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Audited Supplier U100 Sampling Systems
This equipment is designed for obtaining undisturbed samples in most soils and some weak rocks such as Chalk and Marl. The sampler produces a nominal 100 mm (4") diameter soil core, approximately 450 mm (18") long.
The sample tube with attached cutting shoe is driven into the ground by means of a Sliding Hammer.
A Drive Head (or Bell Housing) fits between the Sliding Hammer and the Sample Tube and contains an "overdrive space" and a ball valve. The ball valve allows air to be released as the tube is driven into the ground.
Two types of U100 sampling system are in common use :
Standard System
Consists of a Steel or Aluminium Sample Tube,Cutting Shoe and optional Corecatche Cutting shoes are case-hardened and may have a plain or serrated edge. Plastic or Alloy End Caps are available to fit sample tubes and a special Sealing Wax is used for long-term storage of samples.
Plastic Liner System
Consists of a steel Body Tube, which encloses a replaceable Plastic Liner. Plain or serratedCutting Shoes attach onto the base of the Body Tube, and an optional Corecatcher and Spacer Ring (required when a Corecatcher is used). Plastic End Caps are available to fit the plastic liners.
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