SPT Automatic Drop Hammer Standard Test Method for Penetration Test and Split Barrel Sampling of Soils
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SPT Automatic Drop Hammer Standard Test Method for Penetration Test 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

,

split tube sampler

Payment & Shipping Terms
Packaging Details: Poly Wooden Box
Supply Ability: 10000 pcs
Specifications
Origin: China SPT Hammer
Types: SPT Hammer Types
Drilling: Geotechnical Drilling
SPT Hammer: Automatic SPT Hammer,SPT Hammer Types Manufacturer
Manufacturers: Spt Hammer Suppliers And Manufacturers
Supplier: China Spt Hammer Supplier
Efficiency: SPT Hammer Efficiency
Calibration: SPT Hammer Calibration
SPT: SPT Hammer Types Manufacturer
Product Description
SPT Automatic Drop Hammer Standard Test Method for Penetration Test and Split Barrel Sampling of soils

 
SPT Automatic Drop Hammer 

 
Roschen DH66 Automatic Drop Hammer which conforms to ASTM D1586-99 Standard Test Method for Penetration Test and Split Barrel Sampling of soils. The 140 pound (64 kg) weight has a 30 inch (762 mm) free fall before making contact with the anvil, thus, every test is performed the same. The DH66 advances an ASTM standardized 2 in. (51mm) OD x 24 in. (610mm) length split spoon sampler.
 
Advantages: 
 
• Consistent results with no human error
• No cables or ropes needed for operation
• 45 blows per minute driving rate
• Drop hammer can be used with either hollow stem auger or our 3.25 in. probe rod system




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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




 

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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