Standard Test Method for Standard Penetration Test (SPT) and Split Barrel Sampling of Soils
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Standard Test Method for Standard Penetration Test (SPT) and Split Barrel Sampling of Soils
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Features
Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 2 INCH
High Light:

automatic trip hammer

,

soil sampling equipment

Payment & Shipping Terms
Packaging Details: Poly wooden box
Supply Ability: 100000 pcs
Specifications
Item: Sampling Method
Sampling: Sampling Distribution
Sampler: Split Spoon Sampler
Name: Standard Split Spoon Sampler Dimensions
Use: Spt Sampler Diameter
Origin: China Split Spoon Sampler
Suppliers: Spt Sampler, Spt Sampler Suppliers
Sales: SPT Sampler On Sales
Manufacturers: SPT Sampler Manufacturers
Type: SPT Split Tube Samplers And Accessories
Product Description

Standard Test Method for Standard Penetration Test (SPT) and Split-Barrel Sampling of Soils

 


1.8m - 2.6m Automatic SPT Hammer Standard Penetration Test For Soil
 

1.8m - 2.6m Automatic SPT Hammer Standard Penetration Test For Soil



Detailed Product Description:
 

SPT Auto Trip Hammer is produced complying with the Standard Penetration Test (SPT) to BS 1377: Part 9: 1990.
 

The Automatic Trip Hammer is manufactured for complying with the Standard Penetration Test (SPT) to BS 1377: Part 9: 1990. SPT Drive Rods and a Split Tube Sampler are connected to base of the anvil, and driven into the ground by the falling weight.
 

The Automatic Trip Hammer comprises a weight of 63.5 kg complete with pick-up and self-tripping mechanism that ensures that the weight has a free-fall of exactly 760 mm. The inner shaft acts as a guide that permits the weight to drop with minimal resistance and ensures that the weight strikes the anvil squarely.
 

The SPT anvil thread usually is processed with a 1.1/2" B.S. whitworth to fit our standard SPT rods. Adaptors to other types of drill rod can be supplied on request. The overall length of the hammer is 2.6 m extended and 1.8 m when unextended. The total weight of the hammer is 110 kg.


 

Automatic Trip Hammer:


The Automatic Trip Hammer is designed for driving the Split Tube Sampler and conforms to the requirements of BS 1377: Part 9: 1990 for carrying out the Standard Penetration Test (SPT) or Super Heavy Dynamic Probing (DPSH).
 

The hammer consists of a weight of 63.5 kg complete with pick-up and self-tripping mechanism that ensures that the weight has a free-fall of exactly 760 mm.
 

The inner shaft acts as a guide that permits the weight to drop with minimal resistance and ensures that the weight strikes the anvil squarely.
 

The drive rods screw securely into the base of the anvil, which is supplied with either a 1.1/2" B.S. whitworth or BW rod box connection.
 

The hammer is supplied with a safety cross bolt which secures the sliding outer sleeve to the inner guide rod when the hammer is not in use or during transport.
 

The overall length of the hammer is 1.8 m unextended and 2.6 m when fully extended. The total weight of the hammer is 105 kg




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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




 

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.net ; http://www.roschen.cn

 

http://www.roschen.com ; http://www.roschengroup.com

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Tel : 13764195009
Fax : 86-021-54380177
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