Surface load on slab

The surface load is defined on the whole slab. If only a part of a main slab is supposed to be subject to this load, a subregion must be defined inside the main slab. The subregion must be identical with the loading area. Alternatively, free surface load may be applied.

Parameters

Name

Is used for the identification of the load.

Direction

Specifies the base direction of the load.

Type

The load may be a force load, self-weight or predefined load.

See Line force on slab edge for detailed information.

Value

Specifies the size of the load.

See Line force on slab edge for detailed information.

System

Defines the co-ordinate system in which the load is applied.

See Line force on slab edge for detailed information.

Geometry

System

The load can act either in global or in local coordinate system.

Location

(available only for GCS system) The load can be defined on the real length of the member or in the case of inclined members, it can be defined as a projection load.

Note: Predefined load and snow load add a new parameter to the property table: Coefficient. The default value of this parameter is –1 (minus one) to ensure that the defined load acts downwards and is of the same value as defined.

image\slabloadsubreg.gif

 

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