Formwork Design

Spacing of wooden battens required for 12 mm ply shuttering board :

Normal size of wooden battens used for shuttering board making :

Outer & Inner diameter of 40 N.B. heavy duty scaffolding pipe :

Member connecting two vertical cuplock pipe is termed as :

Allowable stress in axial tension for Rolled Steel sections :  (For example : 0.0 Fy)

Allowable stress in axial tension for Tie Bolts : (For example : 1 kg / cm2)

Allowable stress in bending for plywood :  (For example : 1kg / cm2)

Allowable stress in bending for medium wood batten :  (For example : 1 kg / cm2)

Allowable stress in shear for medium wood batten : (For example : 1 kg / cm2)

Rolled steel sections normally used for staging purpose :

Allowable stress in bending for rolled steel sections : (For example : 0.0 Fy)

Section modulus ( Z ) of 2″ x 4″ wooden batten, ISMC 75 and ISMC 100 :

Unit weight of 40 N.B. heavy & medium duty scaffolding pipe :

IS code confirming properties of Clamps / Coupler :

IS code confirming properties of wooden battens :

IS code confirming properties of steel tubes / scaffolding pipes :

IS code confirming properties of plywood : 

Value of co-efficient C1 for determining maximum lateral force of concreting column :

Load carrying capacity of 40 NB medium duty pipe at 1.0 m & 2.0 m unsupported length : 

Scaffolding system to support from the base at a height is also called :

Unit weight of 40 N.B. medium & heavy duty scaffolding pipe as per IS 1161 :

Which IS Code confirms the properties of steel tubes used for staging purpose :

Allowable stress in bending of plywood is taken as :

Prime requirements of formwork design are Quality, Safety and Economy :