Redundancy analysis - Computational Analysis and Design of Bridge Structures - page 470

Table 15.4 Summary of analysis cases
Analysis case

Methodology Load cases Structural elements

No. Description Analysis

methodology

Bridge member
evaluation

AASHTO
Live loading Truss members Floor system

2D truss
(TRAP)

3D frame
(ANSYS)

Plain
truss

Dead
loading

Primary
stresses

Secondary
stresses

Floor
beams All members Nonfatigue Fatigue Sidewalk Wind Stringers Connections

1 Primary stress

analysis and
code check of
plane truss for
the following:
(a) PHL-93

X X X X X X X

(b) P-82 X X

2 Secondary stress

analysis and
code check for
truss and loor
system for the
following:
(a) PHL-93 X X X X X X X X X

(b) P-82 X X X X X X X X X

3 Redundancy

stress analysis
and code check
for truss and
loor system for
one bottom
chord channel
cut:

(a) PHL-93 X X X X X X X X X

(b) P-82 X X X X X X X X X