BBPAC : Compactor – Pneumatic Tyred Roller

 

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Uniform compaction of parallelepiped specimens (slabs) of bituminous mixtures.
Level 0 of the French Mix Design procedure.

 
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Description

Laboratory apparatus allowing the production of homogeneous slabs of hydrocarbon materials, according to the NF P 98-250.2 standard.
The material, placed in a parallelepipedic mould, is subjected to the action of a wheel or a coupling which can have vertical movements (with application of a preset variable load), longitudinal (at constant speed), transverse (imposed or free positions).
The bottom of the mould is mobile to hold the upper part of the material in the rolling plane. The pre-compaction, compaction and surfacing phases are carried out successively by varying the settings of the machine.
The opening at the front of the compactor frame allows easy handling of the moulds.

Features

MECHANICAL/ELECTRICAL FEATURES
Compaction time of a slabs
On average 20 minutes
Average dispersion as a function of percentage void
σ = 0.125 (V %) where V % = plate void content expressed in %
Useful dimensions of the resulting slabs
Pour l’ornierage : L = 0,60 m ; l = 0,40 m ; 0,025 ; h = 0,15 m,
Pour la fatigue : L = 0,50 m ; l = 0,18 m ; 0,025 ˜ h ˜ 0,15 m
Pneumatic
Single or twin mounted, smooth profile
Puissance
2500 W
Load capacity of the tyre inflated to 7.105Pa
520 daN
Nominal pressure
7 bar, 0,7 Mla

DIMENSIONS AND WEIGHT BBPAC
Compactor
L= 1,70 m ; p = 1,30 m ; h = 1,10 m
Console
L = 0,80 m ; P = 0,55 m ; h = 1,10 m
Compactor weight
950 kg
Lectern weight
80 kg

Highlights

Durability

→ Demonstrates longevity, with units exceeding life cycles of over 20 years

Flexibility

→ Compacting in both free and locked mode
→ Programming of number and type of passes

Security

→ Integration of several security levels

Visibilité

→ Clear view of compaction

Rapidity

→ Distinguishes itself by its speed of compaction, which represents a significant operational time saving for the operator

Datasheet