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Section 5
5-177
Where,
j = moving load system type number (integer limit of 200 types)
n = number of loads (e.g. axles), 2 to 200.
f
i
= value of conc. i
th
load
d
i
= distance between the (i+1)
th
load and the i
th
load in the
direction of movement
w = spacing between loads perpendicular to the direction of
movement. If left out, one dimensional loading is assumed.
(e.g. the width of vehicle). This parameter will double the
total load since the f
i
is applied to each wheel.
NOTE: For a single moving load use: TYPE j LOAD f
1
DIST 0
Define Moving Load using an external file
Use the second TYPE specification.
TYPE j load-name (f)
Where,
load-name Is the name of the moving load system (maximum
of 24 characters).
and f = Optional multiplying factor to scale up or down
the value of the loads. (default = 1.0)
Following is a typical file containing the data.
CS200 ----- name of load system (load-name, must
start in column 1)
50. 80. 90. 100. ----- loads (all on one 79 char input line)
7. 7. 9. ----- distance between loads (one line)
6.5 ----- width