Earthwork Level 2 Study Guide, Earthworks Level II Exam Questions with Correct Answers
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What is the difference between compaction and density? Compaction is the process used to
achieve density, the product.
List the governing order of documents. 1) Special Provisions
2) Technical Special Provisions
3) Plans (including revisions)
4) Design Standards
5) Developmental Specifications
6) Supplemental Specifications
7) Standard Specifications
What kind of density is the weight of soils, solids, and water occupying a unit volume? Wet
Density
What kind of density is the weight of just soils and solids occupying a unit volume? Dry
Density
Which Proctor Test is typically used for base, subgrade, and MSE wall backfill materials?
Modified
Which Proctor Test is typically used for embankment and structure backfill materials?
Standard
For the Modified Proctor, what is the required Maximum Density? 98%
For the Standard Proctor, what is the required Maximum Density? 100%
, What is the ratio of the bearing capacity of the material being tested to the bearing capacity of
reference limerock? Limerock Bearing Ratio Test (LBR)
The standard penetration resistance for a typical crushed limerock in Florida has been
standardized to what psi? 800 psi
What is the method number for the Standard Proctor? AASHTO T-99
What is the method number for the Modified Proctor? FM 1 T-180
Is the LBR value affected by moisture at the time of compaction? Yes
What material can be used anywhere in the embankment? Select (A-3, A-4)
What is it called when como active effort does not penetrate the full thickness of the lift being
compacted? Bridging
What is it called when moisture is drawn up by capillary action to the surface of the material
being compacted? Bleeding
What is included in the coding of a Density Log Book? 1) Code the job
2) One book per Contract number
3) Enter all pertinent information
4) Number pages
5) Check the elevations
6) Split the Records System for convenience, if needed
7) Performed before construction starts
|New Update 100% Verified By Experts
What is the difference between compaction and density? Compaction is the process used to
achieve density, the product.
List the governing order of documents. 1) Special Provisions
2) Technical Special Provisions
3) Plans (including revisions)
4) Design Standards
5) Developmental Specifications
6) Supplemental Specifications
7) Standard Specifications
What kind of density is the weight of soils, solids, and water occupying a unit volume? Wet
Density
What kind of density is the weight of just soils and solids occupying a unit volume? Dry
Density
Which Proctor Test is typically used for base, subgrade, and MSE wall backfill materials?
Modified
Which Proctor Test is typically used for embankment and structure backfill materials?
Standard
For the Modified Proctor, what is the required Maximum Density? 98%
For the Standard Proctor, what is the required Maximum Density? 100%
, What is the ratio of the bearing capacity of the material being tested to the bearing capacity of
reference limerock? Limerock Bearing Ratio Test (LBR)
The standard penetration resistance for a typical crushed limerock in Florida has been
standardized to what psi? 800 psi
What is the method number for the Standard Proctor? AASHTO T-99
What is the method number for the Modified Proctor? FM 1 T-180
Is the LBR value affected by moisture at the time of compaction? Yes
What material can be used anywhere in the embankment? Select (A-3, A-4)
What is it called when como active effort does not penetrate the full thickness of the lift being
compacted? Bridging
What is it called when moisture is drawn up by capillary action to the surface of the material
being compacted? Bleeding
What is included in the coding of a Density Log Book? 1) Code the job
2) One book per Contract number
3) Enter all pertinent information
4) Number pages
5) Check the elevations
6) Split the Records System for convenience, if needed
7) Performed before construction starts
