The new plant of the colombian cement manufacturer ARGOS is located next to the shore, in the Cartagena de Indias bay, that is surrounded by nice landscapes.
The tallest element of the plant, the preheater, has been cladded with precast GFRC pannels, understood GFRC is glassfiber reinforced concrete.
Architectonic Concrete, S.L. has provided technical assesment to all the main stakeholders and steps for this particular cladding sollution to be done: the plant owner, architects, precaster, and the assembling teams; about cost and schedule, detail definition of the elements, anchorage systems, precast manufacturing quality, and assembly proceeds.
The architects entitled for design wished this ventilated façade to resemble the shape of a modern sail, to evocate the discoverer Columbus, after who the plant itself is named.
These precast pannels are conformed as GFRC shells, half an inch thick, which are connected flexibly, to an extend, through embeds to an iron studframe, sized to each shell.
The whole element (shell + studframe) weights around 45 Kg./m2.
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| Diedral main face. |
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| Diedral side face. |
The total cladding is a by-faced diedral, forming a sharp edge to give a perception of volume and hide the panels back-face as well.
The average pannel size is about 6 m2 and for the total closure it is 3.000 m2.
Elevation means for all the elements was through a winch placed on ground. The heaviest pannels to lift were of 400 kg.
In order to reduce the façades exposure to pollution of the surrounding atmosphere, the pannels where coated with silicate pigments.
Also wind loads at 40 m/s. speed where integrated, while in design fase, as a potential stress to the elements.
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