Express Structures: Concrete. Minimum characteristic resistance (Video 9)
        Recording date: Jan 15, 2020
    
        Viewed: 401
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What is the main reason why the current Structural Concrete Instruction establishes that the minimum strength of reinforced concrete is 25 MPa? And why, for mass concrete elements, is the use of HM-20 concrete allowed?
                            License: Creative Commons Legal Code CC0 1.0 Universal
                    
                                    
                    series:
                    
                        Express Structures: Concrete
                    
                
                    
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                        Author: Servei de Recursos Audiovisuals
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                        Producer: uib
 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    