|
This wall is located along the Second East West Highway at
Package 2 which links Pos Selim to Blue Valley in Cameron
Highland. A long viaduct was originally proposed on a section
of this highway that passed through steep mountainous terrain
in the Main Range of Peninsular Malaysia. Unfortunately, the
construction of viaduct is especially difficult, expensive
and time consuming because of the steep terrain. The remoteness
of this area caused severe logistics problems as poor site
access prevented the mobilization of heavy machineries and
construction materials. The mountainous terrain also posed
undesirable working conditions that will adversely affect
the work progress. Nehemiah wall was subsequently adopted
as an alternative. Trapezoidal wall design with shorter reinforcing
bars at the lower portion of the wall was adopted in order
to minimize the amount of excavation thereby resulting in
cost saving. The typical section for the mentioned wall is
shown in the sketch below. Besides that, the modular precast
concrete panels and accessories were compact and easily mobilized
to the site due to its portability. The construction of the
Nehemiah wall was smooth and rapid thereby providing significant
savings in terms of time and money to client. It was in this
project that the highest reinforced soil wall in Malaysia,
at a height of 20.5m was built.
| 
