The primary advantages of steel supports include:
Simple structure, strong stability, and minimal space occupation, meeting various construction site requirements.
High load-bearing capacity, quick installation, and flexible adjustment of support shape and structure according to construction requirements.
Cost-effective, corrosion-resistant, with excellent seismic and wear resistance, minimal impact on the geology, and an aesthetically pleasing appearance.
The shape and structure can be altered as construction progresses, eliminating the need for civil engineering work, and the installation process is flexible and quick.
However, steel supports do have some drawbacks, such as relatively poor overall stiffness, numerous joints that are prone to deformation and failure, and are not suitable for large-span foundation pit construction. They also demand higher standards of construction techniques.
In scenarios such as subway tunnel construction, underground utility corridor development, underground parking garage construction, underground commercial space development, and excavation of underground projects, steel supports play a crucial role. They are not only quick to install and dismantle, reducing the impact of time effects, but also provide immediate support as excavation progresses, effectively controlling the deformation of foundation pits. Additionally, the high recyclability of steel supports contributes to resource conservation and waste reduction.
In summary, steel supports play a crucial role in enhancing the stability of engineering structures; however, their limitations must be noted to ensure construction safety and quality.
