In the construction industry, how is calculated load different from standard load?
Answer you:
Calculated load is different from standard load in that: calculated load = standard load x overload coefficient n.
This overload factor is always greater than 1. Therefore, the calculated load is always greater than the standard load. The standard load and overload factor values can be found in TCXD 2737-1995 (Loads and Actions - Design Standard).
The reason for this is because the standard load for each type of construction and each type of structural component is actually only taken from experimental methods (and then statistics) and from experience, so no one dares to guarantee that This value is exactly 100%.
And no one can be absolutely certain that the actual load in future use will never exceed that figure. Not to mention the reduction in load-bearing capacity of the structure during use (fire, corrosion, etc.) or during construction (substandard/low-quality materials, improper construction techniques, material cutting corners, etc.). Therefore, to ensure safety, the load included in the design must always have an overload factor.
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