Soil Penetration Test SPT Sampler with Direct Push , Geological Investigation Usage

Soil Penetration Test SPT Sampler with Direct Push , Geological Investigation Usage

Standard Penetration Test Sampler
SPT Sampler , Standard Penetration Test Sampler 2" for Geotechnical soil Sampling and Testing with Direct Push


Detailed Product Description:

SPT Split Tube Sampler is for doing the Standard Penetration Test (SPT). We manufacture it according to BS 1377: Part 9: 1990. A Top ball valve Adaptor, a pair of Split Spoons, and an open SPT Shoe compose a complete set of SPT Sampler. Both plastic type and steel type basket retainers are available. The ball valve adaptor prevents sample from being washed out of the sampler when the sampler is withdrawn from the borehole. A 60 degree nose cone and long solid rod with 60 degree point are available as well. The screw connection on the top adaptor depends on the type of drill rods being used to drive the sampler, but is most frequently 1.1/2" B.S. Whitworth, NWY Rod, BW or AW Rod.

Split Spoon compose of Sample Spoon Head, Split Tube, SPT Adaptor, SPT Shoe, Basket Retainer.

The standard Split Tube Sampler is 2" (50.8 mm) OD x 1.3/8" (34.9 mm )ID x 18” (457mm)/ 24" (610 mm) long. For heavy driving conditions, the Heavy-duty "Tuflok" design is available.

Applications:

Geotechnical Sampling and Testing with Direct Push

The Shelby Tube is advanced hydraulically and captures a relatively undisturbed soil sample. The Shelby Tube's thin walls and sharp cutting edge requires little effort to push into the soil. Not recommended for drilling through gravel or hard clay.

Shelby tube samplers consist of a one-piece, thin-walled, hollow steel tube with an open-end that has been honed to a cutting edge. The main purpose of the Shelby Tube sampler is to recover relatively undisturbed soil samples suitable for laboratory tests of engineering properties such as strength, compressibility, permeability, and density. They are very useful for collecting soils that are particularly sensitive to sampling disturbance, including fine cohesive soils and clays, provided that the soil has not been disturbed by sinking the borehole and are free from large particles.

Advantages include:

• Seamless steel tubing

• Collection of good quality, virtually undisturbed samples for lithological description and chemical analysis

• Effective in fine, cohesive soils

• 2" samplers are ideal for use through 3 1/2" geotechnical direct push systems (dual tube) page 95 and 2 1/4" ID hollow stem augers

• 3" samplers are ideal for use through 4 1/2" ID hollow stem augers

For more information, please contact:

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

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