Civil Engineering Reference
In-Depth Information
Case 1: Without shear reinforcement
2.5
12.0
CONSERVATIVE
11.0
2.3
10.0
2.0
9.0
8.0
1.8
7.0
1.5
6.0
5.0
1.3
4.0
1.0
3.0
2.0
0.8
1.0
UNCONSERVATIVE
0.5
0.0
sigma (Prestressed beams)
SM (EHE-08)
SM (MC2010)
SM (RILEM)
Case 3: Beams with only fibers
2.50
14.00
CONSERVATIVE
2.25
12.00
2.00
10.00
1.75
8.00
1.50
6.00
1.25
4.00
1.00
2.00
sigma (Prestressed beams)
SM (EHE-08)
0.75
SM (MC2010)
SM (RILEM)
UNCONSERVATIVE
0.50
0.00
Fig. 8.49
In
fl
uence of the stress due to prestressing actions (
˃
c
) on shear safety margins
References
1. Muttoni, A., and M.F. Fern
ndez-Ruiz. 2010. Shear in slabs and beams: should they be treated
in the same way? In b Bulletin 57. Shear and punching shear in RC and FRC elements.
Workshop Proceedings, p. 268.
2. Cladera, A., and A.R. Mar
á
. 2006. Shear design of reinforced and prestressed concrete beams:
A proposal for code procedure. Hormig
í
63.
3. Di-Prisco, M., G. Plizzari, and L. Vandewalle. 2010. MC2010: Overview on the shear
provisions for FRC. In
b Bulletin 57. Shear and punching shear in RC and FRC elements.
Workshop proceedings, 268 pp.
4. Bentz, E. 2010. MC2010: Shear strength of beams and implications of the new approaches. In
b Bulletin 57. Shear and punching shear in RC and FRC elements. Workshop proceedings,
ed. F. Minelli and G. Plizzari, 268 pp. Italy: University of Brescia.
5. Rosenbusch, J., M. Teutsch, D. Dupont, L. Vandewalle, R. Gettu, B. Barrag
á
n, M.A. Mart
í
n,
G. Ramos, and I. Burnett. 2002. Subtask 4.2: Trial beams in shear. In Brite-Euram Project:
Test and design methods for steel
bre reinforced concrete.
6. Dupont, D., and L. Vandewalle. 2003. Shear capacity of concrete beams containing
longitudinal reinforcement and steel bers. ACI Special Publication 216: 79
ó
n y Acero 242(4): 51
-
94.
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