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Comparison between Ram Post and PowerScrew system

Addtime:2012-6-16 0:47:23

  PowerScrew is a cost-effective product offering strong support for structural load, high stability, anti-sedimentation and anti-drawing performance. For all these reasons it is favored by both PV and windmill industries, as well as in other construction. In other conditions, Powerway can meet customers’ needs through its Ram Post system, which is effective in projects where adaptation to specific soil conditions is of concern.

Ram Post

Ground Screw

Production

Clay

Gravel soil

Process simple, cutting and punching directly to the structural steel.

Processing technology is more complex and involves heating, swaging, thread welding and punching

Material

Clay

General thickness: 4mm

Tube thickness range:2.5mm~4mm

Gravel soil

Needs greater tube thickness, above 4 mm, when the same resistance strength is called for. Ram post also demands deeper length and more material than Ground screw.

Ground screw is rotated into the soil, without having to tamp the gravel, so higher strength and thickness is required: 3mm~4mm.

Installation

Clay

1. Requires deeper penetration, which increases installation cost and time.

2. Demands high installation accuracy, and results in reduced height adjustment.

3. Ram post poles are complete, and require no extra fittings.

1. After installation, height adjustment is greater.

2. Extra connection fittings between ground screw and pole are required.