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Does anyone have experience or references on setting up post-grouting CPT testing acceptance criteria, for a Sandy, stiff to very stiff Clay site improvement using compaction grouting? No water, the clay is dry. What is the general range of CPT tip resistance and sleeve resistance range? I...

Thanks fndn. It is a very good manual.

Hi fellows, did anybody know a good tieback design manual or textbook for a tieback design, especially the arching factor (values) used for a tieback design? I have a lot of manuals talking about tieback, but none of them ever mentioned the arching factor values (FHWA-RD-75-128,129,130 mentioned...

Thank for the answers. First let me describe this project in a little bit more detail. This is a pretty big fill area for structures (approx 2000 ft x 2000 ft) close to a port. I don’t know for what reason the contractors was allowed to use the dredging material ( MH or ML, very fine material)...

I just came back from a nuclear gauge (NG) testing on some organic material (those black dredging stuff from the bottom of the sea). The soil is obviously very soft and the moisture is high. (after I stand on it, my footprints were on it permanently. Also, NG’s probe can be easily pushed down...

To make this topic more interesting, please read the US army Nuclear Gauge manual for MC-1 on page 1-20: It says: the good practice in a confined space would be face the tester logitudially in the direction of the trench and across the trench for moisture determination. Does this make sense...

THANKS IFRs, I really appreciate.

I am not very familiar with AUTOCAD. Any answer is appreciated. Q1: I have a .dxf file imported from a geotechnical software. I tried to do more work based on this drawing. But the scale of this file looks like not normal, say approximately 1:3.246. Which step(s) I should do to make it...

Any other states have the title/exam for a Geotechnical Engineer? Thanks

dirtsqueezer, thanks for the info.

Thanks damguy, thanks everyone. I am talking about the third one: Youd, T.L.; Hansen, C.M. and Bartlett, S.F. (2002). Revised Multilinear Regression Equations for Prediction of Lateral Spread Displacement. Journal of Geotechnical and Geoenvironmental Engineering, Volume 128, No. 12...

The lateral spreading results calculated using the equation of Youd (2002, see ASCE 2002 October version) and other methods are quite different. A same CA coastal slope lateral spread using Youd’s equation say, is 100 feet, while using Newmark analysis or Markdisi & Seed chart resulted a lateral...

BigH, May I know the two companies you mentioned which write good geotechnical reports, if it is not against your privacy? THANKS.

we are in the same boat. I remember several months ago I saw one website had the "G.E. exam package" for sell, but I never can find it since then.

Hi, Guys: Thanks so much for all the information.

Hi, Guys: Thanks so much for all the information. I may try my local libraries to see if they have these manuals. SlideRuleEra, Thnaks for the exam advice.

Dear Friends: I am desperately looking for the following information for several weeks already. Your recommendation is really appreciated. I am reading Linderbuger's Civil Reference Manual for my P.E. exam next month. But for the Structural Steel topic, I still can't find any other book that...

I tried to buy the AISC construction manual from ebay. All of them are too old. I am not sure if they are useful (for the exam).

Dear Engineer Friends: I am desperately looking for the following information for several weeks already. Your recommendation is really appreciated. I am reading Linderbuger's Civil Reference Manual for my P.E. exam next month. But for the Structural Steel topic, I still can't find any other...

Hi all: I need to calculate the settlement due to a sloping fill. Somebody know where I can find some information (text book, manual)? Thanks