Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
planning for soil boring/testing
|
reconnaissance
|
|
|
preliminary examination of job conditions
completed in design phase PRIOR to being ordered |
reconnaissance
|
|
|
USDA SCS maps are of surface soil up to ___ ft deep
|
5 feet
|
|
|
photos that show plant growth and large vision area
|
aerial photos
|
|
|
steps of soil exploration
|
boring
sampling testing |
|
|
the steps of soil exploration are planned by...
|
reconnaissance
|
|
|
what determines:
soil types soil strata relative density water table |
soil borings
|
|
|
auger
wash boring test pits are methods for what |
soil boring
|
|
|
provides "N" value
|
standard penetration test
|
|
|
uses a split spoon sampler
|
standard penetration test
|
|
|
"N" is related to...
|
soil resistance
|
|
|
number of blows in deepest 10" is...
|
"N"
|
|
|
graphical soils info
is in construction plan "N" value water table |
log of borings
|
|
|
soil boring frequency is sufficient to determine
|
project conditions
|
|
|
soil boring frequency for roads is ever
|
500 or 1000 feet
|
|
|
soil boring frequency for buildings start at _______ and increase as needed every ___ - ___ ft interval
|
perimeter
5-100 ft |
|
|
soil borings have to be deep enough to reach
|
stable quality material
|
|
|
soil boring depth will depend on _______ ______ for the area
|
proposed depth
|
|
|
2 types of sampling are
|
disturbed
undistrubed |
|
|
sampling method where sample is removed and placed in a bag
|
disturbed
|
|
|
sampling method where a cohesive sample is taken with a tube
|
undisturbed
|
|
|
hand auger
wash boring STP test are methods for.... |
sampling
|
|
|
disturbed or undisturbed:
sieve analysis LL and PL specific gravity compaction |
disturbed
|
|
|
disturbed or undisturbed:
wrap sample to preserve moisture test pit shelby tube |
undisturbed
|
|
|
shear strength
compressibility permeability are methods of... |
testing
|
|
|
test that does not take soil samples
penetrometer is pushed through soil resistance is measured as a function of depth |
Core Penetration Test
|
|
|
resistance is measured as a function of ______
|
depth
|
|
|
seismic refraction
electric resistivity are..... |
geophysical methods
|
|
|
velocities of seismic waves (shock or sound) though rock and soil are related to its density and elasticity
|
seismic refraction
|
|
|
soils resistance to electrical current varies with type of soil and rock
|
electric resistivity
|
