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Portal frame. Portal frame is a construction technique where vertical supports are connected to horizontal beams or trusses via fixed joints with designed-in moment -resisting capacity. [ 1] The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and methods.
Website wireframe. A website wireframe, also known as a page schematic or screen blueprint, is a visual guide that represents the skeletal framework of a website. [ 1]: 166 The term wireframe is taken from other fields that use a skeletal framework to represent 3 dimensional shape and volume. [ 2] Wireframes are created for the purpose of ...
Portal (architecture) A portal is an opening in a wall of a building, gate or fortification, especially a grand entrance to an important structure. [ 1][page needed] Doors, metal gates, or portcullis in the opening can be used to control entry or exit. The surface surrounding the opening may be made of simple building materials or decorated ...
Bent (structural) A bent in American English is a transverse rigid frame (or similar structures such as three-hinged arches ). Historically, bents were a common way of making a timber frame; they are still often used for such, and are also seen in small steel-frame buildings, where the term portal frame is more commonly used.
The roof of this industrial building is supported by a space frame structure. If a force is applied to the blue node and the red bar were not present, the resultant effect on the structure would depend entirely on the blue node's bending rigidity, i.e. to its resistance (or lack thereof) to bending; however, with the red bar in place, then assuming negligible bending rigidity of the blue node ...
A gantry crane is a crane built atop a gantry, which is a structure used to straddle an object or workspace. They can range from enormous "full" gantry cranes, capable of lifting some of the heaviest loads in the world, to small shop cranes, used for tasks such as lifting automobile engines out of vehicles. They are also called portal cranes ...
The graphical tool for representing a problem frame is a frame diagram. A frame diagram looks generally like a problem diagram except for a few minor differences—domains have general, rather than specific, names; and rectangles representing domains are annotated to indicate the type (causal or biddable) of the domain.
Example of a system context diagram. [ 1] A system context diagram in engineering is a diagram that defines the boundary between the system, or part of a system, and its environment, showing the entities that interact with it. [ 2] This diagram is a high level view of a system. It is similar to a block diagram .