Examples of Stabilised pavement layers:

Examples

• Sand-clay mixture
• Sand-gravel mixture
• Soil-aggregate mixture
• Soil-soft aggregate mixtures

(b)       Chemical stabilisation by addition of additives like lime, cement, lime and flyash, bituminous materials, etc.

Lime stabilisation is suited for clayey soil, the lime reacting with the minerals and developing cementitious gels. The quantity of lime varies from 2 to 10 percent by weight.

Cement stabilisation is suited for silty and sandy soils. The cement content varies from 3-15 per cent by weight.

Lime-flyash stabilisation is based on the fact that lime reacts with silica in the flyash and produces cementitious gels.

Bituminous materials are used for stabilizing fine sand. Sand-bitumen has been tried successfully on desert roads in India.

Generally, stabilised soils are used for improving the sub-grade and for sub-bases. Soil stabilised layers are also used as a base course for low-volume rural roads.

Posted Date: 1/22/2013 4:34:26 AM | Location : United States

Ask an Expert

Related Discussions:- Examples of stabilised pavement layers, Assignment Help, Ask Question on Examples of stabilised pavement layers, Get Answer, Expert's Help, Examples of stabilised pavement layers Discussions

Write discussion on Examples of stabilised pavement layers
Your posts are moderated

Write your message here..

Related Questions

Show the settlement due to excavation, Q. Show the Settlement due to Excava... Q. Show the Settlement due to Excavation? If  an excavation is made in a sandy soil,  the structure founded near the excavation will be affected and it will cause extra settlem

Trigo, a pilot entering a bay on course a pilot entering a bay on course

Determine the plastic limit of the soil, The liquid limit of a clay soil is... The liquid limit of a clay soil is 56% and its plasticity index is 15%.  (a) Name the state of consistency is this material at a water content of 45% ? (b) Determine the plas

Concrete, what are the appropriate methods of concreting what are the appropriate methods of concreting

What is switch and expansion joint, Q. What is Switch and Expansion Joint? ... Q. What is Switch and Expansion Joint? Switch Expansion, Joint (SEJ) is an expansion joint installed at each end of LWR/CWR to permit expansion/contraction of the adjoining bre

Traverse, how to fill traverse computation sheet of opened traversig .. how to fill traverse computation sheet of opened traversig ..

Flexibility matrix method analysing structures, calculating the Bo matrix calculating the Bo matrix

Theory of elasticity and plasticity, derivation for strain energy stored in... derivation for strain energy stored in a body due to torsion

Transportation engineering, scour depth definition scour depth definition

Kerb overflow weirs – horizontal bars vs. vertical bars, Q. Kerb overflow w... Q. Kerb overflow weirs – horizontal bars vs. vertical bars? Overflow weirs must be provided for steep roads (longitudinal gradient>5%), flat roads (longitudinal gradient Ess