Soil compaction, Civil Engineering

Assignment Help:

Soil Compaction:

Soils used in road construction need to be thoroughly rolled and compacted. Compaction of soil is needed for the following reasons.

(a) A well compacted soil does not undergo settlement under traffic,

(b) a well compacted soil has greater strength and thus a pavement constructed on such layers requires less thickness, and

(c) a well compacted soil is less susceptible to changes in moisture content, and thus the volumetric changes like swelling and shrinkage are minimised.

The density to which a soil can be compacted depends upon :

(a) the type of the soil

(b) the moisture content

(c) the compactive effort

Soils like clay can be compacted to a lower density than soils like sand and gravel.

The amount of moisture in a soil influences the density to which it can be compacted. It has been found that for a given soil and a given compactive effort there is one moisture content, called the optimum moisture content (OMC) at which the maximum dry density (MDD) is obtained. This is shown in Figure.

246_Soil Compaction.png

Figure: Moisture-Density Relationship


Related Discussions:- Soil compaction

Quality control in flexible pavements, Quality Control in Flexible Pavement...

Quality Control in Flexible Pavements: The quality control needed for Flexible Pavements covers the following tests : (a) Density and Moisture content of sub-grade. (b)

Retaining wall, whether the wall has adequate sliding resistance

whether the wall has adequate sliding resistance

Show ph value of water, Q. PH Value of Water? It is a symbol for hydrog...

Q. PH Value of Water? It is a symbol for hydrogen ion concentration and indicates acidity or alkalinity. When P H Value more than 7 water is alkaline and less than 7 water is a

Stacking of materials for building, briefly explain the stacking of materia...

briefly explain the stacking of materials in the site for general building

Survey 1, describe how you would range a surveying line betwen two point wi...

describe how you would range a surveying line betwen two point wich are not entervisible?

Determine the sweep angles and coordinates, This is more likely in to Aeros...

This is more likely in to Aerospace engineering.. So if there's anyone whose doing his/her major or have any skills regarding that field please help me with this problem. :) a)

Determine the governing effective length of a steel column, Determine the g...

Determine the governing effective length of a steel column? Determine the governing effective length of a W12 x 106 steel column that is 12' high, pinned at each end, and

Instruments, description and details about distomat

description and details about distomat

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd