Rezistenta beton

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 Rezistenta beton in functie de clase:

 

Rezistente caracteristice Rck, Rtk

 

Clasa betonului	Compresiune Rck [N/mm2]	Intindere Rtk [N/mm2]
C 2.8/3.5	3.00	–
C 4/5	4.50	–
C 6/7.5	6.40	0.76
C 8/10	8.50	0.92
C 12/15	12.50	1.19
C 16/20	16.60	1.43
C 20/25	20.50	1.65
C 25/30	24.30	1.86
C 28/35	28.00	2.03
C 32/40	31.60	2.20
C 40/50	38.50	2.51
C 50/60	45.00	2.78

Rezistente de calcul, valori de baza Rc*, Rt*

 

Clasa betonului	Compresiune Rc* [N/mm2]	Intindere Rt* [N/mm2]
C 2.8/3.5	2.20	–
C 4/5	3.20	–
C 6/7.5	4.70	0.50
C 8/10	6.50	0.60
C 12/15	9.50	0.80
C 16/20	12.50	0.95
C 20/25	15.00	1.10
C 25/30	18.00	1.25
C 28/35	20.50	1.35
C 32/40	22.50	1.45
C 40/50	26.50	1.65
C 50/60	31.50	1.85

Modul de elasticitate mediu pentru actiuni de scurta durata Eb

 

Clasa betonului	Eb [N/mm2]
C 2.8/3.5	–
C 4/5	–
C 6/7.5	14000
C 8/10	21000
C 12/15	24000
C 16/20	27000
C 20/25	30000
C 25/30	32500
C 28/35	34500
C 32/40	36000
C 40/50	38000
C 50/60	40000

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