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SIMAQ

Solution by job

Compact soil and asphalt

The right machine depends on the material and the space: cohesive soil wants impact (rammer), granular wants vibration (plate or roller), and a trench wants a machine that fits in the trench. Here's the full line so you can choose by jobsite.

Field rules

Do it right the first time

01

Clay (cohesive) soil = rammer. Sand or gravel (granular) = vibratory plate or roller.

02

Compact in 20–30 cm lifts. One thick, poorly compacted lift is settlement waiting for a date.

03

In trenches use a trench roller or rammer: the machine must fit and the operator must stay out of harm's way.

04

Full throttle before you engage vibration: vibrating at half throttle punishes the clutch and compacts less.

SIMAQ tool

How many passes does your lift need?

Play with lift thickness and material — target density comes from thin lifts and full passes.

Lift thickness25 cm

Recommended: 20–30 cm per lift.

Passes4
Soil moisture
Density reached

85%

Almost — tweak lift, moisture or passes

Target ≥ 95%

Compacted

Compact in 20–30 cm lifts: any thicker and the bottom never reaches density no matter how many passes. Watch moisture (optimum is the Proctor value). And passes have diminishing returns: the first does a lot, the sixth almost nothing.

Before you buy, learn

Guides for this job

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