Types of Stabilisation

1. Lightly bound

1.1. Indicative strength after stabilisation USC 1.0 - 2.0 MPa

1.2. Binders

1.2.1. Cementitious binders

1.2.2. Lime

1.3. Anticipated performance attributes

1.3.1. Similar to Modified

2. Bound

2.1. Indicative strength after stabilising USC >2.0 MPa

2.2. Binder

2.2.1. Greater quantities of Cementitious binder

2.2.2. Combination of cementitious and bituminous binder

2.3. Anticipated performance attributes:

2.3.1. Increased pavement stiffness to provide tensile resistance

2.3.2. Greatest stiffness and hence load carrying capacity

3. Subgrade

3.1. Indicative strength after stabilising >5%

3.2. Binders: Addition of lime and chemical binders

3.3. Antipated performance attributes:

3.3.1. Improved subgrade stiffness

3.3.2. Improved shear strength

3.3.3. Reduced heave and shringake

4. Granular

4.1. Indicative strength after stabilising 40%,CBR<70% subbase and base course

4.2. Binders: Other granular materials classified as binders

4.3. Anticipated performance attributes:

4.3.1. Improved pavement stiffness

4.3.2. Improved shear strength

4.3.3. Improved resistance to aggregate breakdown

5. Modified

5.1. Indicative strength after stabilisation: 0.7MPa<UCS<1.0MPa

5.2. Binders

5.2.1. Cementitious binders

5.2.2. Lime

5.2.3. Chemical

5.2.4. Combination

5.3. Anticipated performance attributes:

5.3.1. Improved pavement stiffness

5.3.2. Improved shear strength

5.3.3. Reduced moisture sensitivity