Helping our customers achieve success

EMAIL: estimating@milbank.co.uk TEL: 01787 223931

TEL: 01787 223931

EMAIL: estimating@milbank.co.uk

Helping our customers achieve success
Milbank is one of the UK’s leading manufacturers of precast concrete products with a focus on exceptional customer service. With a trading history spanning over 70 years, we are dedicated to helping our customers achieve success.

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Floorspan Calculator

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Finishes     kN/m2    
Chipboard   
     
50mm Screed   
     
75mm Screed   
     
Use your own Finish Load 
   Total Finishes 
12mm plaster or plasterboard ceiling 
   kN/m2 
           
Partitions     kN/m2   
Studwork   
     
100mm lt. wt. block, plastered, 2.4m high
     
100mm med. wt. block, plastered, 2.4m high
   Total Partitions 
Use your own Partition Load 
   kN/m2 
           
Live Loads    kN/m2      
Domestic   
     
Domestic Garage or Office 
     
Communal Area  
   Total Live Load 
Use your own Live Load  
   kN/m2 
           
     Clear Span required m   
           
Unit Type Acceptable Max Clear Span Predicted Camber Natural Frequency Hz Self Weight (kN/m2) Centres Structural Depth Floor Type
T155 Single -maximum Standard Beam and Block Floors using 1450kg/m3 infill blocks
T155 Single -alternate
T155 Single -narrow
        
T155 Double -maximum
T155 Double -alternate
T155 Double -narrow
        
T225 Single -maximum
T225 Single -alternate
T225 Single -narrow
        
T225 Double -maximum
T225 Double -alternate
T225 Double -narrow
         
T155 Single -maximum Warmfloor with 75mm Min Structural screed
T155 Double -maximum
        
T225 Single -maximum
T225 Double -maximum
         
PS-150L Hollowcore
PS-150H
PS-200
PS-250
           
Notes         
1 Prestessed units are designed to BS8110-1:1997     
2 Max span limited to 50 x unit depth      
3 Actual camber can exceed predicted camber by up to 50% (BS8110-1: clause 6.2.8.4)  
4 Natural frequency =18/√δ, δ Based on Full Dead + 10% Live Loads    
5 Fire Resistance 1 Hour calculated in accordance with BS8110-2:1985    
6 Durability        
  Unit Type  Ref Nominal cover Suitable for exposure classes
  PS Beams  T155, T225 25mm  XC1, XC3 and XC4 
  Hollowcore PS-150L, PS-150H,
PS-200, PS-250		 30mm  XC1, XC2, XC3, XC4 and XD1
7 Serviceability: Milbank prestressed units are designed to meet Class 2 criteria as set out in BS8110-1: Clause 4.1.3
Print Load Span Table

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