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Betonski pontoni.Ferocement

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Zoran:
   Probaj da kontaktiras nekoga ko je napravio ferocementni brod,oni su ti najmerodavniji
 u samogradnji.Jedan od njih je Miki sa jedrilicom IPO.Ima marinu ispod gazele na NB strani.
 Prosetaj do njega pa popricaj.

ПЕЦОВ:
e sad,mozda je to zbog dimenzija.sto je "ponton" manji to je odnos stiropor-beton losiji u korist betona.ja se nosim mislju da probam da ih napravim 6kom od cega bi 4 bila od 4m i 2 od 6.nakon prvog probnog cu videti dal pliva i dal se isplati,u vezi sa nosivoscu.isto tako planiram da napravim maketu1;10 pa da probam da izracunam kolika je nosivost jednog segmenta.e sad ako ne bude plivalo  :sorry:.mislim da ce valjati,a ako ne moracu da angazujem nekog za metalne.

Kapetan:
da ne prevodim

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

ПЕЦОВ:
evo malo i na srpskom  http://www.argonaut.rs/pontoni.html

Kapetan:
bilo bi dobro da neko moze da uporedi pontone sa dimenzijama 2 x 5 x 1 metar , cena , korisna nosivost , odrzavanje...

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