Issue 38
N. Vaysfeld et alii, Frattura ed Integrità Strutturale, 38 (2016) 1-11; DOI: 10.3221/IGF-ESIS.38.01
ach a ch a 2 1 1
1
G x 21
a x
sh
,
sh a
2
1
x a
sgn
x
a x
x ch a
x
x sh a
ch
a x
sgn
a x ch a
ch
x
G x 22
,
sh a sh a ch 2
1
x
a x ch a
sh a a x sh 2
2
1
a x a
x a ch a ch
x
x sh a
a x ch a
A PPENDIX B
3 2 1 1 1
4 2 G
2
2
G
G
G
2
2
2
2
2
c 0,
c
c
c
c
,
,
,
,
0
1
3,1
2 1 1
2 1
2 1
4 2 G
4 2 G
4 2 G
1
1
G
G
16
16
c
c
c
c
c
,
,
,
,
3,2
3,1
3,2
4
4
2 1 1
2 1 1
2 1 1
1
1
A PPENDIX C
0
c
c
x
c
c
x
1
1
1
1
c
c
с
i
i
3,1
3,2
3,1
3,2
1
2
2
k
d
ki
2
2
2
2
x
x
x
2
2 2
x
x
x
x
2
2
2
i
i
i
i
i
i
i
1
1 1
1 1
c
x c
x
i
i
4
4
K x d k N i , , 0, 1,
N 0, 2 1
i
3
3
x
x
2
2
i
i
1 0
2
2
c
c
x
c
c
x
1
1
1
1
c
c
с
i
i
3,1
3,2
3,1
3,2
1
k
d
ki
2
2
2
2
x
x
x
2
2 2
x
x
x
x
2
2
2
i
i
i
i
i
i
i
1 1
1 1
c
x c
x
i
i
4
4
K x d k N i , , 0, 1,
N 0, 2 1
i
3
3
x
x
2
2
i
i
r x i ,
f
N 0, 2 1
i
i
R EFERENCES
[1] Vorovich, I. I., Kopasenko, V. V., Some problems of elasticity theory for the semi-strip. (in Russian), Prikladnaya matematica i mekchanica, 30(1) (1966) 128-136. [2] Pickett, G., Jyengar, K. T. S., Stress concentrations in post-tensioned prestressed concrete beams, J. Technol., India, 1(2) (1956). [3] Yamasida, Research of the tensions in semi-infinite strip under acting forces applied to its edge, Trans. Japan. Soc. Mech. Engrs, 20(95) (1954) 466.
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