Views: 0 Author: Site Editor Publish Time: 2024-07-20 Origin: Site
Permanent Load | The deterioration of the structure increases the cracks |
Variable Load | Also known as live load, refers to the design base period, its value changes with time. For example, the change of installation load, roof and floor live load, snow load, wind load, crane load, ash load and other load on the action position of the component may cause different effects on each part of the structure, or even produce completely opposite effects |
Accidental Load | It does not appear in the service life of the structure, and it may not appear, and once it has a load with a large value and lasts for a very short time, such as explosive force, impact force, fire, earthquake. Wind load is the main level of building structure, the plane for the round building the wind pressure is square or rectangular building reduced nearly 40%, is conducive to resistance. The role of level (Round is the most energy efficient, Round> Oval> Square> Rectangle) |
What is the difference between live load and dead load?
There are two main types of external effects of building structure loss of balance or damage caused by load classification.
One is the various forces directly applied on the structure, also known as the load, including permanent action (such as structural weight, soil pressure, pre-added stress, etc.), variable action (such as floor and roof live load, crane load, snow load and ice load, wind load, etc.), accidental action (such as explosive force, impact force, fire, earthquake, etc.).
The other type is the indirect action, which refers to the other effects that cause external deformation and constraint deformation in the structure, such as temperature action, concrete shrinkage, creep and so on.