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Concrete Post Prestressed

 

The reinforced concrete is not a real building material but a technique for creating post, designed to optimize the compression efforts, to the benefit of the work of the concrete. The prestress is provided to the post when it is realized. The concrete is made up of two components: the stone (aggregate) and the glue which covers, winds and connects the single stone elements. The stone component, commonly called inert, is constituted by at least two ingredients: the sand (fine stone aggregate) and gravel or crushed stone (aggregate coarse stone). The glue component is constituted by two ingredients: water and binder, the latter can be of different origin, the most important component is the Portland concrete. The concrete is resistant only to mechanical stress compression, but when the concrete metal reinforcements are drowned (reinforcement) inside, the reinforced concrete is able to bear also bending and traction stresses, typical of the reinforcement steel. However very little stresses only, because when they become greater it begins to crack and expose the reinforcement to the environmental degradation. Hence, the need of the evolution to the prestressed reinforced concrete, which differs from the presence of high-quality metal reinforcements, usually steel strands, stretched before the concrete casting, then loosed when the concrete is properly hardened.

This operation leads to greater benefits in terms of dimensional stability (especially to the bending). The reinforcement strands are indeed hampered by the hardened concrete adherence in summarizing the original length and remain in tension, while the concrete remains in a state of compression. This compulsion state (of traction in the iron and compression in the concrete) can bear high bending loads before they reach the concrete cracking.

 

PRESTRESSED CONCRETE WITH ROUNDED CORNERS

 

concrete pole

sez_pali_cem_5x5 tl_files/catalogo/Pali_in_cemento/extra/6x6.jpg  

DESCRIPTION

 

Prestressed post size:

5x5 cm

6x6 cm

7x7 cm

7x8 cm

8x8 cm

9x9 cm

8x12 cm

14x14 cm

reinforcements 8, 12. 18, 36 wires (see attached pdf)

 

also staining

tl_files/catalogo/Pali_in_cemento/extra/7x7.jpg tl_files/catalogo/Pali_in_cemento/extra/7x8.jpg
tl_files/catalogo/Pali_in_cemento/extra/8x8.jpg tl_files/catalogo/Pali_in_cemento/extra/9x9.jpg

 

IN VIBRATED CONCRETE

in vibrate concrete

Disegno - pali in cemento vibrato


DESCRIPTION

Vibrated post little holes
Vibrated post slot
Reinforced vibrated post

PRESTRESSED CONCRETE
Item codeItem description
1P1C000 PRESTRESSED CONCRETE MT1 5X5 CM 8 WIRES

1P1C010 PRESTRESSED CONCRETE MT1 6X6 CM 8 WIRES

1P1C020 PRESTRESSED CONCRETE MT1 7X7 CM 8 WIRES

1P1C030 PRESTRESSED CONCRETE MT1 7X8 CM 12 WIRES

1P1C040 PRESTRESSED CONCRETE MT1 8X8 CM 12 WIRES

1P1C050 PRESTRESSED CONCRETE MT1 9X9 CM 12 WIRES

1P1C060 PRESTRESSED CONCRETE MT1 9X9 CM 18 WIRES

1P1C070 PRESTRESSED CONCRETE MT1 8X12 CM 18 WIRES

1P1C080 PRESTRESSED CONCRETE MT1 14X14 CM 36 WIRES

IN VIBRATD CONCRETE
Item codeItem description
1P2C000 VIBRATED POLE LITTLE HOLES

1P2C010 VIBRATE POLE SLOT

1P2C020 RINFRCED VIBRATED POST

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