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when we dissipate the footing pressure to the soil below, the pressure we take for the bottom of footing level should be pressure coming from the building - pressure because of excavated material and then we dissipate this net pressure, which mean the net pressure increase, to the soil...

In the book that I bought from learncivilengineering.com site learncivilengineering.com/exam-material/the-construction-depth-practice-pe-exam/ question 37 1) the fact that there are two pumps here really do not affect the formula used? why doesnt it? 2) if we wanted to know the dewatering...

In the book that I bought from learncivilengineering.com site http://www.learncivilengineering.com/exam-material/the-construction-depth-practice-pe-exam/ question 37 1) the fact that there are two pumps here really do not affect the formula used? why doesnt it? 2) if we wanted to know the...

what is the difference between a counterfort wall vs buttress wall?

in a question about secondary compression, i saw that they calculated tp=H^2/Cv shouldnt this be multiplied by Tv also? this is a question from Testmasters notes, exercise 30 and then they use 1/4 of the total H for drainge length, they must use H/2 dont they? (when there is clay underneath...

what does exit gradient mean exactly, when there is seepage? i know when i = i cr the soil boils but i can not understand the meaning of exit gradient. can you give an example?

DAS - Principles of foundation engineering page 159 , edition 7 - ultimate bearing capacity under eccentric loading one way eccentricity that B'= B=2e is this valid when e>B/6 also?

In the formula HSO = R x (1 - cos (28.65 x S) / R ) 1) is this SSD the same SSD that we would find when we are considering a straight not curved road? because this is for braking right? both the reaction and the braking portion? 2) and in general unless otherwise is told to us, SSD means...

got it thanks.

i think they were trying to treat passive force as reaction force and mobilize it only as much as it is needed, not more. not like a regular passive force calculation for that

When we have the e (void ratio) vs stress data from a consolidation test, other than plotting on a chart graphically and solving by graphical methods, or by calculating slopes at individual intervals and looking at where the knee of the curve happens, is there a formula to determine the...

i just answered this in the duplicate thread you published

Q 528) This is a formula for calculating the Tension in a geogrid. it means, you are developing resisting force along the faces of your geogrid. area of grid PER FOOT = 1 foot x length of grid... you multiply this by 2 faces of grid x tan (friction angle) x interaction coefficiant x effective...

Triaxial test for saturated cohesionless soil Max vertical load - 121 lb sample diameter 3 in chamber pressure 16.4 psi pore water pressure 10 psi for drained conditions, what is the effective friction angle? can someone solve and explain. can not understand the solution either... right...

thanks the link really helped. i knew it was easy...

not sure who invented that triangle for the USDA soil classification but i still can not figure out how to obtain the result from this graphic, once I have my values. i know it must be simple

I saw this formula in CERM in the section for calculating the sight distances when an obstruction is present in a horizontal curve M=R(1-Cos(teta)) what is the angle Teta here? they dont give a description

Hello, For a retaining wall , which obviously have one side of soil higher than the other, when we calculate the bearing capacity, do we take the shallower depth or higher depth? why? Also did anyone see any meyehof chart for bearing capacity factors anywhere? i can not seem to find it

Ok there is one week to go till the exam and for Geotech PM session, I was one more time going thru the exam specifications. There are a few items that they list there, which are not very "popular" in practice questions that I encountered so far and although I did my own study and research as...

because in 510 it says "no additional lateral pressure may be applied to ANY part of the retaining wall" if you draw the active wedge as in 528, then you are subjecting your walls heel (vertical face of heel plus the horizontal face of heel to the horizontal component of the force from...