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This type of joint was specifically designed for highway use within structures creating horizontal movements up to 15 mm and vertical movements up to 5 mm. Due to its characteristics, it can be fitted on any type of structure, whether it is made of reinforced concrete, prestressed concrete or steel. It consists of:

• a Hypalon gutter, ending at its extremes with a mesh securing it to the slab;
• a neoprene ribbed bulb, of suitable section, resting onto its upper wings on the edges of the slab heads, recessed within the gap.

The Hypalon gutter ensures watertightness of the deck and drainage of waters outside of the road bed. It is a seamless type of gutter and it covers the entire road bed with the right slope and it is fixed to the slab by means of a mesh with epoxy adhesive and primer.



The function of the neoprene bulb is to support the overhanging pavement.

 

JOINT TYPE
  HEIGHT
H (mm)
  WIDTH
*X (mm)

  GAP

*Y (mm)

Bulbo piccolo

43 

45 

Max 20 

Bulbo medio

77 

80 

Max 40

Bulbo grande

90 

130 

Max 50

MS  
 
 POS.

DESCRIPTION

MATERIAL

A

Epoxy plaster

S Fip 180

B

Bulb

"EPDM"

C

Gutter

Hypalon

D

Epoxy plaster

S Fip 180

E

Binder

 

F

Road surface  

 

 

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mimetype Expansion joints