













 
 










  
   
   



 

   



(2.3-1)



   
 


      
(2.3-2)


 
        
   
  
(2.3-3a)
  
        
   
(2.3-3b)
  


 






 ≥  
(4.1-1)
      
(4.1-2)





(4.1-3)
    



공용내하력  내하율   × 평가활하중
내하율   
        
     
  
   

(4.1-4)
(4.1-5)
  












 
   ≤ 
 
(4.2-1)
  
    ≤ 

(4.2-2)
  
    ≤ 

  
(4.2-3)


