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5 Travel Myths You Need to Stop Believing Right Now

Feb 26, 2016 / Haseeb Jamal -

Canal Comes Alive with Lighted Boat Parade.

By Haseeb Jamal - Jul 21, 2017

Soil Mechanics in Engineering Practice By Karl Terzaghi

Soil Mechanics in Engineering Practice By Karl Terzaghi, Ralph Brazelton Peck, Gholamreza Mesri
By Haseeb Jamal - Jul 17, 2017

Total Stress and Effective Stress Analysis in Soil

Plastic saturated soils (silts and clays) usually have lower shear strength than non-plastic cohesion less soil and are more susceptible to bearing capacity failure. For saturated plastic soils, the bearing capacity often has to be calculated for different condition. Total Stress Analysis (Short term condition) that uses the un-drained shear strength of the plastic soil. Effective

Engineering Properties of Silt and Clay

Silt and Clay are considered to be smaller family members of soil group, Even small amounts of fines can have significant effects on the engineering properties of soils. If as little as 10 percent of the particles in sand and gravel are smaller than the No.200 sieve size, the soil can be virtually impervious, especially when the coarse grains are well graded. Silica is decided to be

To Determine Moisture Content of Soil By Oven Drying Method

The water-content determination is a routine laboratory procedure. ASTM has designeated it with a Standard, ASTM D-2216-90 which can be found in “ASTM Standards vol. 4.08”, and also AASHTO T-265, found under “AASHTO Materials: Part II: Tests”. This is a laboratory procedure to determine the amount of water Ww present in a quantity of soil in terms of its
By Haseeb Jamal - Jun 08, 2017

Modes of Shear Failure of Soil | General, Local, Punching Shear Failure

There are three modes of shear failure, i.e. General, Local and Punching shear failures depending upon the compressibility of soil and depth of footing with respect to its breadth (i.e D/B Ratio). When the ultimate bearing capacity of the soil is reached, it may fail in one of the following three failure mode depending upon the type of soil and depth to width ratio of the

How to find Bearing Capacity of Soil

Analytic method i.e. through bearing capacity equations like using Terzaghi equation, Meyerhof equation, Hansen equation etc. Correlation with field test data e.g. Standard penetration test (SPT), Cone penetration test (CPT) etc. On site determination of bearing capacity e.g Plate load test, Pile load test. Presumptive bearing capacity (recommended bearing capacity,

Index Properties of Soil

The soil properties on which their classification and identification are based are known as index properties. The index properties which are used are: Grain Size Distribution Consistency Limits Plasticity Index The sieves are arranged, keeping the finest below and the coarser above it. A definite quantity of soil is dried in an electric oven (for 24 hrs at 105°C) and put in the top sieve.

Why Study Soil Mechanics in Civil Engg?

Soil is a natural agglomerate used as a construction as well as supporting material and is composed of particles of broken rocks which keep on changing in their texture, structure, consistency, color, chemical,Soil is a natural agglomerate used as a construction as well as supporting material and is composed of particles of broken rocks which keep on changing in their

Standard Values for Liquid Limit of Soil and Limitations of L.L Test

The liquid limit of a soil is the moisture content, expressed as a percentage of the mass of the oven-dried soil, at the boundary between the liquid and plastic states The moisture content at this boundary is arbitrarily defined as the liquid limit and is the moisture content at a consistency as determined by means of the standard liquid limit apparatus. It is one of

Sieve Analysis of Coarse Grained Soil

Arrange different types of sieves in order of there decreasing size of opening. Find the total weight of the given soil sample and pour it in the top sieve.

5 Factors Affecting Formation of Soil

The formation of soil starts with the parent material and continues for a very long period of time taking 1000 years or more. As the parent material is weathered and / or transported, deposited and precipitated it is transformed into a soil. The parent material may be in the form of bedrock, glacial deposits, and loose deposits under water or material moving down sloping

Common Types of Soil

Distinguished by their relative stability under wheel loads when confined, by their high permeability and by their low shrinkage and expansion in deter mental amount with change in moisture content.

Compaction of Soil - Uses and Effects of Soil Compaction

Compaction is the application of mechanical energy to a soil to rearrange the particles and reduce the void ratio. The principal reason for compacting soil is to reduce subsequent settlement under working loads. As water is added to a soil ( at low moisture content) it becomes easier for the particles to move past one another during the application of the compacting

Atterberg Limits of Soil Classification - Atterberg Test

A. Atterberg defined the boundaries of four states in terms of "limits". A fine-gained soil can exist in any of several states; which state depends on the amount of water in the soil system. When water is added to a dry soil, each particle is covered with a film of adsorbed water. If the addition of water is continued, the thickness of the water film on a particle increases.

Physical Properties of Soil

Using volumes is not very convenient in most calculations. An alternative measure that is used is the voids ratio, e. This is defined as the ratio of the volume of voids, Vv to the volume of solids, Vs, that is A related quantity is the porosity, n, which is defined as ratio of the volume of voids to the total volume. The degree of saturation, S, has an important influence on

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