Why do factory buildings with overhead cranes need specific structural solutions?
Factory buildings with overhead cranes are among the most complex types of steel structures. Unlike conventional factory buildings, these structures must withstand large, repetitive dynamic loads throughout their operation.
If not designed correctly, the factory building may experience vibration, beam deflection, connection cracks, or reduced structural lifespan.
Characteristics of crane loads
Crane loads include:
Self-weight of the crane
Load of lifted goods
Dynamic loads during movement, braking, and acceleration
Unlike static loads, crane loads constantly change position and cause fatigue effects on the structure. This is the biggest difference compared to factory buildings without overhead cranes.
Main structural components in factory buildings with overhead cranes
Crane runway beam
The crane runway beam is the component that directly bears the load from the crane. The beam needs:
High rigidity
Strict deflection control
Good fatigue resistance
Steel columns and connections
Columns not only bear vertical loads but also horizontal forces transmitted by the crane. The connection between the crane runway beam and the column needs to be designed precisely to avoid stress concentration.
Technical requirements when designing steel structures for factory buildings with overhead cranes
Designing factory buildings with overhead cranes requires:
Full calculation of dynamic loads
Control of deflection and vibration
Selection of appropriate cross-sections
Reasonable arrangement of bracing systems
In addition, synchronization between design – fabrication – erection plays a very important role.
Risks if the design is inappropriate
If the design does not meet technical requirements, the structure may encounter:
Crane beam deflection exceeding limits
Vibration during crane operation
Cracked welds, loose bolts
Reduced structural lifespan
These issues are often difficult to fix once the factory building is in operation.
Steel structure factory buildings with cranes are a complex engineering problem, requiring careful calculation and practical experience. Understanding load characteristics and structural requirements is a prerequisite for the facility to operate safely, stably, and sustainably.
HAI LONG CONSTRUCTION IS A REPUTABLE MANUFACTURER OF STEEL STRUCTURES
Choosing the right steel structure fabrication partner is the deciding factor for the success of every construction project. In a market that increasingly demands high quality, schedule adherence, and safety, Hai Long Steel Structure is proud to be a leading brand trusted by many major domestic and international investors:
- A team of experienced engineers, architects, and experts, knowledgeable in the design and construction of factory buildings and warehouses according to international standards.
- Diverse construction capabilities, meeting all project scales and requirements, from simple to complex factory buildings.
- Possessing a system of modern machinery and equipment, three steel structure factories with a capacity of nearly 45,000 tons/year ensure fast, accurate, and safe construction.
- Professional construction process, strictly managed.
Are you looking for a reputable and professional steel structure manufacturing and erection contractor? Contact Hai Long Construction for free consultation and quotation:
- HAI LONG CONSTRUCTION JSC – MEMBER OF TAIYO GROUP
- Address: Taiyo Building, 97 Bach Dang, Hong Bang Ward, Hai Phong City, Vietnam.
- Hotline: 084 6625 888
- Email: info@hailongjsc.vn
