All Questions
Tagged with structural-engineering geotechnical-engineering
20
questions
2
votes
2
answers
84
views
Water flow near dam geomechanics
I have basic Geomechanics question , one of the drawing is true and the others are wrong , which one ? , explain why the others are wrong .
First one wrong because the number of squares are not equal
...
- 21
1
vote
0
answers
34
views
Effect of area spring at slab on column
Say that a simple building is supported by 4 columns , the column sitting on base slab. I assigned some sort of area spring to the base slab. When the area spring assigned is higher, this cause the ...
- 61
0
votes
1
answer
162
views
Distance of raft foundation outwards
Can you tell me (for USA) which code (or standard or guide) and in it where exactly I can see the distance required for the raft foundation, as far as how much it should extend horizontally beyond the ...
- 462
1
vote
1
answer
51
views
When settlement criteria of a foundation is satisfied, bearing criteria is also automatically satisfied?
We design the foundations to settlement criteria than bearing correct? Because settlement criteria is stricter? I mean, can there be an example where the settlement criteria is satisfied but bearing ...
- 462
0
votes
1
answer
87
views
Missing items in geotechnical reports [closed]
In your experience, what items that should be in geotechnical reports are sometimes missing, and what do you do in that case, can you provide example? Do we look at codes or make best guess and based ...
- 462
1
vote
1
answer
56
views
The best foundation type?
What are the best foundation type for a construction in the city and earthquake prone area?
If bored pile foundation is the best, which type is the best, square, circle? what are the considerations of ...
- 187
1
vote
2
answers
203
views
what means Probablity of event excedence of so many years
I like to know about occurrence of earthquake events when we say that earthquake of 0.5 g will occur in 50 years in excedence of.
1
vote
1
answer
9k
views
At what level is the Grade Beam most effective at pile cap level or at Slab-on-grade level?
The primary two functions of a Grade/Tie Beam in spread footing and/or pile caps foundation system is to support the Slab-On-Grade (S.O.G) and/or to take the moment from eccentric footing (or moment ...
- 503
4
votes
1
answer
2k
views
How do you convert "kps" to Pounds per Square Foot (psf)? [closed]
I'm looking at a soil bearing capacity report, which has a column labeled "kips" and the values are followed by "kps".
A "kip" is 1000 pounds, but I'm not sure how to convert from "kps" to psf.
The ...
- 141
8
votes
1
answer
887
views
Why is this construction site pouring gravel over a wire mesh, and then covering it with dirt?
My office is afforded a prime view of a construction project where the workers are currently covering the leveled ground in a wire mesh, raking gravel across the entire mesh, and then covering that ...
- 187
3
votes
1
answer
516
views
What is a safe soil load to avoid settlement?
For residential design, looking at IBC 2012 Table 1806.2 it seems a safe soil load to design for is 1500 psf if you want to save time and cost isn't yet an issue. (assuming you're not building on a ...
- 31
1
vote
1
answer
51
views
Load conversion for geotech problem
This is a basic question but for some reason it has me stumped. I am modeling a continuous load on a soil layer on a commercial FEA package. This is a plane strain problem where the layer is modelled ...
- 573
2
votes
1
answer
2k
views
To Which distance Punching Shear Reinforcement is placed in Mat Foundation?
As I know, a thinner mat may be possible by providing a nominal amount of vertical reinforcement as compared to a mat without vertical reinforcement, the vertical reinforcement is used to resist ...
- 503
2
votes
1
answer
3k
views
Postion of overturning moment for retaining wall
I sometimes design my retaining walls with longer toes and heels, this is because in my FEA program, when I pull my footing under my wall towards the toe, I get lower pressures on my soil (springs) ...
- 386
2
votes
3
answers
1k
views
Base or foundation?
Please help, what is the correct term for:
The bottom/foot part of building or structure which carries loads from the building/structure and transfers the loads to the soil/earth/ground beneath it?
...
