Civil Engineering Reference
In-Depth Information
Fig. 7.13 Series II: HCS with 50 kg/m
3
of bers
Fig. 7.14 Series II: HCS with 70 kg/m
3
of bers
7.3.3 Shear Values According to Current Design Codes
and Failure Modes Discussion
7.3.3.1 Current Design Codes
Some authors like Pisanty [
5
], among others, claimed that the model proposed in
EC2 [
3
] to evaluate the uncracked shear capacity of prestressed elements overes-
timated the real ultimate strength. For this reason, the standard EN 1168+A2 [
1
]
proposes a reduction of shear resistance proposed by the EC2 [
3
] for regions
uncracked in bending by means of the reduction factor
ˆ
= 0.8 (see Table III.3).
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