![Figure 2 from Subsurface Exploration using the Standard Penetration Test and the Cone Penetrometer Test | Semantic Scholar Figure 2 from Subsurface Exploration using the Standard Penetration Test and the Cone Penetrometer Test | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/359deb088737b42169484d9b0fefd242099e0dca/4-Figure2-1.png)
Figure 2 from Subsurface Exploration using the Standard Penetration Test and the Cone Penetrometer Test | Semantic Scholar
![In standard penetration test, the split spoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight in kg and free fall in cm are, respectively In standard penetration test, the split spoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight in kg and free fall in cm are, respectively](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1465984/original_795483.png)
In standard penetration test, the split spoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight in kg and free fall in cm are, respectively
![Evaluation of driving energy transferred to split spoon sampler for accuracy improvement of standard penetration test - ScienceDirect Evaluation of driving energy transferred to split spoon sampler for accuracy improvement of standard penetration test - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0263224121012768-gr1.jpg)