Infrastructure
In modern urban infrastructure construction, steel structures have become the core supporting material in the public infrastructure sector due to their outstanding mechanical properties and green attributes. As a leading full-service provider in the industry, Henan No.1 ConstructionSteel Structure leverages high-strength steel and innovative technology to provide “safe, efficient, and green” steel structure solutions for public high-rise buildings, bridges, sports venues, airports, train stations, subway lines and stations along the route, thermal power plants, and other infrastructure projects. High-strength steel materials confer robust load-bearing capacity and seismic resilience to structures, while their modular design enables efficient construction schedules. The recyclable nature of these materials aligns seamlessly with sustainable development principles.
1. Five major infrastructure solutions scenarios and steel structure adaptation solutions
Among the diverse demands of urban infrastructure solution construction, steel structure has become the key to solving the problem with its flexible adaptability. From skyscrapers 100 meters high to bridge projects across rivers and seas, Henan No.1 ConstructionSteel Structure has developed special technical solutions for different scenarios.
- Odular emergency center: A quickly assembled steel structure building for disaster relief command or temporary medical treatment
- Dangerous building reinforcement: Steel structure solutions are often used for the safety renovation of existing public buildings.
- Multi-story parking garage: Rapid construction through modular steel structures can alleviate urban parking pressure.
- Educational and medical facilities: Schools, hospitals, and other buildings should be reinforced with steel structures, especially in areas with high earthquake intensity.
(I) Public Service Center: Steel-Concrete Multi-layer Structure
As urbanization accelerates, public service centers are gathering departments to facilitate citizens’ affairs, and the buildings where they are located are developing towards “higher, denser, and smarter”. The bottlenecks of traditional concrete structures in terms of construction period and space efficiency are becoming increasingly prominent. The steel-concrete multi-layer structure launched by Henan No.1 ConstructionSteel Structure provides an efficient solution for the construction of the city skyline.
| Core parameters | Technical advantages | Owner Value |
| Structural form | Steel frame + concrete core | Resistant to 12-magnitude typhoons and 8-magnitude earthquakes, suitable for high-intensity development in urban core areas |
| Construction period | 20-storey main structure completed in 12 months | 50% shorter than traditional concrete, early investment, and early profit |
| Space efficiency | The vertical utilization rate increased by 300% | Can be integrated with office/commercial/parking, the first choice in the area where every inch of land is valuable |
| Typical Cases | A financial center building | The life cycle cost is reduced by 18%, and the standard floor area of 2,000 m2 is efficiently utilized. |
(II) Bridge Engineering: Spatial Truss Structure
As a key node in the transportation network, bridges need to take into account span, load, and durability. In coastal typhoon areas and inland earthquake zones, the spatial truss technology of Henan No.1 ConstructionSteel Structure has become the preferred solution for the construction of cross-river and cross-sea bridges due to its advantages in wind and earthquake resistance.
| Technical highlights | Performance Data | Scene Adaptation |
| Single span | Max. 140 m | Main navigation channel other than the cross-river/cross-sea bridge |
| Load Capacity | 10kN/㎡ (6 lanes in both directions) | Heavy-load transportation hub bridge |
| Wind and earthquake resistance | 70m/s wind speed + 8 degree earthquake resistance | Coastal typhoon areas and earthquake-prone zones |
| Construction advantages | Prefabricated components were hoisted and installed in 45 days | The construction period is shortened by 40% compared with traditional methods, reducing traffic interruption time |
(III) Railway Station: Large-span Steel Truss
The advent of the high-speed rail era has put forward higher requirements on the carrying capacity and passenger flow organization of railway stations. The large-span steel truss solution of Henan No.1 ConstructionSteel Structure not only meets the heavy-load demand but also optimizes the passenger travel efficiency through intelligent design, providing innovative ideas for the construction of hub railway stations.
| Functional design | Technical Parameters | Operational Value |
| Ground load | ≥5t/㎡ | Adapt to high-speed rail + baggage transport system |
| Waiting Space | Single span 120 meters without columns | Annual throughput of 20 million passengers, efficient diversion |
| Scalability | Modular interface | The platform extension was completed in 3 months, and the expansion was carried out while the station was in operation. |
| Intelligent Optimization | BIM pedestrian flow design | The walking time from the security check to the platform is ≤ 8 minutes, which improves the traffic efficiency. |
(IV) Subway lines and stations:
The rise of the steel-concrete composite structure TOD model has transformed subway stations into dynamic urban vitality hubs. This innovative infrastructure solution leverages the three-dimensional integration of above-ground and underground spaces, addressing the dual challenges of structural safety and construction speed.
| Three-dimensional transportation plan | Technical advantages | City Value |
| Top and bottom integrated | Underground platform + above-ground commercial | The subway complex was built in 60 days, activating the TOD model |
| Foundation Adaptation | Soft soil foundation treatment costs reduced by 50% | Coastal/alluvial plain areas preferred |
| Security System | Earthquake resistance level 8 + intelligent fire protection | Anti-progressive collapse design, 100% passed fire inspection |
| Traffic efficiency | Face recognition gate + smoke sensor linkage | Passenger flow rate increased by 40%, and emergency response was faster |
(V) Thermal power plant: ultra-heavy-load steel truss
In the field of industrial infrastructure solution, thermal power plants face complex environments such as high temperature, heavy load, and high corrosion, which place strict demands on structural materials and design standards. Henan No.1 ConstructionSteel Structure‘s ultra-heavy-load steel truss technology achieves efficient equipment installation and long-term stable operation through customized solutions, becoming a reliable choice for industrial plant construction.
| Industrial-grade performance | Technical Parameters | Production guarantee |
| Equipment load | 10t/㎡ | Suitable for the installation of heavy equipment such as boilers/steam turbines |
| Heat resistant and anti-corrosion | 600℃ high temperature resistance + 50 years anti-corrosion coating | Coastal power plants/long-term stable operation in high temperature environments |
| Space efficiency | Column-free span 100 meters | Equipment installation efficiency increased by 60%, and maintenance channels became more spacious |
| Green Recycling | 90% of materials are recyclable | Recycling resources after decommissioning to reduce demolition pollution |
2. Steel structure VS traditional concrete: comparison of core performance of infrastructure
| Scene/Performance | Steel structure scheme | Traditional concrete solution | Differentiation |
| Bridge wind resistance | Can withstand a 17-level typhoon (70m/s) | 50m/s wind speed may cause cracking | Wind resistance increased by 40%, the first choice for coastal areas |
| Stadium construction | 90 days to complete the main construction | 240 days, 2.7 times longer | Shortened by 150 days, the event preparation cycle is more flexible |
| Subway station renovation | Modular disassembly and assembly, reducing transformation costs by 60% | Demolition and reconstruction, high cost and long cycle | Renovation while in operation, passenger flow impact <5% |
| Power plant corrosion protection | Coating + cathodic protection technology, 50 years without major maintenance | Anti-corrosion treatment is required every 10 years, and maintenance costs account for 20% | Reduce full-cycle maintenance costs by 75% |
| Earthquake resistance of high-rise buildings | Earthquake resistance of magnitude 8, deformation after the earthquake can be restored | Earthquake resistance ≤ 7, high-intensity areas need to be reinforced | Earthquake repair costs reduced by 80%, with better safety performance |
3. Key Materials and Technologies: Protecting Infrastructure Solution Quality
The quality assurance of infrastructure solution projects begins with material selection and technological innovation. How does XTD Steel Structure build a full-chain quality control system with its technological breakthroughs in the fields of load-bearing systems, enclosure systems, and intelligent safety?
(I) Comparison of core materials for load-bearing systems on Infrastructure solution
| Member | Steel structure scheme | Traditional concrete infrastructure solution | Performance Advantages |
| Steel Column | Q355B S355JR A572 SM490A high strength steel (compression resistance 345MPa) | Reinforced concrete column (compression resistance 25- 30MPa) | Strength increased by 45% and weight reduced by 60% |
| Core tube | C50 concrete + steel plate shear wall | Pure concrete core | Wind load resistance increased by 30%, and seismic ductility is better |
| Connection | High-strength bolts on-site assembly | Steel bar welding + concrete pouring | Construction error ±3mm, pollution reduction by 80% |
(II) Comparison of energy saving and noise reduction of enclosure systems
| Scenario | Steel structure scheme | Traditional Solution | Measured data |
| Bridge guardrail | Weathering steel + 320μm anti-corrosion coating | Concrete guardrail | Coastal lifespan 50 years (traditional 20 years) |
| Stadium roof | Double-layer corrugated steel plate + photovoltaic glass | Concrete roof | Annual electricity saving of 1.2 million kWh and sound insulation improvement of 25dB |
| Power plant exterior | Rock wool sandwich panel (sound insulation 65dB) | Ordinary brick wall | The factory noise is reduced by 40%, and the insulation efficiency is increased by 50%. |
4. Frequently Asked Questions
Q1. Is the initial cost of steel structure infrastructure solution higher than that of traditional concrete?
A: The initial cost of steel structure infrastructure solution is generally lower than that of traditional concrete. Although the main cost of steel structure may be about 10%-15% higher than that of traditional concrete, its light weight greatly reduces the cost of foundation treatment by 40%, especially in the construction of soft soil foundation, which can avoid the high cost of deep pile foundation. At the same time, the modular construction mode significantly reduces the on-site labor cost by 50%, greatly reducing the manpower expenditure during construction.
Q2. How to control the cost in remote areas or complex environments?
A: Plateau/mountainous areas: labor costs increase by 15%-20%, but factory prefabricated components reduce on-site operations. For example, a mountain bridge project shortened the total construction period by 3 months through prefabrication, and the total cost increased by only 5% after offsetting the transportation cost.
Coastal/corrosive environment: the cost of anti-corrosion coating increased by 5%, but the use of weathering steel + cathodic protection technology reduced the cost of anti-corrosion maintenance 3 times in 10 years (traditional concrete requires maintenance every 5 years), and the full cycle cost decreased by 10%.
Q3. How reliable is the steel structure for Infrastructure solution in extreme environments?
A: Adopting GB, EN, AISC design specifications, using Q355B S355JR A572 SM490A high-strength steel, it shows excellent performance. Its good ductility (elongation ≥ 20%), combined with shock-absorbing bearings, can absorb 30% of the seismic energy and reach the seismic resistance standard of level 8.
In the face of typhoons, the spatial truss structure design of the steel structure can withstand strong winds of 70m/s (level 17), and its stability has been verified by bridge wind tunnel experiments. For example, the main structure of the Zhuhai Airport Terminal remained intact after experiencing a level 12 typhoon, and the glass curtain wall was not damaged.
In high-temperature environments, special scenes such as thermal power plants will use 12Cr1MoV heat-resistant steel. Data shows that the steel can still maintain 60% of its strength at 600°C, while the strength of concrete drops by 50% at 200°C, highlighting the performance advantages of steel structures at high temperatures.
Q4. Can a steel structure shorten the construction infrastructure solution period? What is the actual effect?
A: Standardized construction: factory prefabrication rate ≥ 90%, on-site bolt assembly, 20-story public high-rise building completed in 12 months (traditional concrete takes 24 months), subway station completed the main structure in 60 days.
Typical case: A cross-river bridge uses space truss prefabrication technology, the main truss hoisting only 45 days (traditional concrete beams take 180 days), the overall construction period is advanced by 3 months, and the traffic control cost is reduced by 2 million yuan.
Q5. How to reduce the impact on the surrounding environment during construction?
A: Pollution control: welding operations are reduced by 80%, environmentally friendly anti-corrosion coatings are used (VOC emissions ≤ 50g/L), and construction waste is reduced by 85% compared with traditional processes.
Noise management: night construction noise ≤ 55dB (residential area standard), modular installation avoids high-noise processes such as concrete vibration.
Q6. Is it convenient to adjust or expand functions in the future?
A: Modular design: With reserved steel structure interfaces, the railway station platform can be extended within 3 months, and the gymnasium grid structure can complete functional zoning adjustment within 10 days (such as changing a badminton hall to a basketball hall).
Pipeline pre-buried: The removable ceiling hides 5G and smart equipment pipelines. The commercial floor of the subway station can be renovated without destroying the main structure, reducing the renovation cost by 60%.
5. Advantages of HNYJJZKJ Steel Structure and Infrastructure Solutions
| Core Advantages | Technical support | Customer Value |
| Full scene coverage | 7 major infrastructure solution types + 4 steel structure systems | One-stop solution for different needs, such as airports/bridges/power plants |
| Fast construction | Subway roof 60 days/power plant main building 120 days | 30% earlier than the industry average construction period, early production, and early profit |
| Green Infrastructure solution | 100% recycled steel + 57% lower carbon emissions | Assist with LEED / green building certification and enjoy policy subsidies |
Choose XTD Steel Structure – Powering Urban Infrastructure solution with a ‘Steel Engine’ for tougher bridges, smarter buildings, and more efficient energy solutions. Embark on a new era of infrastructure solution today, and join us in building a sustainable urban future!
bridge
In the global exhibition center construction sector, steel structures have emerged as the industry’s preferred solution. As an exhibition center owner, you may currently face the following challenges: traditional concrete buildings typically require 1-2 years of construction time, while pre-booked international convention center might commence as early as next year. You need to strictly control construction budgets while achieving large-span column-free spaces to enhance venue utilization and commercial value. Furthermore, exhibition centers must comply with increasingly stringent green building standards. Steel structure exhibition centers represent the optimal solution to address these pain points. Henan No.1 Construction Steel Structure, as a global leader in comprehensive steel construction solutions, delivers modern exhibition center solutions integrating large spans, high flexibility, sustainability, and intelligent features for clients worldwide.
1. Which Exhibition Centers Are Suitable for Steel Structure Construction?
1. Truss structure (mainly used in the main exhibition hall, central exhibition hall, etc.)
Special-Shaped Truss Structure have significant advantages in exhibition center construction: the use of steel tube trusses can easily achieve a 160-meter single-span column-free space, which is equivalent to 22 standard basketball courts running horizontally, completely breaking the pain point of traditional exhibition hall columns blocking the view, and the column-free space can also increase the utilization rate by 15%-20%. The triangular unit structure allows the rods to bear only axial force, and the material strength utilization rate reaches 95%.
High construction efficiency: The rate of prefabricated modular components in the factory reaches 95%, and the on-site assembly period can be shortened by 40% compared with the traditional mode. The main structure of a 100,000 square meter exhibition hall can be completed in only 120 days.
Rich functional expansion: The load-bearing capacity reaches 8t/㎡, which can meet the exhibition requirements of special exhibits such as heavy machinery exhibitions and aerospace exhibitions; the intelligent lifting and hanging point system supports the rapid construction of three-dimensional exhibition devices.
Changeable shape design: The truss structure has significant advantages in meeting the diversified shape requirements of the exhibition hall. The special-shaped truss can achieve complex shapes such as curved surfaces and spirals by adjusting the spatial angle of the rods (such as the “fish leap” shape of the National Maritime Museum).
Cost reference: The unit cost is about $350-450 USD/㎡, and the comprehensive cost in large-span scenarios is 25% lower than that of the concrete solution.
2. Innovation of the form of the grid structure (dome exhibition hall, temporary exhibition hall)
The three-dimensional space grid system, such as the “metal dome,” covers the exhibition and convention Center, with a maximum span of 120 meters. The curved surface shape supports the design of special-shaped skylights to achieve the integration of natural lighting and architectural aesthetics.
Flexible expansion: The detachable modular unit supports “dismantle and build”, and a 5,000㎡ temporary exhibition hall can be built within 72 hours, meeting the characteristics of short exhibition cycles and changing venue requirements.
Environmental advantages: Steel is 100% recyclable, construction waste is reduced by 90%, and carbon emissions are 55% lower than concrete, which is in line with the concept of green exhibitions.
Cost reference: The unit cost is $280-350 USD/㎡, suitable for temporary scenes such as touring exhibitions and outdoor exhibitions.
3. HNYJJZKJ Steel Structure: Prefab Steel Building Manufacturer multi-storey complex (supporting the exhibition center)
Vertical integration: The three-dimensional transportation system is designed based on BIM, and the main construction period of buildings below 6 floors only takes 75 days, integrating National exhibition center, conference rooms, commercial facilities, and underground logistics channels.
Intelligent operation: Equipped with facial recognition gates, exhibit tracking systems, and energy management platforms, the traffic efficiency is increased by 30%, and energy consumption is reduced by 20%.
Disaster resistance: The earthquake resistance is level 8, the wind resistance level is level 12, and the anti-continuous collapse design ensures the safety of personnel. It has passed the GB50011-2010 earthquake resistance test.
Why are Steel Structures the Preferred Construction Method for Exhibition Centers of All Sizes Around the World?
1. The varied shapes can freely divide the space and reshape the exhibition layout
High-strength steel creates a large space without columns, and exhibitors can flexibly divide booths, breaking through the limitations of the traditional “cubicle” of the exhibition hall. This design is particularly suitable for innovative exhibition forms such as immersive art exhibitions and large-scale theme exhibitions. The steel structure exhibition hall made of trusses is not only powerful, but its beautiful shape shows multi-dimensional curved surfaces, which significantly increases the visual appeal and brings a more unique experience to the audience.
2. Build quickly to seize the opportunity
Factory prefabrication + on-site assembly mode shortens the construction period: the main structure of the 20,000 square meters exhibition hall can be completed within 90 days, which is 150 days shorter than the concrete solution, and has more advantages in responding to emergency exhibition needs. The modular interface design supports “exhibition and expansion at the same time”, and the connection of new exhibition halls can be completed simultaneously during the exhibition without affecting normal operations.
3. Green and sustainable, responding to ESG
The photovoltaic integrated roof (BIPV system) can be added to cover 40% of the exhibition hall’s electricity consumption. With the ground source heat pump system, the comprehensive energy saving rate can reach 35%. The exterior wall can use 200mm rock wool sandwich panels with a sound insulation of 60dB to isolate external noise interference; the reusability rate of detachable components exceeds 85%, reducing the carbon footprint of the entire life cycle.
4. Safety guarantee, worry-free exhibition
The fire resistance limit is 3 hours, and it is equipped with a full-process fire monitoring system and an emergency evacuation simulation system to ensure the safety of exhibitions with tens of thousands of people. The IoT module can be integrated to monitor the temperature and humidity, light intensity, and crowd density of the exhibition hall in real time.
Application Scenarios of Steel Structure Buildings in Exhibition Centers
| Scene Type | Technical Solution | Core Performance | Cost reference |
| International Convention Center | 160m long span space truss + multi-layer steel structure | Can accommodate 2000+ standard booths, with an annual exhibition area of over 500,000 square meters | $800–950 USD/㎡ |
| Professional Theme Pavilion | Grid structure + intelligent variable exhibition wall | Supports exhibit load of 10t/㎡, and exhibition efficiency is increased by 40% | $550–700 USD/㎡ |
| Temporary / Travelling Exhibitions | Modular light steel structure + quick disassembly and assembly system | The construction can be completed in 48 hours, and the area of a single module is 500-2000㎡ | Single module USD 120,000 |
| Convention and exhibition complex | Steel structure frame + glass curtain wall system | Vertical space utilization increased by 250%, integrated with dining and conference functions. | $450–600 USD/㎡ |
Steel Structure vs. Traditional Concrete: An In-Depth Comparison
| Core indicators | Steel structure scheme | Traditional concrete solution |
| Maximum single span | 160 meters of column-free space | ≤30 meters (need dense columns) |
| 20,000㎡ Construction period | 90 days to complete the main construction | 270 days (including maintenance) |
| Flexibility in exhibition layout | Modular partition walls can be quickly assembled and disassembled | Wall reconstruction requires demolition and takes a long time |
| Carbon emissions | 1.2tCO₂/㎡ (63% reduction) | 3.3tCO₂/㎡ |
| Renovation cost | Adjustment of local components reduces costs by 70% | Structural demolition generates a large amount of construction waste |
| Earthquake resistance | Level 8 (GB50011) | Level 6-7, high-intensity areas need reinforcement |
Key Components and Technical Standards
Load-bearing system
Steel columns: Q355B/A572/S355JR high-strength steel is used, with a compressive strength of 345MPa, and the column distance can reach 18 meters, reducing the number of columns in the exhibition hall.
Space truss: Box section, maximum span of 160 meters, optimized wind load of 1.5kN/㎡ through wind tunnel test.
Wind-resistant columns: Typhoon-proof support system is configured in coastal areas to withstand a level 12 typhoon (wind speed 32.7m/s).
Roof and enclosure system
Smart roof: Double-layer corrugated steel plate + 150mm insulation cotton, photovoltaic glass transmittance of 55%, effectively increasing power generation efficiency.
Flexible partition wall: Prefabricated aluminum alloy frame + replaceable finish, support booth partition adjustment within 30 minutes.
Frequently Asked Questions
- Can steel structure exhibition center meet the requirements of carrying heavy exhibits?
Under normal circumstances, steel structure exhibition center can meet the load-bearing requirements of heavy exhibits. The design load capacity of many large steel structure convention center in the world can even reach 5 tons per square meter, such as the multi-story heavy-duty exhibition halls of Shandong International Convention and Exhibition Center, Hangzhou Convention and Exhibition Center, and Canton Fair Complex Project, all of which can carry exhibits such as heavy machinery and trucks. Steel structures achieve high load-bearing capacity through high-strength steel and large-span design (such as column-free space from 72 meters to 119.5 meters), and use segmented welding, sliding technology, and other processes during construction to ensure structural stability. XTD Steel Structure uses ultra-heavy-duty H-shaped steel trusses, and the ground load design can reach 12kN/㎡. It has provided a solution for a single booth to carry an 80-ton excavator for a certain engineering machinery exhibition, through structural mechanics verification and on-site load testing.
- Can temporary steel pavilions guarantee safety?
Temporary steel pavilions can fully guarantee public safety for the following reasons:
- High construction standards: Temporary steel structure exhibition halls also need to follow complete and reasonable construction standards and safety regulations to ensure the stability of the structure.
- High-quality materials: High-quality steel and connectors are used during the installation process to enhance load-bearing capacity and durability.
- Site assessment: A detailed site assessment is conducted before construction, taking into account foundation and environmental factors.
- Regular inspection: Regular inspections are carried out during the exhibition to ensure the safety of the structure under various conditions.
- Professional supervision: Design and supervision by professional engineers and architects to ensure that all safety measures are in place.
In summary, through reasonable design and strict management, temporary steel structure exhibition halls can effectively ensure public safety.
At the same time, the safety level of the steel structure temporary exhibition hall is consistent with the standards of permanent buildings. The modular steel structure strictly follows the ISO 3834 quality standard, and all components are tested for flaw detection before leaving the factory. In addition, the temporary exhibition hall is equipped with an independent foundation and windproof cables to ensure that it remains stable at all times under strong winds.
- Is the subsequent maintenance cost of a steel structure convention center hall high?
The post-maintenance cost of steel structure exhibition center halls is generally controllable and economical in the long term. Its maintenance cost mainly comes from regular anti-corrosion treatment, structural inspection, fire protection system maintenance,e and cleaning and maintenance, and the average annual cost usually accounts for 5%-10% of the initial cost. For example, a medium-sized exhibition hall may need to invest 60,000 to 100,000 yuan per year for anti-corrosion coating renewal, weld inspection, and fire retardant coating maintenance. Environmental factors have a significant impact on costs. In humid, high-salt, or industrially polluted areas, the maintenance frequency and cost may increase by 30%-50%. However, by adopting high-performance anti-corrosion steel, optimizing drainage design, implementing a preventive maintenance plan, and introducing intelligent monitoring technology, long-term maintenance costs can be significantly reduced. Compared with concrete structures, although steel structures require more frequent maintenance, their advantages, such as fast construction speed, high space utilization, and recyclable materials, make the full life cycle cost often more competitive. As long as a scientific 10-20 year maintenance plan is formulated and strictly implemented, steel structure exhibition halls can fully achieve economical and reasonable operation and maintenance while ensuring safety.
- Can the exterior design of the steel structure exhibition hall meet the diverse design requirements?
The exterior design of the steel structure exhibition hall can fully meet the diverse design requirements, which is mainly due to the excellent plasticity of the special-shaped truss structure and the support of modern technology. The high strength and lightweight characteristics of steel enable it to achieve complex geometric shapes, such as curved roofs, wavy facades, or spiral structures. These designs not only break through the morphological limitations of traditional building but also ensure structural stability through precise mechanical calculations. The special-shaped truss structure transforms the designer’s creativity into actual buildings through digital modeling (such as BIM technology) and prefabrication technology. For example, the special-shaped structural tube truss and glass combination of the Pompidou Center in France or the iconic form of the Beijing Bird’s Nest Stadium all show the high integration of steel structure in aesthetics and functionality. In addition, the flexible cutting and welding characteristics of steel support modular construction, which can quickly realize large-span column-free space (such as a span of more than 45 meters), and can adapt to future renovation needs, taking into account both environmental protection and economy. Therefore, whether it is the pursuit of futuristic streamlined design or the need to coordinate with the cultural environment, Personalized expression, steel structure pavilions can be perfectly realized through special-shaped truss technology.
- How does the steel structure exhibition hall perform in terms of sound insulation?
Steel structure exhibition halls have significant advantages in sound insulation performance. Through modern technical means, they can surpass traditional buildings, which is specifically reflected in the following aspects:
- The core advantages of steel structure sound insulation
- Modular design improves sound insulation accuracy.
Steel structures use factory prefabricated components, combined with BIM technology to achieve millimeter-level assembly accuracy, and the node sealing is better than the masonry joints of traditional brick-concrete structures. For example, the steel structure convention center can achieve airborne sound insulation of 55-60dB through double-layer walls (light steel keel + 12mm gypsum board + 50mm rock wool), while the traditional 240mm brick wall is only 45- 50 dB. High-efficiency absorption and isolation of the composite sound insulation system: Steel structures can integrate sound-absorbing materials (such as polyester fiber cotton, perforated aluminum plates) and sound insulation layers (such as sound insulation felt, damping glue) to form a triple barrier of “sound absorption-sound insulation-vibration reduction”. For example, the roof of a gymnasium uses color steel sandwich panels + foam metal sound absorption layers + spring shock-absorbing mechanisms, which reduces low-frequency noise by more than 20 dB.
- Cavity resonance control: After the steel structure cavity is filled with sound-absorbing cotton, the cavity resonance effect can be used to absorb low-frequency noise (such as equipment vibration), while traditional concrete structures find it difficult to achieve similar effects due to their dense structure.
- Flexible response to large-span requirements
- The large-span column-free space of the steel structure exhibition hall (such as more than 50 meters) can solve the structural load-bearing and acoustic problems simultaneously through specially shaped trusses + acoustic ceilings (such as FCB fiber cement boards), while traditional concrete needs to rely on thick partition walls, sacrificing space utilization.
- Sound insulation comparison with traditional buildings
| Indicator | Steel Structure Pavilion | Traditional brick/concrete structure |
| Sound insulation design flexibility | Customizable multi-layer composite wall (such as light steel keel + sound-absorbing cotton + sound insulation board) | Reliance on a single material (such as aerated concrete blocks) makes renovation difficult. |
| Low-frequency sound insulation performance | Effective suppression of structure-borne sound through damping coatings and elastic connections | Low-frequency sound waves are easily transmitted through rigid walls (such as impact sound) |
| Construction controllability | Factory prefabrication reduces the risk of sound leakage at on-site joints. | The masonry process is prone to gaps, which require later caulking treatment |
| Environmental protection | Recyclable materials account for more than 70%, and the sound insulation layer is pollution-free | Traditional soundproofing materials (such as mineral wool) may contain pollutants such as formaldehyde |
HNYJJZKJ Steel Structure: Exhibition Infrastructure Innovator
In the construction of landmarks such as convention centers, we use technology to reshape the possibilities of space. So far, we have successfully delivered more than 30 large-scale exhibition center projects. Through the full chain service of BIM forward design – intelligent manufacturing – precise installation, we build each Convention centerinto a “smart space” to help customers seize the initiative in the wave of the exhibition economy.