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I am carrying out geotechnical Investigation for Solar Power Plant and one of requirement is to use Chines standard in carrying out the project. The standard are as follows; 1. Geotechnical Investigation Code (GB50021-2001)2009 2.Technical specification for geotechnical engineering survey of...

I support mr Oldestguy what says. We started the geotechnical firm with supporting lab and it took three yrs to penetrate the market. Be very clear about Busness plan as mr Oldestguy said. My advice in buying equipment is good if you will find an established local company or a company which has...

To help him understand he need practical and not from the book. During field works you can invite him when you encounter such scenario. I had working at a site and just 10m apart i encountered something completely different. Tell him nature is very complex. Teach him how the rocks are formed...

In such cases of weak rocks i always use BS8004 1986, Appendix A and Fig 1. I found is very helpful whenever i encountered a situation like that of yours.

Also check the amount of salt that you can choose the right stabilizing materials.

I have attached a file may be will be of help to you.http://files.engineering.com/getfile.aspx?folder=80c4a2e0-26b9-44d3-9378-27e83b61a245&file=Properties_of_rock_materials.pdf

I have a problem with CL and CH soils if is okay to support type of struture without soil improvement. Such type of soil can undergo consolidation settlement and destroy the structure. Look possibilty of using deep foundation or raft foundation.

Google books or document related to power transmission. Sometimes the angle of internal friction can be used as frustum angle when you are designing a stub column foundation of power transmission.

I am suggesting that instead of filling to road level, take advantage of rock at 3m, use piles to support the building and that 4m height your planning to fill, why not change the design to be a basement for parking or for storage. In such a way you will be relax in your calculation and the...

Dear Colleagues I was looking the tender document for testing soil for Agriculture purposes and of the test is to determine the porosity of the soil. I would like to know if there is any method of measuring soil porosity in the field. thanks.

It is good to be a geotechnical engineer and what oldestguy say is doing, i was doing it for the last 26yrs. The one thing you have to know is that you will be out there in the field most of the time doing logging, sampling, supervising construction project or supervising geotechnical works...

I agree with Ron. My other advice is to carry out boring or trial pitting to at least 3m depth for profiling and soil sampling, carry out classification tests such as sieve analysis, Atterberg limits. Soil profiling, Soil classification tests and insitu tests recommended by Ron, you can use...

Dear 0kiryu, The underlying soils and the existing foundation plus the proposed building are making things complication. Myself i have a second thought. In consideration that the exiting building is a single story and old, why not advice the developer to demolish it and pave way for the new...

It is possible to lift to 300mm(12in) and still compact to required density. If you are using nuclear gauge you can measure density at 12 in depth and 6 in depth at the same time.

Dear Syble99. We will appreciate if we can have the soil test results here then we can recommend the appropriate method to be used. In our area we have clay soil and collapsible sandy soil. In Clay area we do replacement of the granular soil to a depth of 2B where B is a width of foundation if...

Dear friends' Thank you very much for taking time to my thread. The area has a very complex geology and the rocks of that area includes basalt, dolerite, diorite and dark to light grey granitic rocks. I concur with moe333 that the rock probably is basalt. I will take the rock for petrographic...

Dear friends, I have try attach the rock specimens as the first was a little bit confused as background colour was like that one of granite but is concrete. My problem are those two dark rock specimens that I have attached again. Regards,

Dear IRstuff The sample is from the same rock type. sample was taken from drilled cores. The sample is very smooth along the fracture with soapy feelings. regards

Dear friends, I have come across the rock which i was try to identify and i am not sure if i am correct. I put the rock in volcanic group and i named it as a Basalt. The rock is dark with very fine grained and soapy texture which make me to think is not basalt. I have attached a photo of the...

I concur with mr. Hookie66 9(structure)suggestion above. Although it may look expensive but the whole tank foundation anchored on the rock you may eliminate differential setlemnt and other unknown which may occur in the future.