22-Agric-A2 Soil Physics and Mechanics
Worked solutions to 5 past sittings (2013–2019), 33 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- USCS Classification (3 sittings): May 2017 Q3 · December 2015 Q1 · May 2014 Q6
- Grain-Size Distribution (2 sittings): May 2017 Q3 · May 2014 Q6
Questions by sitting
December 2019
- Question 1: Bearing Capacity of a Circular Footing with a Rising Water Table
- Question 2: Consolidation Settlement Beneath a Square Footing on Normally-Consolidated Clay
- Question 3: Seepage Beneath a Concrete Dam (Flow Net)
- Question 4: Index Properties of a Cylindrical Soil Sample
- Question 5: Slope Stability by the Ordinary Method of Slices
- Question 6: Confined Aquifer Pumping Well (Thiem Equation)
May 2017
- Question 1: Ten Soil-Mechanics Definitions
- Question 2: Falling-Head Hydraulic Conductivity Test
- Question 3: Grain-Size Distribution — Uniformity/Gradation and USCS Classification
- Question 4: Proctor Compaction — Watering and Haulage for a Borrow-Pit Fill
- Question 5: Undrained Slope Stability of a Municipal Drainage Ditch
- Question 6: Discharge and Tracer Travel Time for a Well in an Unconfined Aquifer
December 2015
- Question 1: Short Answers — Effective Stress, USCS Classification, Dewatering Investigation, and Erosion Estimation
- Question 2: Unconfined Aquifer on a Circular Island — Water-Table Sketches, Well Drawdown, and the Effect of Infiltration
- Question 3: Weight-Volume Relationships from a Pushed Copper-Pipe Field Sample
- Question 4: Pore, Total and Effective Stress in a Layered Profile Before and After Rapid Dewatering
- Question 5: Horton Infiltration — Fitting the Decay Constant and Total 4-Hour Infiltration
- Question 6: Compaction — Proctor Density, Borrow-Pit Volume, and the Moisture–Density Curve Family
- Question 7: Apparent vs. Effective Shear-Strength Parameters from Two Consolidated-Undrained Triaxial Tests
May 2014
- Question 1: Definitions — Ten Terms in Soil Physics and Mechanics
- Question 2: Saturated Hydraulic Conductivity from a Constant-Head Permeameter
- Question 3: Weight-Volume Relationships for a Sandy Loam Sample
- Question 4: Effective Stress Through Excavation and Fill Placement
- Question 5: Hydraulic Conductivity and Well Drawdown from an Unconfined Aquifer Pumping Test
- Question 6: Grain-Size Distribution, Gradation Coefficients, and USCS Classification
- Question 7: Effective and Total Principal Stresses at Failure from Mohr–Coulomb Shear Parameters
December 2013
- Question 1: Dewatering a Trench with a Line of Sand-Point Wells
- Question 2: Density, Porosity and Void Ratio of an Undisturbed Soil Cylinder
- Question 3: Short Answers — Foundation Failure, Shear Strength, and Preload Fill
- Question 4: Constant-Head Permeameter Test on the Soil Cylinder
- Question 5: Double-Ring Infiltrometer — Horton's Infiltration Model
- Question 6: Standard Proctor Compaction — Zero-Air-Voids Line and Air Content
- Question 7: Effective Stress Beneath a Sand-and-Clay Site, Before and After Construction