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A) Reinforced Concrete
Dimensions: Width:6 m, Length:20 m, Height:1.50 m, Wall thickness: 0.18 m
Design: The reinforced concrete body is of smooth monolithic construction prepared in a form, with a structure comprising 18 cm thick walls of dual-reinforced impervious concrete. No protective coat is required on the inside or outside.
Static load-bearing capacity: The reinforced concrete alone bears the load, eliminating the need for supplementary bracing elements like frames or bulkheads. Portions of concrete pontoons have a foam core to ensure the pontoon is unsinkable even if fissures develop, or in case of continuous water intake. Materials used for foam cores are not always harmless.
Displacement: 6 m width x 20 m length x 1 m draft = 120 m³ of displaced water
120 m³ x 1000 = 120,000 kg maximum weight
120,000 kg = 120 t
This means that a floating home with a draft of 1 m should not weigh more than 120 t, including the pontoon. N.B.: The weight of the building and pontoon should be specified separately, since the decisive factor is the structure above, not the pontoon.
Weight of reinforced concrete pontoon: 6.00 m x 20.00 m x 1.50 m = 180 m³. 180 m³ - 5.64 m x 19.64 m x 1.32 m = 33.78 m³
Total weight of pontoon: 33.78 m³ x 2.5 t/m³ = 84.45 tLoad capacity of building: 120 t - 84.45 t = 35.55 t
Hence, taking working loads etc. into account, the maximum permissible weight of the complete building structure including all built-in units is 35.55 t.
Ice stability: The manufacturer warrants the unit's ice stability.
Maintenance: The pontoon is basically maintenance-free, and is backed by a 20 year warranty against water ingress.
Other uses: The pontoon has no added walls or bracing elements, and can thus serve as a basement or sewage treatment unit.
Disadvantages: Unsafe Styrofoam core; no thermal insulation; buildup of condensation; permanent deformation; brittle, hence danger of developing fissures
vise na ovom linku ...
http://www.studionoach.com/default.asp?pageCID=2&lang=&catpage=ponton%20construction&catID={AD839942-CDC6-4A7E-8BF2-1374FA38C5FC}&subID=ponton%20construction
