bridge engineering
The application of cold drawn special-shaped steel in the field of bridges is mainly reflected in the following aspects:
Lasso and steel cable: Cold drawn steel is often used to make Lasso and steel cables in bridge structures. These cables and steel cables bear the main tensile force of the bridge and play a crucial role in the stability and safety of the bridge. The high strength and good ductility of cold drawn steel enable it to withstand enormous tensile forces and maintain stable performance during use. In addition, the corrosion resistance of cold drawn steel also extends the service life of cables and steel cables, reducing maintenance costs.
Supporting structural components: Cold drawn steel is also widely used in the supporting structures of bridges. For example, cold drawn square steel and cold drawn hexagonal steel are often used as key components such as support columns and beams in bridges due to their high strength and excellent compressive performance. The high precision and excellent surface quality of cold drawn steel can meet the high material requirements of bridge support structures, ensuring the stability and safety of bridge structures. Meanwhile, its excellent wear resistance and fatigue resistance also enable the bridge to maintain good performance during long-term use.
Prestressed steel: Cold drawn steel can also be used as prestressed steel in bridge structures. Prestressed steel bars are steel bars anchored in concrete after tensioning, which can generate pre stress in concrete structures, thereby improving the load-bearing capacity and crack resistance of the structure. After cold drawing treatment, the yield strength of cold drawn steel is significantly improved, which enables prestressed steel bars to play a better role in bridge structures. In addition, the uniformity and stability of cold drawn steel also ensure the reliability of prestressed reinforcement in bridge structures.
Bridge deck pavement: Although bridge deck pavement mainly uses materials such as concrete or asphalt, cold drawn steel can also be used as reinforcing bars in bridge deck pavement to improve the bearing capacity and durability of the bridge deck.
Protective facilities: Bridge protective facilities such as guardrails and sound barriers are often made of cold drawn steel to improve their strength and stability.