Soil Physics-
SOLIDS (3)
APBI 200
Soil structure
APBI 200
Formation of soil aggregates
Iron
oxides
Macroaggregate Mircoaggregate Sub-mircoaggregate
Primary particles
Silt
APBI 200
Granular
Crumb
Angular blocky
Subangular blocky
Columnar
Prismatic
1. Spheroidal
2. Platy
3. Blocky
4. Prism-like
APBI 200
pores (d>0.08 mm)
a)Among sand grains
(b) Among aggregates
(c) Biopores
(a)
(b)
(c)
APBI 200
Micropores
Macropores or interaggregate pores
Granular aggregate
APBI 200
RAPID MODERATE SLOW
Granular
Prismatic
Massive
Single grain
Blocky Platy
APBI 200
APBI 200Plow pan
APBI 200
Traffic pan
APBI 200Soil consistency
APBI 200
Atterberg’s limits
APBI 200Bearing strength-measure of the capacity of a soil mass to withstand stress without giving way to those stresses by rupturing or becoming deformed
APBI 200
Bearing strength APBI 200