City Overpass Steel Structure
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10000 square meters m.t.
- Supply Capability:
- 50000 Square Meters/ Month m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specifications of city overpass steel structure
Project type: city overpass
Bridge height: 5M
Span: 60M
Design load: crowd 4.5KN/M2, one-side handrail 5.0 KN/m
Structure type: the main bridge is continuous girder bridge, with one stairway at both ends. The main bridge adopts three-span layout. Stairways are made of continuous steel girder structure.
1. GB standard material
2. High Structural safety and reliability
3. The production can reach GB/JIS/ISO/ASME standard
Packaging & Delivery of city overpass steel structure
1. According to the project design and the component size, usually the main component parts are nude packing and shipped by bulk vessel. And the small parts are packed in box or suitable packages and shipped by containers.
2. This will be communicated and negotiated with buyer according to the design.
Engineering Design Software of city overpass steel structure
Tekla Structure \ AUTO CAD \ PKPM software etc
⊙Complex spatial structure project detailed design
⊙Construct 3D-model and structure analysis. ensure the accuracy of the workshop drawings
⊙Steel structure detail ,project management, automatic Shop Drawing, BOM table automatic generation system.
⊙Control the whole structure design process, we can obtain higher efficiency and better results
Technical support of city overpass steel structure
|
Worker |
Rate of frontline workers with certificate on duty reaches 100% |
|
Welder |
186 welders got AWS & ASME qualification 124 welders got JIS qualification 56 welders got DNV &BV qualification |
|
Technical inspector |
40 inspectors with UT 2 certificate 10 inspectors with RT 2 certificate 12 inspectors with MT 2 certificate 3 inspectors with UT3 certificate |
|
Engineer |
21 engineers with senior title 49 engineers with medium title 70 engineers with primary title. 61 First-Class Construction Engineers 182 Second-Class Construction Engineers |
|
International certification |
10 engineers with International Welding engineer, 8 engineers with CWI. |
Production Flow of steel structure/steel frame/steel construction
Material preparation—cutting—fitting up—welding—component correction—rust removal—paint coating—packing—to storage and transportation (each process has the relevant inspection)
Usage/Applications of steel structure/steel frame/steel construction
*Characters of Structure Steel
1. Steel is characterized by high strength, light weight, good rigidity, strong deformation capacity, so it is suitable for construction of large-span, super high and super-heavy buildings particularly;
2. It with good homogeneous and isotropic, is an ideal elastomer which perfectly fits the application of general engineering;
3. The material has good ductility and toughness, so it can have large deformation and it can well withstand dynamic loads;
4. Steel structure’s construction period is short;
5. Steel structure has high degree of industrialization and can realize-specialized production with high level of mechanization.
*Steel structure application
1. Heavy industrial plants: relatively large span and column spacing; with a heavy duty crane or large-tonnage cranes; or plants with 2 to 3 layers cranes; as well as some high-temperature workshop should adopt steel crane beams, steel components, steel roof, steel columns, etc. up to the whole structure.
2. Large span structure: the greater the span of the structure, the more significant economic benefits will have by reducing the weight of the structure
3. Towering structures and high-rise buildings: the towering structure, including high-voltage transmission line towers, substation structure, radio and television emission towers and masts, etc. These structures are mainly exposed to the wind load. Besides of its light weight and easy installation, structure steel can bring upon with more economic returns by reducing the wind load through its high-strength and smaller member section.
4. Structure under dynamic loads: As steel with good dynamic performance and toughness, so it can be used directly to crane beam bearing a greater or larger span bridge crane
5. Removable and mobile structures: Structure Steel can also apply to movable Exhibition hall and prefabricated house etc by virtue of its light weight, bolt connection, easy installation and uninstallation. In case of construction machinery, it is a must to use structure steel so as to reduce the structural weight.
6. Containers and pipes: the high-pressure pipe and pipeline, gas tank and boiler are all made of steel for the sake of its high strength and leakproofness
7. Light steel structure: light steel structures and portal frame structure combined with single angle or thin-walled structural steel with the advantages of light weight, build fast and steel saving etc., in recent years has been widely used.
8. Other buildings: Transport Corridor, trestle and various pipeline support frame, as well as blast furnaces and boilers frameworks are usually made of steel structure.
All in all, according to the reality, structure steel is widely used for high, large, heavy and light construction.
- Q:What are the key considerations in the design of steel structures for cultural facilities?
- Some key considerations in the design of steel structures for cultural facilities include the need for flexibility and adaptability to accommodate various types of events and exhibitions, the requirement for large open spaces and clear spans to allow for artistic installations and performances, the consideration of acoustics and sound isolation to ensure optimal audio experiences, the incorporation of sustainable design principles to minimize environmental impact, and the use of innovative construction techniques to create visually striking and iconic structures that contribute to the cultural identity of the facility.
- Q:What are the different types of steel framing systems used in construction?
- There are several types of steel framing systems used in construction, including structural steel frames, light gauge steel frames, and cold-formed steel frames. Structural steel frames are commonly used for large-scale buildings and offer high strength and durability. Light gauge steel frames, on the other hand, are used for smaller structures and residential buildings due to their lightweight nature. Cold-formed steel frames are made by bending thin steel sheets into the desired shape and are often used for non-load-bearing walls and partitions.
- Q:What are the design considerations for steel disaster-resistant buildings?
- Some key design considerations for steel disaster-resistant buildings include: 1. Structural robustness: The building should be designed to withstand extreme forces, such as strong winds, earthquakes, or explosions. Steel offers high strength and ductility, making it an ideal material for withstanding these forces. 2. Redundancy: Incorporating redundancy in the structural system ensures that even if one component fails, the building can still bear loads and remain stable. This can be achieved through redundant steel framing or by integrating alternative load paths. 3. Connection design: Properly designed connections between steel members are crucial to ensure the overall stability and resistance of the building. Connections should be able to withstand the anticipated forces and maintain their integrity during a disaster. 4. Fire resistance: Steel buildings should be designed to resist the effects of fire, as fires can weaken the structural integrity of steel. Fire-resistant coatings or insulation can be applied to protect the steel from high temperatures and prolong its load-bearing capacity. 5. Flexibility and ductility: Steel structures should be designed to be flexible and ductile, allowing them to absorb and dissipate energy during a disaster. This helps to mitigate the potential for sudden and catastrophic failure. 6. Adequate foundation design: A strong and well-designed foundation is essential for disaster-resistant steel buildings. The foundation should be able to resist both vertical and lateral loads, ensuring the stability of the entire structure. 7. Seismic design: In earthquake-prone regions, special attention should be given to seismic design considerations. Steel buildings should be designed to resist lateral forces and ground motion, incorporating seismic dampers or energy dissipation devices when necessary. By considering these factors, designers can create steel buildings that are capable of withstanding various disasters, safeguarding lives and minimizing damage.
- Q:What are the considerations for designing steel high-rise buildings?
- When designing steel high-rise buildings, several key considerations must be taken into account. These include structural integrity, fire resistance, wind resistance, seismic design, building codes and regulations, material choice, sustainability, construction methods, and cost-effectiveness. It is crucial to ensure that the structure can withstand the loads and forces imposed on it, provide adequate fire protection measures, and incorporate seismic design principles to mitigate potential earthquake damage. Adherence to building codes and regulations is essential to ensure safety and compliance. The choice of materials should prioritize strength, durability, and resistance to corrosion. Incorporating sustainable design practices can enhance energy efficiency and reduce environmental impact. Construction methods need to be efficient and safe, considering factors such as site logistics and crane access. Lastly, cost-effectiveness is crucial to ensure the project remains within budget while meeting all the necessary requirements and quality standards.
- Q:What is the difference between hot-rolled and cold-formed steel structures?
- Hot-rolled and cold-formed steel structures differ in several key aspects. Firstly, the manufacturing process for each type of steel structure is distinct. Hot-rolled steel structures are produced by heating the steel billets to extremely high temperatures and then rolling them into the desired shape. This process results in a more malleable and ductile steel, allowing for a wider range of shapes and sizes to be produced. On the other hand, cold-formed steel structures are made by bending or forming the steel at room temperature. This process involves passing the steel through a series of rollers to achieve the desired cross-sectional shape. Cold-formed steel structures typically have a thinner gauge compared to hot-rolled structures and are primarily used for lightweight applications. Another significant difference is the mechanical properties of the two types of steel. Hot-rolled steel structures exhibit higher tensile strength and yield strength compared to cold-formed steel structures. This enhanced strength is due to the heat treatment during the manufacturing process, which aligns the grain structure and increases the overall strength of the steel. Furthermore, hot-rolled steel structures have better resistance to corrosion and fire compared to cold-formed steel structures. The high-temperature treatment during manufacturing forms a protective oxide layer on the surface of hot-rolled steel, which acts as a barrier against corrosion. Cold-formed steel structures, however, require additional measures such as coatings or galvanization to enhance their corrosion resistance. In terms of cost, cold-formed steel structures are typically more economical compared to hot-rolled steel structures. The simpler manufacturing process and the use of thinner gauge steel contribute to reduced material and labor costs for cold-formed structures. Overall, the choice between hot-rolled and cold-formed steel structures depends on the specific application and design requirements. Hot-rolled steel structures offer greater strength and versatility but are generally more expensive. Cold-formed steel structures, while lighter and more cost-effective, may be limited in terms of load-bearing capacity and corrosion resistance.
- Q:How are steel structures designed to resist impact loads?
- Various techniques and considerations are employed in the design of steel structures to withstand impact loads. The following are key aspects of their design: 1. Material Selection: Steel, renowned for its high strength and ductility, is an ideal choice for structures that must endure impact loads. The appropriate steel grade selection is vital to ensure desired impact resistance. For impact-resistant structures, higher strength steels like ASTM A572 or A913 grades are often utilized. 2. Structural Geometry: The shape and geometry of steel members significantly influence their ability to resist impact loads. Curved or tapered members distribute the load more effectively, reducing stress concentration. Moreover, increasing the depth or thickness of steel members can enhance their impact resistance. 3. Connection Design: Properly designed connections between steel members are crucial in facilitating the transfer of impact forces throughout the structure. Welded connections are frequently preferred for their superior load transfer characteristics and minimal potential failure points. 4. Redundancy and Redirection: Incorporating redundancy in the design of steel structures ensures that the load is distributed among multiple members, minimizing the risk of localized failure. Additionally, structures can be designed to redirect impact forces away from critical components, thereby minimizing damage. 5. Energy Absorption: Steel structures can be designed to absorb and dissipate impact energy, thereby reducing transmitted forces. This can be achieved through the use of energy-absorbing materials like rubber or foam, or by incorporating sacrificial elements that deform under impact. 6. Dynamic Analysis: In certain cases, dynamic analysis is conducted to evaluate the response of the structure to impact loads. By considering the dynamic behavior of the structure, engineers can optimize its design to minimize the effects of impact. 7. Testing and Simulation: Physical testing or computer simulations can be employed to assess the response of steel structures to impact loads. This enables engineers to identify potential weaknesses and make necessary design modifications to enhance impact resistance. Overall, a combination of material selection, proper geometry, connection design, redundancy, energy absorption techniques, dynamic analysis, and testing/simulation is employed in the design of steel structures that can effectively resist impact loads. These measures ensure the safety and durability of the structure, even under extreme conditions.
- Q:How are steel structures designed for soil-structure interaction?
- Steel structures are designed for soil-structure interaction by considering the properties and behavior of the soil as well as the structural requirements. Engineers analyze the soil characteristics such as its bearing capacity, settlement, and lateral resistance to determine the loads that the structure will experience. This information is then used to design appropriate foundation systems, including footings or piles, that can distribute the loads from the steel structure to the soil effectively. By understanding and accounting for the interaction between the steel structure and the soil, engineers can ensure the stability, safety, and performance of the overall system.
- Q:What are the design considerations for steel footbridges and overpasses?
- When designing steel footbridges and overpasses, there are several key considerations that need to be taken into account. These include: 1. Structural Integrity: The primary concern when designing any bridge is ensuring its structural integrity. Steel is often chosen for footbridges and overpasses due to its high strength-to-weight ratio. The design must be able to withstand the anticipated loads, including pedestrian traffic and potential dynamic loads such as winds, earthquakes, or vibrations caused by nearby traffic. 2. Span Length: The span length of the bridge is an important factor in determining the design and construction method. Longer spans may require additional support systems, such as piers or suspension cables, to ensure stability and prevent excessive deflection. 3. Pedestrian Safety: The safety of pedestrians using the footbridge is paramount. Design considerations include the width of the bridge, the presence of handrails, and the inclusion of non-slip surfaces to prevent accidents. Accessibility features, such as ramps or elevators for individuals with disabilities, should also be incorporated into the design. 4. Aesthetics: Footbridges and overpasses often serve as prominent features in urban landscapes, so their visual appeal should be considered. The design should harmonize with the surrounding environment, taking into account the architectural style and materials used in nearby structures. 5. Maintenance and Durability: Steel footbridges and overpasses require regular maintenance to ensure their longevity. The design should facilitate easy access for inspections, repairs, and repainting. Proper corrosion protection measures, such as anti-rust coatings or galvanization, should also be considered to extend the lifespan of the structure. 6. Environmental Impact: The design should seek to minimize the environmental impact of the footbridge or overpass. This could include the use of sustainable materials, energy-efficient lighting, and incorporating green infrastructure such as vegetation or rainwater harvesting systems. 7. Cost: The cost of the design, construction, and maintenance of the footbridge or overpass is a crucial consideration. The design should aim to achieve an optimal balance between cost and functionality, ensuring that the project remains within budget constraints. By carefully considering these design considerations, engineers can create safe, functional, and visually appealing steel footbridges and overpasses that meet the needs of pedestrians and enhance the overall urban environment.
- Q:How do steel structures perform in fire conditions?
- Steel structures generally perform well in fire conditions compared to other building materials such as wood or concrete. This is primarily due to the high melting point and heat resistance of steel. When exposed to fire, steel structures initially experience a loss of strength as the temperature increases. However, they still retain a significant amount of load-carrying capacity even at elevated temperatures. Unlike materials like wood, steel does not burn or contribute to the fire, which helps prevent the rapid spread of flames. Steel structures also have a unique characteristic known as thermal expansion. When heated, steel expands, which can help to dissipate the heat and maintain structural integrity. This expansion can be accommodated by the flexibility of steel connections and the overall design of the structure. In addition, steel structures are often protected with fire-resistant coatings or insulating materials to further enhance their fire performance. These coatings help delay the transfer of heat to the steel members, providing additional time for evacuation and firefighting efforts. It is important to note that the fire resistance of steel structures depends on several factors, including the fire load, duration of exposure, and design considerations. Therefore, fire safety regulations and building codes play a crucial role in ensuring the appropriate fire protection measures are in place for steel structures. Overall, steel structures have proven to be reliable and resilient in fire conditions. By incorporating proper fire protection measures, such as coatings and insulation, steel buildings can withstand fires and provide a safer environment for occupants.
- Q:How do steel structures contribute to the overall sustainability of a building?
- Steel structures contribute to the overall sustainability of a building in several ways. Firstly, steel is a highly durable material that has a long lifespan, meaning that steel structures require less maintenance and replacement over time compared to other building materials. This durability reduces the need for frequent repairs and renovations, thereby reducing the overall environmental impact of the building. Additionally, steel is a recyclable material. At the end of a building's life cycle, steel structures can be easily deconstructed and the steel can be recycled and used for other purposes. This reduces the amount of waste generated by the demolition process and minimizes the depletion of natural resources. Steel structures also offer design flexibility, allowing for efficient use of space and the ability to adapt to changing needs. This flexibility means that buildings can be easily modified or expanded without the need for extensive demolition or reconstruction. This adaptability reduces construction waste and contributes to the overall sustainability of the building. Furthermore, steel is a lightweight material compared to other construction materials such as concrete. This lightweight nature allows for easier transportation and assembly, reducing the energy consumed during construction and minimizing carbon emissions during transportation. Lastly, steel structures are highly resistant to fire, earthquakes, and other natural disasters. By providing a safe and secure environment, steel structures increase the longevity of a building and reduce the need for rebuilding after a disaster. This resilience contributes to the overall sustainability of a building by minimizing the environmental impact of rebuilding and reducing the risk to human life. In conclusion, steel structures contribute to the overall sustainability of a building through their durability, recyclability, design flexibility, lightweight nature, and resilience. By choosing steel as a building material, we can create structures that are not only environmentally friendly but also cost-effective and safe for occupants.
1. Manufacturer Overview |
|
|---|---|
| Location | SHANDONG,China |
| Year Established | 2008 |
| Annual Output Value | Above US$20 Billion |
| Main Markets | WEST AFRICA,INDIA,JAPAN,AMERICA |
| Company Certifications | ISO9001:2008;ISO14001:2004 |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | TIANJIN PORT/ QINGDAO PORT |
| Export Percentage | 0.6 |
| No.of Employees in Trade Department | 3400 People |
| Language Spoken: | English；Chinese |
| b)Factory Information | |
| Factory Size: | Above 150,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Average, High |
Send your message to us
City Overpass Steel Structure
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10000 square meters m.t.
- Supply Capability:
- 50000 Square Meters/ Month m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
New products
Hot products
Related keywords
