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CMP 305 Final Exam|Questions with 100% Correct Verified answers
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CMP 305 Final Exam|Questions with 100% Correct Verified answers
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CMP 305 Final Exam|Questions with100% Correct Verified answers
Soil Volume Surveys - ✔✔Used to determine the amount of soil to be added
or removed from the site
Site Work Takeoff is Determined From - ✔✔- Plot Plan, Topo Survey,
Total Station
Dashed Lines Usually.... - ✔✔Indicate existing elevations
Site Work Clearing - ✔✔- Trees, brush, etc.
- Usually required to strip top soil 6"- 12"
- Stock pile or remove
Basic Formula for When Removing Soil and Converting it to Cubic Yards -
✔✔(L' x W' x Th')/ 27 = Cubic Yards
Methods of Volume Measurement - ✔✔- Cross Sectional
- Contour
- Unit Area or Borrow Pit
Cross Sectional Volume Measurement Method - ✔✔- Simple cross view of plan
,Contour Volume Measurement Method - ✔✔- Easy method of measuring
cut and fill
- General building sites
- Does not require sectional drawings or complicated area formula
- 2 Step process:
1: Draw grid lines on site plan (small grid is more accurate for cut and fill)
2: Mark readings of existing and proposed elevations and record chart.
Unit Area/Borrow Pit Method - ✔✔- Calculate the difference at all
intersecting points
- Place a value on all intersecting points
Balanced Excavation - ✔✔Enough fill to level site without having to bring
or remove any material
Soil Stabilization types - ✔✔- Cementing
- Natural and Chemical Additives
- Sodium Chloride + Calcium Chloride
- Dust Control (use calcium chloride)
Lime Calcium Chloride - ✔✔used to improve clay
Vertical Soil Mixing - ✔✔- Cementing material mixed in using hollow auger
, Grouting and Injection Stabilization - ✔✔- Bonding material is injected into
the soil in columns
Soil Exploring Types - ✔✔- Direct
- Sem-direct
- Geophysical
Direct Soil Exploration types - ✔✔- Test Pit
- Split Barrel
- Standard Penetration
- Shelby Tube
Test pit - ✔✔- ADV: undisturbed sample, can see soil profile
- DIS: limited to shallow excavation, safety
Split Barrel and Standard Penetration - ✔✔- Measures resistance
to penetration
- 2" Diameter hollow rod
- l= 30"
- Driven in by drop hammer
Shelby Tube - ✔✔- Thin wall Tube 2-5" Dia.
- Length = 4 feet
- Pushed in not driven in
- Used with hollow core auger
- Sampling interval = 5'
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