ICC SOILS CERTIFICATION TEST EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.
Well-graded, clean gravels; gravel-sand mixes - ANS GW
Poorly graded clean gravels; gravel-sand mixes - ANS GP
silty gravels; poorly graded gravel-sand mixes - ANS GM
Clayey gravels; poorly graded gravel-and-clay mixes - ANS GC
well graded clean sands; gravel-sand mixes - ANS SW
poorly graded clean sand; sand-gravel mixes - ANS SP
Silty sands; poorly graded sand-silt mixes - ANS SM
Sand-silt clay mix with plastic fines - ANS SM-SC
@2026/2027 ALLRIGHTS RESERVED.
,Clayey sands; poorly graded sand-clay mixes - ANS SC
Inorganic silts and clayey silts - ANS ML
Mixture of inorganic silt and clay - ANS ML-CL
Inorganic clays of low to medium plasticity - ANS CL
Organic silts and silt clay, low plasticity - ANS OL
inorganic clayey silts, elastic silts - ANS MH
Inorganic clays of high plasticity - ANS CH
organic clays and silt clays - ANS OH
Types of slope stability - ANS Drainage
slope reduction or flattening
structural solutions
chemical stabilization
what would stabilize a slope that has been effected by seepage water? how does this improve
slope stability? - ANS Sub- drainage, decreases the saturation of the slope
@2026/2027 ALLRIGHTS RESERVED.
, when a slope begins at vertical cut what is done to stabilize the slope? - ANS removing the
upper portions or head of the slope or landslide is the frequently employed technic for reducing
the driving forces that cause the failure to occur
what are red lights on a site? - ANS low bearing capacity
settlement
existing uncontrolled fill
slope stability
dangerous seismic conditions
frost heave
constructabilty- piers or piles
proposed significate cut or fill
groundwater problems
foundation red lights - ANS design not in accordance with geotechnical recommendations
foundation location differs from site investigation location
foundation plans not adequate or complete
low bearing capacity not recognized in footing design
compressible or expansive soil on site not anticipated in design
water seepage not anticipated in design
@2026/2027 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS 2026
VERIFIED.
Well-graded, clean gravels; gravel-sand mixes - ANS GW
Poorly graded clean gravels; gravel-sand mixes - ANS GP
silty gravels; poorly graded gravel-sand mixes - ANS GM
Clayey gravels; poorly graded gravel-and-clay mixes - ANS GC
well graded clean sands; gravel-sand mixes - ANS SW
poorly graded clean sand; sand-gravel mixes - ANS SP
Silty sands; poorly graded sand-silt mixes - ANS SM
Sand-silt clay mix with plastic fines - ANS SM-SC
@2026/2027 ALLRIGHTS RESERVED.
,Clayey sands; poorly graded sand-clay mixes - ANS SC
Inorganic silts and clayey silts - ANS ML
Mixture of inorganic silt and clay - ANS ML-CL
Inorganic clays of low to medium plasticity - ANS CL
Organic silts and silt clay, low plasticity - ANS OL
inorganic clayey silts, elastic silts - ANS MH
Inorganic clays of high plasticity - ANS CH
organic clays and silt clays - ANS OH
Types of slope stability - ANS Drainage
slope reduction or flattening
structural solutions
chemical stabilization
what would stabilize a slope that has been effected by seepage water? how does this improve
slope stability? - ANS Sub- drainage, decreases the saturation of the slope
@2026/2027 ALLRIGHTS RESERVED.
, when a slope begins at vertical cut what is done to stabilize the slope? - ANS removing the
upper portions or head of the slope or landslide is the frequently employed technic for reducing
the driving forces that cause the failure to occur
what are red lights on a site? - ANS low bearing capacity
settlement
existing uncontrolled fill
slope stability
dangerous seismic conditions
frost heave
constructabilty- piers or piles
proposed significate cut or fill
groundwater problems
foundation red lights - ANS design not in accordance with geotechnical recommendations
foundation location differs from site investigation location
foundation plans not adequate or complete
low bearing capacity not recognized in footing design
compressible or expansive soil on site not anticipated in design
water seepage not anticipated in design
@2026/2027 ALLRIGHTS RESERVED.
