Tuesday, January 21, 2014

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List of steel shutter materials commonly used in building construction

Steel shutter is widely used concrete form work material because of its convenient to fix, remove and many time re-usability and also for its excellent concrete finishing virtue. Concrete form is made by combining different individual shutter materials. Such as wood, steel, fiber and plastic etc.

Below is a list of commonly used steel shutter materials-

  • Column/beam side
  • Beam bottom
  • Steel Props
  • Scaffolding
  • Cross bar
  • Base plate
  • U-head
  • Joint pin
  • Turn bolt
  • Runner
  • Shutter grill
  • Steel Beam
  • Nut-Bolt
  • Shutter clip
  • Plain sheet 

A short description of each material is given below:

Beam/Column side: This is the part of main form work of beam or column. It is made by combining 16-18 SWG sheet, MS flat bar and MS angle frame with necessary holes for fixingnut-bold/shutter clip in required shape. 
Steel column side for form work

Beam bottom: The procedure of making beam bottom is same as beam side. 
Steel Props: it is vertical supporting tool used under beam. It also can be used as column strut. 
Scaffolding: Scaffolding is the vertical supporting tool of slab form work. The height and width of it can vary as required. Commonly used sizes are 4'-0" x 4'-0" and 4'-0" x 5'-8". 
Cross bar: cross bar is used to support scaffolding horizontally. The size of cross bar depend on the size of scaffolding. 
Base plate: Base plate is used to support scaffolding by providing firm platform. It 
is the most bottom part of slab supporting. 

U-head: This is also a vertical supporting tool used above scaffolding to support runner. 
Joint pin: Joint pin is used to joint scaffolding one above another to get the desired slab height.
Turn bolt: Turn bolt is used to pull up concrete form work.
Runner: Runner is a horizontal supporting tool. Normally different sizes of mild steel hollow box used as runner. Commonly used sizes are 4" x 4", 4" x 3", 3" x 3" and 1.5" x 1.5". 
Shutter grill: Shutter grill is used below plain sheet. It is made by welding MS flat bar. Common size of shutter grill 2.5 x 2.5 feet.

Gril for slab form work
Shutter grill

Steel Beam: Temporary horizontal supporting tool used under shutter grill. 
Shutter clip: shutter clip is used to fix two beam/column side. 
Plain sheet: this is also horizontal supporting tool used above runner or shutter grill 
for making slab form work. 16/18 SWG MS plain sheet is used for this purpose. Common size of plain sheet is 3’ x 6’ and 4’ x 8’.

Keep in mind that, there are various type and shape of same material available in the market. Here I am showing only common type steel shutter material available in construction industry. 


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