







Steel support nuts are indispensable components in the realm of construction, serving as crucial connectors and fasteners in steel support systems. These robust elements find their paramount application in engineering domains such as building foundation pit support and bridge construction. The ensuing discussion delves into a comprehensive analysis from multiple perspectives:
• Structure and Materials
Structure: With a predominant hexagonal or circular form, these support nuts are intricately designed with internal threads to seamlessly adapt to the screw components supported by steel. The security is enhanced by rotation fastening. For added functionality, one end may feature a stiffening rib plate, amplifying the contact area and augmenting stress stability between the nut and the steel support. Furthermore, certain designs incorporate protrusions or grooves, intended to be utilized with matching gaskets, which serve as a defense against loosening of nuts.
Material: Crafted from high-strength steel varieties such as 45# steel and Q345 steel, these nuts acquire augmented strength and toughness via forging, heat treatment, and other sophisticated processes. Such meticulous crafting ensures that the nuts satisfy the rigorous engineering demands for structural stability and safety.
• Function and Capabilities
Load Transmission: Within the steel support framework, these nuts play a pivotal role by channeling the axial force of the support, engaging the nut and screw threads to transmit the force efficiently across the steel support components. This ensures a uniform load distribution, bolstering the stability of the entire support system.
Length Adjustment: By the simple act of rotating the nut, the length of the steel support can be precisely fine-tuned, allowing it to snugly fit the foundation pit or any other construction component. This adaptability ensures optimal support impact and alignment with diverse engineering size requirements.
Tightening and Anti-Loosening: Developed for synergy with gaskets and bolts, these nuts fortify connections and prevent the disassembly or detachment of steel support elements due to vibrations, stress, and other construction-related factors, thereby safeguarding construction integrity and safety.
• Application Scenarios
Building Foundation Pit Support: During the complex undertaking of deep foundation pit construction, these steel support nuts are instrumental in fixing the steel supports to the enclosure structure. They effectively counteract soil and water pressure, maintaining the stability of the foundation pit and ensuring the subsequent safety of underground structural construction.
Tunnel Construction: At the forefront of initial and temporary tunnel support, these nuts connect vital supporting components such as steel arches and pipes, providing a secure working environment for tunnel construction and preemptively averting collapse incidents.
Bridge Engineering: In the crucial stages of formwork and temporary support during bridge construction, steel support nuts guarantee the steadfastness of the support structure, facilitating the smooth progression of bridge component pouring and installation.