1.The market is flooded with "non-standard steel pipes", and the wall thickness of steel pipes generally fails to meet standards. The specification requires the wall thickness of steel pipes to be 3.5±0.5mm, but the actual wall thickness of steel pipes marked as 3mm on the market is often only 2.5mm. Technical experiments show that for every 0.5mm reduction in wall thickness, the load-bearing capacity decreases by 15% to 30%. The market is filled with "three-no couplers" (products without a manufacturer's name, product certificate, and quality inspection certificate). Statistics indicate that most couplers on the market are such three-no products. With the intensification of irregular low-price competition in the industry, manufacturers cut corners or reduce quality to pursue profits, leading to an increasing number of inferior couplers.
2.Coupler-type scaffolding has poor overall structural stability. The spacing of vertical poles is difficult to meet the design requirements due to on-site construction factors, and the lateral stiffness of diagonal braces is affected by the connection strength of couplers, resulting in insufficient overall stability. The quality of coupler tightening is greatly affected by human factors: insufficient torque will reduce the anti-slip load-bearing capacity, leading to insufficient joint strength and stiffness; excessive torque will cause local buckling of the steel pipe, which is prone to local instability and other safety hazards when under force.
3.Coupler-type scaffolding has a high material turnover loss rate. On the one hand, the anti-rust treatment effect of steel pipes and couplers is poor, and they are prone to rusting, which weakens the wall thickness and reduces the load-bearing capacity. On the other hand, couplers are not properly maintained, making them prone to rusting, deformation, and bolt thread failure, which reduces the anti-slip load-bearing capacity and tightening torque value.
Second, why should ringlock scaffolding be promoted?
1.The vertical poles of ringlock scaffolding are made of Q355 low-carbon alloy structural steel, which undergoes hot-dip galvanizing anti-corrosion treatment. Their load-bearing capacity can reach up to 200kN, and the vertical poles are not easily deformed or damaged. The vertical poles are connected through coaxial sockets, and the joints have reliable two-way self-locking characteristics, which improves the load-bearing capacity and stability of the scaffold structure.
2.The vertical poles of ringlock scaffolding are designed with standardization; their modulus, spacing, and step distance are fixed. This avoids the impact of human factors on the scaffold structure, reduces the safety control points of the scaffold, and improves safety performance. The standard length of the vertical poles of ringlock scaffolding is generally no more than 2 meters. Compared with ordinary steel pipes of 6 meters in length, they are lighter and have a more stable center of gravity, which reduces the labor intensity of workers and improves construction efficiency.
3.The socket-type joint design of ringlock scaffolding makes the assembly and disassembly of the scaffold convenient. Combined with standardized accessories such as hook-type steel pedals and standardized ladders, as well as modular assembly, it improves safety while enhancing construction efficiency. Ringlock scaffolding adopts the hot-dip galvanizing process for anti-corrosion, which prevents paint peeling and rusting. This not only extends its service life but also gives it a neat overall silver-white appearance, enhancing the image of civilized construction.
4.The vertical poles of ringlock scaffolding are designed with standardization, with fixed modulus, spacing, and step distance. There are no messy accessories such as couplers and nuts, truly achieving straight horizontal and vertical alignment, and the overall appearance is grand and neat. Accessories such as pedals and ladders are also standardized modules, achieving overall coordination and unity, and highlighting the image of civilized construction.
Third, how to manage the construction of ringlock scaffolding?
1.Ringlock scaffolding must be inspected and accepted in accordance with relevant specifications. The pole body should have clear steel stamp marks of the manufacturer and product. The quality certification documents such as product qualification certificates, quality certificates, operating instructions, and type test reports should be verified.
2.Strict implementation of witnessed sampling and testing is required. The construction unit shall take samples under the witness of the construction unit or supervision unit and send them to the testing institution entrusted by the construction unit to test the strength of the connecting plate, the compressive strength of the adjustable support and base, the dimensional deviation of the steel pipe, and the mechanical properties.
3.Construction personnel of ringlock scaffolding must hold a special operation personnel qualification certificate to work. This certificate is issued by the construction administrative department after passing the assessment. They must participate in safety education and training or continuing education on schedule and strictly abide by the standards and operating procedures.
4.The construction unit shall implement the main responsibility for work safety, strengthen the technical training and technical disclosure for operators, and ensure the skill level in all links of construction. Before the construction of ringlock scaffolding, a special construction plan shall be prepared. Professional and technical personnel shall conduct design and calculation based on the on-site measured data. If the project involves major and dangerous projects, the implementation plan shall be demonstrated in accordance with the management regulations for major and dangerous projects.
5.During the construction process, the special construction plan and relevant technical standards shall be strictly implemented. The construction unit shall conduct self-inspection during the erection process and before use, and the supervision unit shall conduct acceptance in accordance with regulations. Defects shall be rectified in a timely manner, and the next process shall not be carried out until the rectification is in place.
Good technology is inseparable from good management! The promotion and application of socket-type ringlock scaffolding is an irresistible trend. To further improve the intrinsic safety level of construction, it is necessary to strictly implement the inspection and acceptance of components and accessories upon entry, strengthen the construction safety management, and build a complete ringlock safety system.
Post time: 2025-12-08 13:34:09