and are less prone to clogging. They can also handle high flow rates, pressures, and various chemical environments, facilitating the smooth and efficient movement of water and wastewater within the facility. Steel is also employed in the manufacturing of pumps, which are vital for the movement of water and wastewater throughout the treatment process. The strength and reliability of steel components within pumps ensure their longevity and efficient operation. Additionally, steel's resistance to corrosion and erosion enables pumps to handle different liquids, including corrosive chemicals and abrasive solids. Another significant role of steel in water and wastewater treatment plants is in the construction of screening and filtration systems. Steel screens and filters effectively eliminate debris, solids, and contaminants from the water, guaranteeing its quality before further treatment. The robustness and longevity of steel mesh or plates make them ideal for this purpose, as they can endure constant water flow and the cleaning processes necessary to maintain their efficiency. In conclusion, steel's strength, durability, and resistance to corrosion make it an indispensable material in water and wastewater treatment plants. Its usage in tanks, pipes, pumps, and screening systems ensures the smooth and efficient operation of these facilities, contributing to the provision of clean and safe water for various purposes.

Q:How are steel structures designed to be resistant to progressive collapse?: Careful engineering and the implementation of various design strategies are utilized in the construction of steel structures to ensure their resistance to progressive collapse. Progressive collapse refers to the scenario in which a structure fails due to the localized failure of a primary structural element, leading to the collapse of adjacent elements and potentially causing widespread damage. To guarantee resistance against progressive collapse, several important design considerations are taken into account: 1. Redundancy: Steel structures are designed with redundancy in mind, incorporating multiple load paths into the design. This allows the structure to redistribute loads in the event of a localized failure, preventing the propagation of failure and limiting the extent of damage. 2. Robustness: The concept of robustness in structural design involves ensuring that the structure can withstand unexpected events or extreme loads. Steel structures are designed with robust connections and detailing, enhancing their ability to resist progressive collapse. By providing robustness, the structure can absorb and distribute the energy generated during a local failure, minimizing its impact on overall stability. 3. Continuity: The proper connection and integration of different structural elements play a crucial role in preventing progressive collapse. In steel structures, continuity is achieved by effectively connecting beams, columns, and other components, reducing the risk of localized failure and subsequent collapse. 4. Ductility and Energy Absorption: Steel possesses excellent ductility, allowing it to deform and absorb energy under extreme loading conditions. This ductility is utilized in the design of steel structures to enhance their resistance against progressive collapse. By allowing controlled deformation, the structure can absorb and dissipate the energy generated during a localized failure, preventing its propagation. 5. Advanced Analysis Techniques: Modern engineering practices employ advanced analysis techniques, such as finite element analysis, to evaluate the behavior of steel structures under different loading scenarios. These techniques help identify potential weak points and areas susceptible to progressive collapse, enabling engineers to make necessary design modifications or reinforce critical elements. By incorporating these design strategies, steel structures can effectively resist progressive collapse, ensuring the safety and integrity of the overall structure even in the event of localized failures.

Q:How are steel structures designed to withstand high winds?: Steel structures are designed to withstand high winds by incorporating several key design considerations. First, the shape and geometry of the structure play a crucial role. Steel buildings are typically designed with aerodynamic shapes, such as curved surfaces or tapered profiles, to minimize wind drag and turbulence. This reduces the overall wind load on the structure. In addition, engineers analyze the wind patterns and velocities specific to the site where the structure will be erected. This data is used to determine the maximum expected wind loads that the structure will experience. These loads are then used to design the structural elements, such as beams, columns, and connections, to withstand the anticipated forces. Steel structures also employ various strategies to enhance their resistance to wind loads. Bracing systems, such as diagonal or cross-bracing, are commonly utilized to increase overall stability and rigidity. These braces help to distribute the wind forces evenly throughout the structure, preventing localized damage. Another important aspect is the selection of appropriate materials. High-strength steel with excellent ductility is often chosen for its ability to absorb and dissipate energy during wind events. This ensures that the structure remains resilient and minimizes the risk of failure. Furthermore, connections between structural members are meticulously designed to provide adequate strength and stiffness. The connections must be able to transfer the wind forces from one member to another without compromising the overall stability of the structure. Lastly, regular inspections and maintenance are essential to ensure the ongoing integrity of steel structures in high wind zones. Periodic checks help identify any potential issues or signs of damage, allowing for timely repairs or strengthening measures to be taken. Overall, the design of steel structures to withstand high winds involves a combination of aerodynamic considerations, thorough analysis of wind loads, appropriate material selection, effective bracing systems, and robust connections. By incorporating these elements, steel structures can be designed to safely withstand the forces generated by high winds.

Q:How are steel structures designed for conveyor systems?: Steel structures for conveyor systems are typically designed by considering various factors such as the load capacity, conveyor speed, desired layout, and environmental conditions. Engineers use computer-aided design (CAD) software to create a 3D model, which helps in visualizing and analyzing the structure. They determine the appropriate size and type of steel members, such as beams, columns, and trusses, based on the calculated loads and stresses. The design also includes considerations for safety, maintenance access, and integration with other equipment. Overall, the design process ensures that the steel structure is robust, efficient, and meets the specific requirements of the conveyor system.

Q:Steel structure canopy belongs to the metal structure which component? Steel roof truss? Steel wall frame? Or steel grid?: If the main steel structure of the structure is bolt ball or welded ball, that is the steel space truss, and the steel space truss also belongs to the category of steel roof truss, but the steel net frame is more accurate;

Q:How are steel beams and columns connected in a steel structure?: Various methods are employed to connect steel beams and columns in a steel structure, depending on the specific design and engineering requirements. Welding, bolting, and riveting are the most commonly used methods of connection. Welding, a frequently employed technique, involves fusing the ends of the beams and columns together using high heat. This creates a strong and permanent connection, ensuring excellent structural integrity and a seamless and continuous connection between the steel members. Another popular method is bolting, which entails using bolts, nuts, and washers to join the ends of the members. Bolting provides flexibility as it allows for easy disassembly and reassembly of the structure if necessary. It is also cost-effective and guarantees a secure connection. While less prevalent in modern steel structures, riveting was extensively used in the past. It involves drilling holes in the steel members and using steel rivets to connect them. The rivets are heated and hammered into place, creating a durable and robust connection. Although labor-intensive and time-consuming, this method was commonly employed during the early days of steel construction. Apart from these primary methods, other connection techniques such as shear connectors, end plates, and moment connections are also utilized based on specific design requirements and structural loads. These connections are designed to ensure the stability, strength, and rigidity of the steel structure, enabling it to withstand external forces and loads. Overall, the connection of steel beams and columns in a steel structure is a crucial aspect of the construction process. Properly designed and executed connections guarantee the structural integrity and safety of the building, enabling it to endure the loads and forces it may encounter throughout its lifespan.

Q:What are the different methods of steel structure fire protection?: To ensure the safety and integrity of steel structures in the event of a fire, there are various commonly used methods of steel structure fire protection. These methods encompass: 1. Intumescent coatings, which are widely employed for fire protection of steel structures. These coatings are applied to the steel surface and expand when exposed to high temperatures. This expansion creates an insulating barrier that slows down heat transfer, offering additional time for evacuation and firefighting efforts. 2. Fire-resistant insulation materials, such as mineral wool or fiberglass, are commonly utilized to safeguard steel structures. These materials are installed around the steel components to provide insulation and prevent rapid fire propagation. By reducing heat transfer and shielding from direct flame exposure, they assist in maintaining the structural integrity of the steel. 3. Fireproofing sprays, composed of cementitious materials or fiber-reinforced polymers, constitute another method of steel structure fire protection. These sprays are applied onto the steel surface and form a durable protective layer. This layer acts as a barrier against flames and heat, minimizing damage to the steel structure. 4. Fire-resistant boards, including gypsum or calcium silicate boards, are often employed for the fire protection of steel structures. These boards are installed around the steel members to create a protective barrier against fire. They are effective in preventing heat transfer and can withstand high temperatures, thus safeguarding the steel structure. 5. Structural fire-resistant coatings, specifically designed for steel structures, are made of epoxy-based or cementitious materials. These coatings are directly applied to the steel surface and provide a heat-resistant layer. By slowing down the rate of temperature rise on the steel, they prevent structural failure. It is crucial to consider factors such as fire rating requirements, building codes, and the specific environment in which the structure is located when selecting the appropriate method for steel structure fire protection. Involving professional fire protection engineers and consultants is essential to ensure compliance with applicable regulations and to provide the necessary level of fire resistance for the steel structure.

Q:How are steel structures designed for blast-induced vibrations?: Steel structures are designed for blast-induced vibrations by considering the dynamic response of the structure to the blast load. This involves analyzing the blast loading characteristics, such as the magnitude, duration, and frequency content, and then designing the structure to withstand these loads. Various design techniques, such as dynamic analysis, material selection, and structural detailing, are employed to ensure the steel structure can effectively absorb and dissipate the energy generated by the blast, thus minimizing the impact of vibrations on the structure and its occupants.

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