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Designing and implementing a variety of sheds

Designing and implementing a variety of sheds


This type of structure is used in in factories, buildings’ structure, warehouses, poultry farms, aircraft hangars, repair shops, stores and gyms where frames with large spans are required. Due to large dimensions of beams and columns, sheet of beams should be used in shed profiles.


Shed features

Shed designing is very specialized and highly accurate; important factors are involved in its design and their negligence can impose many costs to the manufacturer that questions the economic cost and may have a reverse result and weaken the strength and stability of the structure and cause irreparable events. The following information is desirable to design a shed:

  • Loading for dead load, snow load and asymmetric load
  • Side loading of the shed includes wind and earthquake loads
  • Crane loading for the shed; Question : Should crane be considered in  

          the design of the shed? (Yes: calculating the dynamic load of the crane)

  • Regional factors, treatment and care for shed
  • Side elevation of the shed and wall height
  • Shed span and length
  • The number of longitudinal frames of the shed 
  • Disconnection slit
  • Calculating effective length coefficient
  • Percentage of the slope of the shed roof
  • Desired coverage of shed roof (sandwich panel or galvanized sheet and chicken lace)
  • Permitted tension of the desired area soil and the type of the site land
  • How to control the movement
  • Design of crane supporting beam
  • Design of Purlin by software
  • Design of sag rod
  • Providing a plan with minimum waste of sheet
  • Providing the manual of the complete calculations of the shed


Controlling the parts’ strength against local forces and embedding the hardener

If necessary, the guide for correct selection of non-prismatic sections with regard to the shed use

Shed structure includes column, rafter, purlin, strut, wall post, braces, sag rod, roof bracing, bolt and nut and awning.

Constructing new sheds

Nowadays, with the development of science and technology, traditional and old methods do not meet current needs because competition in the two fields of cost and speed of construction is very high and of particular importance. Therefore, now the methods of building sheds have changed and devices such as UBM and KSPAN are being used that increase construction speed at least as much as 5 times and reduce the cost of the structure by at least 50%. The structures are anti-earthquake because they are very lightweight and are resistant to wind speeds of more than 120 km / h. In addition, due to having several grooves on its surface, the airflow acts as an insulating coating. Of course, in very cold areas such as Siberia or very hot areas, polyurethane coatings can be used to insulate more. These structures can be applied on a light foundation and they do not require welding.

Getting to Know sheds 

Sheds are one of the most beautiful and most interesting construction projects. In this section, we try to familiarize you with shed and its types and how to design the shed.

Shed refers to a sloping roof, which is composed of the following components: Column/ rafter / Purlin/ strut / wall post / brace / sag rod / roof bracing / bolt and nut / awning. The sheds are different in design with other structures because of their mainly industrial application, especially the frames are completely different in these types of structures and have slopes and the craters are larger than other structures. Due to the large size of the beams and columns, the profiles available in the market cannot be used to implement these structures, and they should be constructed, which are referred to as the beam of the sheet.

Designing the shed is very specialized and precise and important factors are involved in designing, and neglecting them can impose a huge cost to the constructor, which questions economic saving, and may result in inverse results and weaken the strength and stability of the structure.

Information needed to design sheds

  • Load of snow and wind force
  • Shed lateral height
  • The slope of the roof and naturally calculation of the crown height
  • Transverse span length
  • The length of longitudinal spans and the number of considered longitudinal frames
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