Soil Sampler Tool Split Barrel Sampler Standard Penetration Test
Equipment
Split Barrel Soil Sampler 2" compose of Sample Spoon Head , Split
Tube , SPT Adaptor , SPT Shoe , Basket Retainer
SPT Sampler
Split Spoon
SPT Sampler
Split Spoon Sampler
Standard Penetration Test (SPT)
Standard Penetration Test Sampler
Standard Penetration Equipment
In order to carry out the Standard Penetration Test (SPT) to BS
1377:Part 9:1990. The Auto Trip Hammer, SPT Drive Rods and a Split
Tube Sampler are worked together.
The basic operation of the complete set Standard Penetration
Equipment are like the following sketch shows.
STANDARD PENETRATION TEST - SPT
The purpose of the Standard Penetration Test is to identify the
soil stratification and engineering properties of soil layers.
During the SPT, it was possible to take disturbed and undisturbed
samples (using split barrel-sampler) which were used for further
laboratory tests.
The in situ penetration test provides a soil sample for
identification purposes and for the laboratory tests that allow the
use of disturbed samples. The method of sampling soil consists of
driving a split-barrel sampler to obtain a representative,
disturbed sample and to simultaneously obtain a measure of the
resistance of the subsoil to the penetration of a standard sampler.
The resistance to penetration is obtained by counting the number of
blows required to drive a steel tube of specified dimensions into
the subsoil to a specified distance using a hammer of a specified
weight (mass).
All pertinent borehole data, penetration resistance, and sample
data must be recorded on a boring log data sheet. The depths at the
top or bottom of each 150-mm increment of sampler penetration along
with the number of blows required to affect that segment of
penetration should be reported. Data obtained from SPT, N-value, is
collected following some important steps:
1. preliminary test - number of blows for the 0- to 150-mm interval
of sampler penetration;
2. real test – number of blows for the 150- to 300-mm interval and
the 300- to 450-mm interval.
Hydraulic SPT automatic device, fitted on the drill mast side for
an easy positioning over the SPT rods. Drop stroke 760 mm, drop
weight 63,5 kg, with blows counter display on control panel.
Description of goods:
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.
Composition:
Split Spoon compose of Sample Spoon Head, Split Tube, SPT Adaptor,
SPT Shoe, Basket Retainer.
Specifications:
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.
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STANDARD PENETRATION TEST
Subsurface Exploration Using the Standard Penetration Test and the
Cone Penetrometer Test
Subsurface Exploration Using the Standard Penetration Test
Site Exploration, Site Characterization, Subsurface Exploration,
Drilling, Standard Penetration Test, Cone Penetrometer
The Standard Penetration Test (SPT) and Cone Penetrometer Test
(CPT) have become industry standards for subsurface geotechnical
investigations using small diameter (<8-in. [20-cm]) borings and
soundings. Both procedures have evolved over a period of 100 and 70
years, respectively, and have been adopted as ASTM standards. Each
procedure has certain advantages over the other, but both can
elicit incorrect data under particular subsurface conditions that
are often overlooked, depending on the experience of field
personnel operating or logging the tests. This paper seeks to
explain the operative assumptions employed in both procedures,
highlight the various corrections that are commonly employed, and
warn the reader of common errors in interpretation.
The article concludes by stating that, under most conditions, the
joint employment of SPT and CPT together has the greatest potential
for characterizing sites correctly.
ASTM D1586 - 11
Standard Test Method for Standard Penetration Test (SPT) and
Split-Barrel Sampling of Soils
FAQ
Terms & Conditions of Ordering:
Quality warranty:
Our products are made of high quality steel and all spares parts
are inspected strictly before shipping. We have quickly responses
for your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for package to protect the
products and avoid the damage during transportation. Also we can
customize package according to your special requests.
Production time:
Generally need 15-25 days
Transportation:
By air, By Express or By sea according to your requests.
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or
by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before
shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours
(Holidays Excluded)
b. Technical Support will be available in any time
6. Quality & Service:
There will be strict inspection and testing for every order before
shipping out.
For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
