In the field of industry and construction, the anti-slip performance of galvanized serrated bar grating is crucial and directly related to the safety of personnel and the normal use of facilities. The following are several effective methods to evaluate its anti-slip effect.
1. Friction coefficient determination
The friction coefficient is a key indicator for measuring anti-slip performance. A professional friction coefficient tester can be used to place the slider of the test equipment on the surface of the steel grating. Under certain pressure and speed conditions, the friction between the slider and the steel grating is measured, and then the friction coefficient is calculated. The larger the friction coefficient, the stronger the friction between the surface of the steel grating and the contact object, and the better the anti-slip effect. Generally speaking, the dry friction coefficient of the steel grating used in the walking area should not be less than 0.5, and the wet friction coefficient should not be less than 0.35.
2. Simulate actual scene test
Simulating the actual use scene for testing can more intuitively evaluate the anti-slip effect. For example, simulate a humid environment, sprinkle water evenly on the surface of the steel grating, and then let the tester walk on it wearing common work shoes, observe whether it is easy to slip during walking, and feel the friction between the soles of the feet and the surface of the steel grating. You can also simulate the load-bearing situation, place a certain weight of objects on the trolley, let the trolley drive on the steel grating, and check the stability of the trolley and whether there is slipping.
3. Surface microstructure analysis
The serrated surface of the steel grating is analyzed by microscopy and other equipment. The serrated edges of the steel grating with good anti-slip effect should be clear and sharp, and the surface roughness should be moderate. If the roughness is too low, the friction is insufficient; if it is too high, the surface may be uneven, affecting normal use.
If you need galvanized serrated bar grating, please contact Wuxi Shangjia Steel Grating, our technical team will tailor the most suitable product solution for you.
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