How many simple disk has this construction?

How many kinetic supports has this construction?

The truss bar work on

What kind of construction is truss?

What is dimension of snow load?

The estimated joint snow load, which is applied to the joints of the upper belt of the truss, is calculated according to the formula:

Please, explain the meaning of the concept of joint snow load.

The truss bar work on tenssion or compresion.

What kind of force we have in truss bar?

What is the concept of method of joints?