Foundations

Foundations in Black Cotton Soils

Foundations in Black Cotton Soils: The following methods are generally adopted to meet the characteristics of foundations in black cotton soils,   (1) Foundation loads are limited to 5 tonnes/sq.m if water finds access to the foundations, otherwise it may be about 10 tonnes/...

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Termite- Soil Treatment for Foundations

Termite Treatment for Foundations This termite treatment consists in treating the soil under the building and around the foundations with some chemical emulsion which can kill or repell termites. In this termite treatment about 500 mm deep trenches arc made along the external per...

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Cofferdam – Types of Cofferdam

Cofferdam – Types of Cofferdam A cofferdam may be defined as a temporary structure that is constructed on a river or a lake or any other water-bearing surface for excluding water from a given site to execute the building operation to be performed on dry surface. The walls o...

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Composite Piles

Composite Piles Composite Piles are those piles of two different materials are driven one over the other, so as to enable them to act together to perform the function of a single pile. In such a combination, advantage is taken of the good qualities of both the materials. These pr...

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Deep Foundations

Deep Foundations In case, the strata of good bearing capacity is not available near the ground, the foundation of the structure has to be taken deep with the purpose of attaining a bearing stratum which is suitable in all respects. In addition there may be many other conditions w...

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Foundation Concrete

Foundation Concrete The type of foundation concrete and the proportion of the ingredients used in its making depend upon the nature of the structure, quality of the materials used and the site conditions. Since lime is fairly cheap, lime concrete is generally used for foundations...

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Excavation of Foundation in Water Logged Sites

Excavation of Foundation in Water Logged Sites Excavation of foundation in water logged sites poses a great problem for the site engineer. There are various methods of dealing with the situation which depend upon the depth of excavation, depth of water table and many other facto...

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Setting out of Foundations

Setting out of Foundations Before Commencement, of the excavation of trenches for foundation, a setting out plan is prepared on paper. The setting out plan is a dimensioned ground floor plan, usually drawn to scale of 1:50. The plan is fully dimensioned at all breaks and openings...

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Machine Foundation

Machine Foundation The design of machine foundation involves careful study of the vibration characteristics of the foundation system. Relevant data required for the design and construction of the machine foundation of machine should be obtained from the manufacturer of the machin...

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Foundations on Sloping Ground

Foundations on Sloping Ground To avoid sloping foundation bed or excessive depth of excavation at the top end, stepped foundation is necessary to be provided in a considerably sloping ground. Foundations on Sloping Ground is achieved by cutting the portion of the foundation trenc...

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