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LCP Correlation
2

LCP Correlation

LCP Correlation

(OP)
I will be grateful to receive information pertaining to  correlation of  soundings obtained from Light Cone Penetration test with Standard Penetration Test.
A DCP test is different from LCP. The difference is due to the cone used.

RE: LCP Correlation

2
What is a light cone penetration test?  If you are referring to the manual dynamic cone penetrometer invented by George Sowers of LAW, I can help you.

RE: LCP Correlation

(OP)
well its like DCP except for the cone used. Its used for soundings to depths greater than 2m. The cone is rammed in continuously and blows read at every 10mm penetration.
If u have correlation for DCP than its welcome too.
Thanks in advance.

RE: LCP Correlation

There is a draft ASTM procedure for the method, called "Standard Test Method for Use of the Dynamic Cone Penetrometer in Shallow Pavement Applications", dated October 31, 1999.  I do not know if it has been finalized.  The subcommittee chair is Shiraz Tayabji, phone 410-480-1890. There is also a paper written by George Sowers which was published by ASTM in 1966, which has correlations between the DCP resistance and SPT N-values.  The paper is entitled "Dynamic cone for Shallow In-Situ Penetration Testing".  It was originally published in ASTM Special Technical Publication 399--you can contact ASTM to see if it is still available.  The correlation between SPT N-value and the DCP resistance is not constant and depends on the soil type being tested.

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