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Hi I hope you guys are doing great I just wanted to know what Geotechnical Parameters you guys focus upon when selecting which pile installation method to use. I reckon soil description, recovery percent age, and RQD of rocks are important, but what else ? Especially in terms of pressuremeter...

Hi Are there any non destructive methods to detect shallow foundations inside a house without the use of trial pits ? like geophysical methods for example ? Thanks

Hello I know this isn't geotechnical engineering per se but it's close enough because we're addressing soil stabilization. So I want someone to help me analyze and determine the minerals present in these two SEM pictures, the first one is an untreated marly clay and the second is the same soil...

Hi I don't know if this is the right forum, but I was wondering does anyone has any information or videos on how to manufactor crack gauges like these. Thanks

Hi i hope you guys are doing great I was hoping if you could provide me with a document that helps me interpret cracks on building caused by soil deformations as in settlement , heave and shrinking using drawing or something Thank you

Hi We have a task to design an embedded retaining solution for 3 underground floors in an urbain environment . The ground is however sloped at 19 degree angle. As shown in the figure attached, the excavated upper part will be about 40 ft and the length of the excavation is about 118 ft...

Hi If we assume an infinite clayey silt soil that's overconsolidated with regards to effective overburden pressure plus applied stresses,then the soil receives water from drainage leakage underneath the foundations, does settlement initiate in these conditions. For the record, water contents...

Hi I was wondering, isn't it viable to just limit the bearing capacity to a fraction of the preconsolidation pressure?

Hi Is it OK to embed micropiles on different soils knowing that they usually don't work as tip bearing fondations and that some piles are to be embedded on a weathered rock while the others on dense sands and gravel. Also there are no group effects

Hi guys I hope you're doing great We have a special situation in which an old building needs added shear walls to improve its stiffness against earthquakes. The shear walls are to be founded on micropiles.the soil is composed of about 13 m old fill made of sand gravel rocks debris underlined by...

Hi This is an elemental question I know but can somebody please clarify how do you compute the normal forces used in a direct shear test? Is it the effective vertical stress at depth z plus the surcharge? Thanks

Hi I know i shouldn't be asking this stupid question but what are the risks associated with closely spaced shallow foundations embedded at different depths ( One higher than the other by about 40 cm ). thank you

Hi This is my first time designing a secant pile wall , can somebody please show me a guide or whatever so i may design the reinforcement for piles ? Thank you

Hi Is it faisable to regrout a soil nail thats missing some grout days after it was grouted the first time. Thank you

Hello friends What to do if the compressive strength of the grout used for soil nailing does not meet the minimum required value? Also what to do in term of grout formulation that's gonna be used for nailing in permeable terrain? Thank you

Hello my friends I am conducting an analysis on the stability of a sheet pile wall under seismic conditions . the software indicates the resultant vertical force acting on the SSP is directed upward meaning the SSP is being lifted from the ground . Is this normal to you ? What should i do to...

Hello This is the first time i am designing rigid pavement for a container terminal project and i am not really experienced with the subject so please bare with me . My questions are as follows : 1- I am using Westergaard modified method with a concrete of 28 MPa compressive strength and a...

Hello Are there any correlations between Menard test and Ks modulus of subgrade by any chance ? thank you

Hi Obviously when laying down boreholes for a slope stability problem they should be located outside of the zone that already moved ( meaning on a stable ground next to it ) , but where should the pressure meter test be located? inside the unstable mass or outside ?

hi i am a bit confused about the plate load test, if i am correct the Benkelman plate load test is used to evaluate the strength of pavements , but what about the plate with three dial gauge version , what is it for ?