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Why is steel construction the preferred choice for large-span spatial structures?

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When gazing upon grand stadiums , airport terminals, or exhibition centers, we are often awestruck by their vast spaces. Behind such large-span structures lies a nearly universal choice—steel construction. This is no coincidence, but stems from steel's unparalleled engineering advantages. stadium High Strength, Lightweight: Pushing Boundaries Beyond Limits The core advantage of steel lies in its perfect blend of exceptional strength and lightweight properties. Compared to concrete, steel boasts an outstanding strength-to-weight ratio. This means that for buildings requiring vast column-free spaces, steel structures can achieve greater spans with smaller member cross-sections, significantly reducing the building's self-weight. Consequently, foundation requirements are lowered, enabling the ultimate liberation of space in a cost-effective manner. Exceptional Performance, Conquering Complex Challenges Steel's outstanding toughness and ductility enable it to better withstand dy...

Types of Steel Structures Used in Airport Terminal Roofs

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There are various types of steel structures used in airport terminal roofs , including: 1. Truss Structures truss structure Truss structures are made up of interconnected triangles and are ideal for large span roofs. They are commonly used in airport terminals because they can support heavy loads and provide ample space for services such as lighting, ventilation, and air conditioning. 2. Arch Structures Arch Structures Arch structures are curved and rely on the strength of the curved shape to support heavy loads. They are ideal for airport terminal roofs because they provide a large clear span without the need for columns or supports. 3. Space Frame Structures space frame structure Space frame structures are made up of interconnected triangles and are ideal for complex shapes and designs. They are commonly used in airport terminal roofs because they can support heavy loads while providing a high degree of flexibility in design. _________________________________________________________...