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Hi All, I am interest to learn about experience with hollow bar anchors in sands. Any advise on pull out capacity, perforamnce below the water table ... etc would be appreciated. Also interested to learn about design approaches if anyone has designed these as soil nails or fixed end anchors...

Hi All, I am looking for information on the interaction of tiered (stepped) pole retaining walls. Imagine two pole walls steeped with a distance x between them. I am interested specifically on the interaction between the passive pressure envelope of the upper wall and the active pressure...

Hi all, I am searching for any literature on recharge wells. These are used to control groundwater drawdown during deep ground excavation. Comments on design and construction experience, case histories or performance monitoring all would be very much appreciated. Regards

Many thanks to the people who replied to my query. I recently found other sources of information such as the; http://www.coreprobe.com/ http://www.roehren-hamm.de/geotechnics/products/01sondiertechnik.htm http://www.aei-euro.com/ingles/mecanica1.htm Regards

Thanks, It has only one meaning "it is a test that can repalce the SPT" which is the standard penetration test, widely used for site geotechnical investigations. Cheers

Hi all, I am looking for information about this testing equipment. Has anyone used it before? I am interested to find out the manufacturer's address, calibration - conversion to SPT, and case studies been carried out using this equipment .. etc. Your help would be appreciated. Cheers

Any information about the above topic would be very much appreciated.

Dear all, I am looking for a correlation to determine seismic stiffness based on SPT or Shear Vane measurements. Any tips?

Dear all, I am working on design of stone columns (vibro replacement) to mitigate the effects of ground settlement due to liquefaction. The sub soils are fine gravelly sands. The design approach I am planning to use constitute of estimating the elastic settlement of the stone column and...