Elasticity of Soil

Elasticity of Soil A soil is said to be elastic when it suffers a reduction in volume (or is changed in shape and bulk) while the load is applied, but recovers its initial volume immediately the load is removed. The most important characteristic of the elastic behaviour of soil i...

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Permeability of Soils

Permeability of Soils Permeability of a soils is the rate at which water flows through it under the action of (unit) hydraulic gradient. The passage of moisture through the interspaces or pores of the soil is called “percolation”. Soils porous enough for percolation to occur ...

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Angle of Internal Friction of Soils

Angle of Internal Friction of Soils The resistance in sliding of grain particles of a soil mass depends upon the angle of internal friction. It is usually considered that the value of the angle of internal friction is almost independent of the normal pressure but varies with the ...

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Internal Friction of Soils

Internal Friction of Soils Internal friction of soils is due to the resistance of grains to sliding over each other and is the characteristic of the coarse materials of particle-size larger than about 0.002 mm. The magnitude of the internal friction of a granular mass depends on ...

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Cohesion of Soils

Cohesion of Soils Cohesion of soils is the internal molecular attraction which resists the rupture or shear of a material. Cohesion is derived in fine grained soils from the water films which bind together the individual particles in the soil mass. Cohesion of soils is the charac...

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Types of Dressing of Stones

Types of Dressing of Stones The different types of dressing of stones are, 1. Hammer Dressed or Quarry-faced Surface 2. Rough tooled surface 3. Tooled Surface 4. Cut stone Surface 5. Rubbed Surface 6. Polished Surface The details of types of dressing of stones are as follows, &nb...

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Ashlar Facing Masonry

Ashlar Facing Masonry In Ashlar Facing Masonry, the faces of stone are rough tooled, and chamfered and the stones are provided in face work only. The backing may be made in brick, concrete, or rubble as desired. The composite construction reduces the cost of work appreciably. The...

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Ashlar Chamfered Masonry

Ashlar Chamfered Masonry This masonry is similar to the one described above with the only difference that the edges around the exposed faces of stone are beveled off at an angle of 45° for depth of 25 mm or more. Got useful info on Ashlar Chamfered Masonry ? If so, share your id...

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Ashlar Rock, Rustic or Quarry Faced

Ashlar Rock, Rustic or Quarry Faced This type of construction is similar to ashlar rough tooled except that the exposed faces of face stones between the chisel drafting are left rough. The projections in the space enclosed by chisel drafts are restricted to 75 mm only. Got useful...

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Ashlar Rough Tooled

Ashlar Rough Tooled In Ashlar Rough Tooled masonry, the exposed faces of stone generally have a fine dressed chisel drafting all round the edges. The portion of face stone enclosed by the chisel draft is rough tooled. The thickness of joints in this type of work should never exce...

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