Comparative analysis
Selection logic of steel structure buildings and concrete buildings
Steel structures and concrete are not necessarily better, but they suit different project goals. When choosing, you need to consider the span, number of layers, construction period, transportation, local materials and labor, fire protection and anti-corrosion, interior interfaces and subsequent maintenance.
Summary
This article compares steel structures and concrete buildings in terms of structural efficiency, construction period, cost structure, applicable scenarios and modular compatibility. For GODA's projects, structural choices should not be decided in isolation, but judged together with the prefabricated interior, furniture, M&E, transport installation and maintenance strategies.
Keywords:Steel structure building; concrete building; modular building structure; rapid construction; prefabricated interior interface
Structural choice is not material preference, but project strategy
In the early stages of many projects, people will ask whether steel structure or concrete is better. The more precise questions are: where is the project, how quickly it needs to be built, how wide the span is, how high the floors are, what the local labor and materials are like, and whether adjustments or expansions are needed later.
Steel structures are usually more suitable for rapid construction, long span, lightweight and industrial production; concrete is usually more common in fire protection, durability, stiffness, local mature construction systems and high-rise buildings. Practical projects also often use hybrid structures.
First look at the project goals, then look at the structural system; after the structure is decided, the interior decoration and electromechanical interfaces must be deepened simultaneously.
Steel structures are better suited for speed, span and industrialization
Steel structural members can be processed in factories and installed quickly on site, making them suitable for industrial buildings, showrooms, low-rise residences, camps, warehousing, temporary facilities and modular buildings. It is also easier to work with prefabricated cladding, lightweight walls and fabricated interiors.
Steel structures need to focus on fire protection, anti-corrosion, node connections, transportation dimensions, lifting equipment and local construction capabilities. If these are not designed in advance, on-site installation may not necessarily go smoothly.
construction speed
Factory processing and on-site installation, suitable for time-sensitive projects.
Lightweight and span
Suitable for large bays, expandable spaces and modular combinations.
Fireproof and anticorrosion
Coatings, fire protection cladding, joints and maintenance strategies need to be designed in advance.
Concrete better suited for stiffness, durability and proven local construction
Concrete construction has mature supply chains and construction teams in many markets, and is suitable for high-rise, underground, public buildings and projects with high requirements for stiffness, fire protection, and sound insulation. Its on-site construction system is mature and can easily meet many traditional approval paths.
However, the concrete on-site cycle is usually longer, there are many wet operations, and it is more difficult to modify and quickly replicate later. If the project emphasizes fast delivery, you can consider a combination of concrete main body plus prefabricated interior and furniture product packages.
steel structure
Increased speed, light weight, span, factory processing and modular compatibility.
concrete
Rigidity, fire resistance, sound insulation, durability and local mature construction systems have more advantages.
GODA pays more attention to the interface between structure and space products
For GODA, structure is not the end. Whether steel structure or concrete is used, it must eventually be connected to walls, floors, ceilings, bathrooms, kitchens, furniture, doors, windows, and mechanical and electrical interfaces.
If the interior decoration and equipment interfaces are not considered during the structural selection stage, problems with opening, reinforcement, closing, maintenance and installation will arise later. Modular projects need to judge the structure, interior decoration and product package together.
Identify speed, number of stories, spans, costs and local construction conditions.
Consider doors, windows, mechanical and electrical appliances, interior decoration, bathrooms, kitchens and furniture simultaneously.
Choose enclosures, walls, floors, cabinets and equipment systems.
Write maintenance, replacement and subsequent expansion into plans.
Does a modular building have to be a steel structure?
Not necessarily, but steel structures have strong compatibility with modular buildings and are especially suitable for factory processing and rapid installation.
Can concrete buildings still use prefabricated interior decoration?
Can. Many projects use concrete bodies plus prefabricated interiors, furniture and bathroom and kitchen systems.
What do you need to prepare before choosing a structure?
Requires project location, number of floors, area, span, purpose, duration, budget and local code conditions.
References
- Whole Building Design Guide. Modular Building.
- DFMA. What is Design for Manufacture and Assembly?
- Modular Building Institute. What is Modular Construction?
Next Step
If the project is still in the structural planning stage, interior decoration and product interfaces can be determined simultaneously.
GODA will suggest suitable modular construction, interior systems and furniture packages based on structural system, space functionality, budget and delivery time.