Heavy Steel Engineering

Heavy Steel Engineering is a large-scale engineering system that uses high-strength steel with a thickness of ≥ 16mm (such as Q355, Q460, ASTM A572, etc.) as the core building material. Through modular assembly and overall installation of heavy-duty steel components (box columns, welded plate beams, cross shaped columns, etc.), it is suitable for super high-rise, large-span, and heavy-duty scenarios. Its core feature is the ultra-high bearing capacity of heavy steel structures, which solves the extreme engineering needs that traditional concrete structures cannot cope with. It is widely used in key fields such as super high-rise buildings, long-span bridges, heavy industrial plants, and large public buildings, and is the core solution for modern large-scale engineering construction.

The core advantage is reflected in the adaptability to extreme scenarios: heavy steel components are made of high tensile strength steel, which can withstand axial pressures of over 10000kN and bending moments exceeding 50000kN · m. They can easily support the core skeleton of super high-rise buildings over 300 meters, or achieve column free large-span spaces over 50 meters (such as stadium roofs and bridge main spans). Compared to concrete engineering, heavy steel engineering has a self weight of only 1/3-1/2, but it has better earthquake resistance (able to withstand earthquakes of magnitude 8.5 or above), wind load resistance, and fatigue resistance, especially suitable for equipment overload and vibration environments in heavy industrial plants (such as steel plants and hydropower stations).

Key features include precision manufacturing and efficient construction: Heavy steel components are precision processed through factory hot rolling, CNC cutting, submerged arc welding and other processes, and non-destructive testing such as ultrasonic and radiographic testing is conducted to ensure quality; Modular lifting and bolt/welding connections are adopted on site, significantly reducing wet operations and shortening the construction period by 30% -50% compared to concrete engineering. At the same time, the heavy steel project has undergone anti-corrosion treatment such as hot-dip galvanizing and epoxy coal tar coating, combined with fire-resistant coating protection, with a service life of over 70 years, and the steel is 90% recyclable, in line with the concept of green engineering.

Typical applications include the core tube of super high-rise office buildings, main beams and piers of cross sea bridges, heavy machinery manufacturing plants, nuclear power plant structures, and main trusses of large sports venues. Heavy Steel Engineering, with its strong bearing capacity, structural safety, and design flexibility, has become the core force driving breakthroughs in large-scale engineering technology, supporting the realization of numerous iconic buildings and industrial facilities, and is an indispensable high-end solution in the field of modern engineering.