Ŝelbetowych przekrojów prostokątnych, mimośrodowo ściskanych
x
= ξ
d
eff ,lim
eff ,lim
e
= e + 0.5h − a
1
s
tot
1
e
= e − d + a
s 2
1
s
2
R-2
2 f ( A e − A e ) x
= −( e − a ) + ( e − a 2
yd
s 1 s 1
s 2 s
)
2
+
eff
s 2
2
s 2
2
f b
cd
NIE
TAK
x
≤ x
eff
eff ,lim
p = 1 − ξ
NIE
x
≤ 2a
eff ,lim
eff
2
R-2
TAK
2 f A e
A = ( e
)
2 − a
yd
s 1 s
2
+
1
s
d ⋅ p ⋅ f b cd
2
2
B =
−
1 f A e
f A e
yd
1
s
1
s
− yd s 2 s 2
f b
p
cd
x
= −A + A2 + B
eff
2 1
( − ξ )
eff
κ =
−1
κ =
s
1.0
1 − ξ
s
eff ,lim
R-1 R-5
N
≤ f bx + f A − f A N e
≤ f A (d − a )
2
κ
Sd
cd
eff
yd
s
yd
s 1
s
Sd
s 2
yd
1
s
2
R-3
N e ≤ f bx ( d − 0.5 x ) + f A ( d − a ) Sd
1
s
cd
eff
eff
yd
s 2
2
STOP
R −
∑
1
X =
R
0
-
∑
2
M(N
)
0
Rd
=
R −
∑
3
M(A )
R
0
-
4
M(A )
0
1
s
=
∑
s2
=
R −
∑
5
M(A )
,
0 przy x
a
2
s2
=
eff =
2