Nonlinear Finite Element Analysis of Concrete Structures

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e* = strain in the R 1 -direction, see fig. 4.3-2 *nd
eq. (4.3-3);
E' = circumferential strain, eq. (4.3-3);
o
e.. = strain tensor, eq. (4.1-2);
ID
e s P = specific creep strain, eq. (2.3-1);
£^. = elastic strain tensor, eq. (3-7);
e. . = strain tensor in an element, eq. (4.1-27);
e?. = initial strain tensor, eq. (4.1-3);
c.. = plastic strain tensor, eq. (3-7);
e. . = initial strain tensor in an element, eq.
(4.1-28);
e = strain vector, eq. (4.2-5);
E'
= strain vector in the local coordinate system,
fig. 4.2-3;
e = initial strain vector, eqs. (4.2-9) and (4.2-11);
e/ = strain vector for a bar element. This vector is
b
related to local coordinates, eq. (4.3-3);
e',
= initial strain vector for a bar element. This
ob
vector is related to local coordinates, eqs.
(4.3-6) to (4.3-9);
n = shear retention factor, eq. (4.2-20);
6 = angle in deviatoric plane, see fig. 2.1-1 b)
and eq. (2.1-3);
K
= factor describing the shear stiffness of the
reinforcement, cf. section 4.3 and eq. (4.3-8);
X = function in the failure criterion, eqs. (2.1-5)
and (2.1-8);
A
v
= positive function in the flow rule, see eq.
(3-3);
= Poisson's ratio;
v, = initial Poisson's ratio, eq. (2.2-7);