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The Electrified Double Track Project between Rawang and Ipoh
is a major engineering project that entails the reconstruction
of 400 track-km over a route length of 180km. The project
requires construction of bridge crossings, replacement and
widening of old bridges. Nehemiah wall was extensively used
to construct the embankment walls and the abutments to support
the bridge. The construction of Nehemiah wall was rapid and
the interference with the vehicular and train traffic was
minimized due to the "erection from behind" method
that was being implemented. The maximum height of the wall
was 13.0m. In addition, the embossed panel facings of Nehemiah
wall provides an aesthetic finish to the structures. A typical
section is shown in the sketch below.
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