Ferrocement Shell Roof Construction

Ferrocement fc is a form of thin shell construction that uses standard portland cement usually mixed with plaster sand.

Ferrocement shell roof construction. Ferrocement roof shall transfer much less heat as compared to ac sheet metal sheets roof. Introduction roofs structural aspects tagged earthbag earthbag building earthbag construction earthbag house. Ferrocement or ferro cement is a system of construction using reinforced mortar or plaster lime or cement sand and water applied over an armature of metal mesh woven expanded metal or metal fibers and closely spaced thin steel rods such as rebar the metal commonly used is iron or some type of steel. Corrugated roof units reinforced with local fibers comparable to.

Ferrocement construction technology is quite popular throughout the world. His method creates a strong shell at first with the insulating concrete put on top later. It can be fully insulated against heat transfer. A team of folks in africa make some 7 3m long ferrocement roof channels for placement on top of a cseb house.

Compared to traditional construction the cement is reinforced with more steel or fiber at a closer spacing. Make ferrocement roof panels on the ground so you don t have to plaster overhead. Ferrocement channel roof provides light weight roofing 60 reduction in dead weight as compare to rcc pre casting of roof leads to substantial reduction in construction time 20 saving in cost possible because of reduction in steel quantity and elimination of coarse aggregates and. That makes sense to me.

Reduced spacing yields uniform force dispersion and increases strength. Ferrocement can be monolith jointless roof eliminating trusses and purlins nuts and bolts and joints as in the case of ac sheet metal sheets roof. Before building the walls and roof of the tank there must be a sturdy foundation in place. For industrially developed countries ferrocement seems economical for medium size storage tanks some type of roof shell construction boats and ships and wherever the ease of forming complicated shapes and the lighter weight of ferrocement can be safely exploited.

The wire framework will hold the pieces together which in some applications boat hull ceiling and roof is an advantage. There are many structures built of ferrocement housing units shell roofs water tanks and swimming pools biogas digesters silos food storage units and for some specialized. The cement is typically a very rich mix of cement and sand in a 3 1 ratio. The low cost technology is simple durable and reproducible.

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