Recent content by YannisChasiotis

OCR is highly dependant on sample disturbance, cementation and many, many other factors. The reliability of obtaining its value from the oedometer is similar to obtaining undrained strength from Unconfined Compression tests... Since OCR is directly related to geological processes, has anyone...

You could make a rough estimate of permeability by soil classification, the existence of cracks, sand-silt layers, but...not strength

For UU use total stress, for CU use effective... Considering the way k0 is calculated (it is not, it is estimated and could well be 1.0-1.5 for a heavily overconsolidated clay) I would use: For lightly overconsolidated soil: UU: ?3=650 CU: ?'3=400 For heavily overconsolidated soil: UU...

The definite: Manual of Soil Laboratory Testing, by K. H. Head... Get all three volumes

Look better, it's in all good textbooks!!! Anyway, I agree with gongxu1492 for UU and obviously with BigH for CU...Didn't quite understand iandig...

You can use a Rowe cell (something like the oedometer but allows control over radial drainage)...if you can find one...

There is also AASHTO T-194.

I will try to explain in simple terms... Assume the ground consists of sand only and that the water table is at a depth of 5m. 1. In order to have liquefaction, soil must be under the water table. So, the top 5m are OK (be careful of seasonal variation of the water table...) 2. During...

I don't get it...Why did you think you needed a new borehole? Also, I do not trust SPT results after a depth of 30m or so...

The Burland & Burbridge method, is the only method that is the result of a statistical evaluation of field performance. What they did is to evaluate high quality, reliable data of load and deformation. The method uses sound engineering judgement, but it should be realised that it is based on...

Why not use ?=18 kN/m3 ???

@Mccoy: He doesn't want to work with su. Intead he wants to work with c', ?' and the anticipated pore water pressure build up...

Why do you need to change from pre-EC technique? My opinion is to use the same amount of conservatism...