09-17-2009, 02:41 PM 
	
	
	
		Hi, I have a bridge of postensionig concrete, this bridhe have a span 20m and I have characteristics of this span. I required the characteristics for  35m span, Is there a simple procedure for a preliminary design.
Please help me
Regards
Unamuno
PD.-I have the postensionig force for 20m span
	
	
	
Please help me
Regards
Unamuno
PD.-I have the postensionig force for 20m span






 
				
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