What are the types of structural steel framing

1
What are the Types of Structural Steel Framing
Systems?
2

• Different types of structural steel framing
  systems for buildings such as skeleton, wall
  bearing and long span framing systems and their
  applications and configurations are discussed.

3
Types of Structural Steel Framing Systems for
Buildings

• Skeleton steel framing
• Wall bearing steel framing
• Long span steel framing

4
Skeleton Steel Framing System

• Skeleton steel frame is composed of steel beams
  and columns which are connected using proper
  connection. Steel beams around perimeter of the
  structure is termed as spandrel beams on which
  masonry walls are placed.
• Typical plane views of skeleton framing are shown
  in Figure-3 and constructed skeleton steel frame
  are shown in Figure. Steel columns, primary and
  secondary steel beams are shown in the figures.

5
(No Transcript)
6

• There are different types and configurations of
  steel connections which are used to connect steel
  beams to columns in skeleton frame structure, for
  example, bolt connection and welded connections.
• Figure illustrate various types of bolted
  connection including flexible end plate, fin
  plate and double angle cleat.

7

• It should be known that all gravity loads in
  skeleton frame structure are supported by beams
  and columns. The distance between columns can be
  established according to the functions and
  requirements of the structure.
• Therefore, there are no restrictions that limit
  the area of the floor and roof of the building.
  Multi storey structures are possible to construct
  using skeleton framing.

8
Wall Bearing Steel Framing System

• In a wall bearing steel framing structure,
  building wall whether it is interior or exterior
  is used to carry the end of structural members
  that support floor or roof loads.
• Wall bearing should be adequately strong to not
  only be able to carry vertical reactions but also
  to resist any imposed horizontal loads.
• Wall bearing framing is suitable for the
  construction of low rise structure. This is
  because the size of the bearing wall must be
  increased significantly to withstand considerably
  loads exerted in the case of multistory buildings.

9

• This problem might be solved to certain extent if
  the reinforced concrete walls are applied.
• There are several cases in which wall bearing
  frame system is suitable to be used. For example,
  single story house in which steel beams are used
  to carry wall and floor loads and the end of the
  steel beams are placed on foundation walls, as
  shown in Figure-6.
• A further application of wall bearing system
  application is the utilization of steel beams
  known as lintels over wall openings like doors
  and windows.

10
(No Transcript)
11
(No Transcript)
12
Long Span Steel Framing

• Long span steel framing is considered when large
  clearance is required and such long spanning
  cannot be realized using steel beams and columns.
• Long span steel framing options can be
  categorized into different types, for instance,
  girders, trusses, rigid frames, arches and
  cantilever suspension spans.
• These classes of long span steel framing options
  along with their applications and various
  configurations are provided in Table

13
Long span framing system types Application condition Various types or configuration of the given long span framing system class
Girders It is selected for the case where depth of the member is restricted over a large unobstructed area in lower storeys. The girder should support loads from above storeys across cleared area. Roller beams, Riveted girder, welded girder, heavy girder, hybrid girder, and a girder consist of two girder fastened
Truss, It can be used for the case where restriction on the element depth is not imposed. it an economical way of spanning long distances provided that depth limitation is not existed. Trusses are better compare with other option in controlling deflections due to better stiffness. Pratt, warren, fink, scissor, bow string and Virendeel
Arches, It is used to carry walls and roof with open or solid web arches Hinge less arches, two hinged arches and three hinged arches
Rigid frames, It is used to span long distances. it is aesthetically pleasing that is why applied in the construction of churches, gymnasiums, auditoriums, bowling alleys and shopping centers Single span rigid frame, welded rigid frame.
14
(No Transcript)
15
(No Transcript)
16
Steel Structure Maintenance Companies

• Steel House Construction Co. LLC
• PO Box 3346, SHARJAH, UAE
• Telephone [phone]
• Fax No (971) 6-544 9553
• Email info_at_steelhousellc.com
• Web www.steelhousellc.com