CMP 305 Test 1 Study Guide Questions
and Answers All Correct
What are the properties of AASHTO classification? - Answer-refers to type and
condition of soil
What are the Atterberg Limits? - Answer-evaluates the engineering properties of soil
use for structural fill
What is the liquid limit, plastic limit, and plastic index? - Answer-Point at which soil will
start to flow using a standard shake test, moisture content in % at which the soil just
begins to crumble, numerical difference between liquid and plastic limit
What are some infield devices to measure soil density? - Answer-Torvane, pocket
penetrometer
what are some inplace density tools? - Answer-balloon apparatus, sand cone, nuclear
moisture density gauge
True or false: The greater the range of particle sizes, the smaller the total volume of
void spaces? - Answer-True
What is montmorillonite? - Answer-expansive swelling clay, weak bonds, high volume
changes
What are some options to treat montmorillonie? - Answer-Chemical stabilization,
remove and replace, decrease water content, piles/caissons
What does the weight of soil depend on? - Answer-moisture content, density, soil type
What is the traffic ability of soil? - Answer-Ability for a soil to support the weight or
repeated traffic
What is load ability? - Answer-measure of difficulty of excavating and loading a soil
3 Examples of linear measurement - Answer-Line level (stadia), Odometer, Pacing
How do you find distance using stadia hair? - Answer-(Top stadia - bottom stadia) * 100
What are the different types of tapes? (3) - Answer-Steel, fiberglass, fabric
, What does EDMI stand for? - Answer-Electronic Distance Measuring Instrument
What are some concerns to be considered before any construction has begun? (3) -
Answer-is this the correct site, building facing the correct direction, is building perimeter
properly staked?
What are some special requirements to keep in mind during site prep? (3) - Answer-
Historical sites, trees, natural waterways
What are the two types of storm water run-off control? - Answer-Retaining pond (Holds
water until it percolates through soil or evaporates), holding pond (collects water and
slowly discharges it)
What are the methods determining soil to be removed? (2) - Answer-Grid method, radial
staking
How and why should the perimeter of a construction site be marked? - Answer-
Continuous flags or barriers, for insurance purposes and to protect individuals working
on site and those who may wander
What are your options for fill material? (2) - Answer-Use material on site, or haul
material in (engineer fill)
How do you establish building corners? (3) - Answer-batter boards, gps, total station
What are the types of foundations? (2) - Answer-Shallow, deep
Characterisitics of Shallow foundations (4) - Answer-SOG (slab on grade), Proper soil
compaction, 1-2 story building, not for heavy floor loads
Characteristics of deep foundations (3) - Answer-Poor soil conditions, ground floor that
floats free of pier, used for larger structures (below ground space for parking,
mechanicals, storage)
Site supervisor responsibilities (2) - Answer-Did compaction take place, is the building
laid out right
What does USGS stand for? - Answer-United States Geological Survey
What does MSL stand for? - Answer-Median Sea Level
What parts make up a grid? - Answer-Quadrangle, townships, sections, quarter sections
What is azimuth and how is it expressed? - Answer-method of expressing direction
during using entire 360 degrees, expressed counter clockwise
