Civil Engineering Reference
In-Depth Information
Figure 13.7
Installation of prefabricated bridge at Murrarie concrete batching plant.
geopolymer deck bridge structure. The geopolymer concrete deck acts as
the compression flange to the bridge as well as providing a serviceable
wearing deck. The client was the Brisbane City Council and the certifying
engineer was i-cubed Pty Ltd.
Precast beams
The supply of grade 40 geopolymer to produce 33 precast floor beam-
slab elements marks a significant milestone in modern geopolymer con-
crete. Believed to be the first application of modern geopolymer concrete
into the structure of a multistory building, these precast floor beams form
three suspended floor levels of the very innovative GCI building, which is
a showcase for next-generation sustainable building technologies. There
are two sizes of beams that span 10.8 m (× 2.4 m wide) and 9.6 m (× 2.4 m
wide), respectively. Apart from being a structural floor element, the beams
also are a major architectural feature, having an arched curved soffit and
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