An industrial plant location have been chosen by the client. The selceted location is a disposal area of mine's rock waste. The material is heterogenous uncontrolled crushed rock of sand to boulder sizes up to 600mm in diameter. Some of the waste is proceesed product and is "oxidized" which...
Hi
As all you may know it is possible to encounter near surface obstruction during installation of Prefabricated Vertical Drains PVD ... I understand that pre augering ( or other method may be chosen by the Contractor) is used to clear the obstruction for a certain depth to facilitate the PVD...
Hi,
I am designing an embankment with preloading and PVD installation, we did define the critera at the end of preloading and we have a generous preloading period of 3 years it comes up that drains spacing to be 3 to 3.5 m depending on fill height.
Any one have an experience with PVD in such...
Hi,
A Specification for vertical sand drain says that sand should be placed into holes as:
"Sand shall be placed to attain a relative density of 90 %".
Is it necessary to define this requirment?
How to ensure this requirment is achieved, what test?
thanks
CD
