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Due
to the increase of allowable service loads of each train-container
axle from 15 tons (U.15) to 20 tons (U.20) designated
by the State Railway of Thailand, SRT, and the fact that
numerous bridges had been used for a long period of time
causing wear, tear, fatigue, fractures, and rust to the
structures, of which might require major rehabilitation
and additional reinforcement to stabilize bridges, IMMS,
as a national leader in structural design and retrofit,
was awarded by SRT to provide comprehensive services.
The
services included
| (1) |
perform visual inspection |
| (2) |
categorize bridges to minimize
the work |
| (3) |
generate bridge database format
by using the approach of IMMS Bridge Management
System, BMS |
| (4) |
perform actual load test |
(5) |
create computerized model by
Finite Element Method, FEM |
| (6) |
perform load-carrying capacity
assessment of bridges |
| (7) |
determine remaining life of
bridges |
(8) |
provide bridge reinforcement
as required for U.20 loading |
| (9) |
provide the cost estimate for
the rehabilitation |
| (10) |
perform the economic analysis;
benefit per cost ratio, Economic Internal
Rate of Return, EIRR, etc. |
| (11) |
provide national bridge rehabilitation
plan and procedure. The total lump sum fee
of this project is 25,989,230 baht. |
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