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Products > T-Beams / M-Beams

 


OKA PRESTRESSED (PRETENSIONED) T-BEAMS                               
PDF Brochure

JKR STANDARD T-BEAMS:PRT 1, PRT 2, PRT 3(FOR SPANS UPTO 22M)
JKR MODIFIED T-BEAM:PRT M(FOR SPANS UPTO 28M)

 

 

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  T-Beams-1a_1F.jpg T-Beams-2a_4A.jpg
   
Specifications   
 1.Prestressing strands : Low relaxation 7-wire strands to BS 5896:1980; nominal diameter 12.9mm (10m span), nominal diameter 15.7mm (>10m span), 
 2. Concrete characteristic strength : 50N/mm2, nominal concrete cover : 50mm,  
 3.Typical cross beams : end cross beams 400 x 850mm; intermediate cross beams 600 x 850mm at every 9m or less,
 4.Customized beam designs upon request.
   

 

T-Beams-3a_58.jpg

 TYPICAL SECTION OF CARRIAGEWAY

   

 

OKA PRESTRESSED (PRETENSIONED) M-BEAMS         M-Beams-0a_4A.jpg   
  
M-Beams-1a_83.jpgM-Beams-2a_6Z.jpg
  
M-Beams-3a_5F.jpgM-Beams-4a_52.jpg
  
M-Beams-5a_2C.jpgM-Beams-6a_96.jpg
  




Note
1.Prestressing strands are 12.9mm diameter 7-wire super strands (low relaxation) conforming to BS 5896:1980.
2. It will be more economical (no additional production costs) if designers adopt the standard layout for prestressing strands as shown above.
 

 

 

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