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SPT Split Tube Samplers
Standard:
BS, ASTM
Material :
Alloy Steel
Size:
2″ (50.8 mm) OD x 1.3/8″ (34.9 mm )ID x 18″ (457mm)/ 24″ (610 mm)
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 The ball valve adaptor prevents sample from being washed out of the sampler when the sampler is withdrawn from the borehole.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.
Product Description
Key Features
Standard Split Spoon Sampler
SPT split tube sampler Components including ball valve adaptor, split tubes, basket retainer and SPT shoe.
Specifications
Types of Penetration Test
There are two common types of penetration tests used and they are: –
- Standard penetration test
- Dutch cone test
Standard Penetration Test
The standard penetration test is an in-situ test that is performed in a clean hole, 55 to 150mm in diameter. The test will measure the resistance of the soil strata to the penetration conducted.
Application
Tools for Standard Penetration Test
The requirements to conduct SPT are:
- Standard Split Spoon Sampler
- Drop Hammer weighing 63.5kg
- Guiding rod
- Drilling Rig.
- Driving head (anvil)
