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Civil Engineering - Shridhar University

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• Provide the students with a basic understanding of the essential steps involved in a geotechnical site<br />

investigation<br />

• Introduce to the students, the principal types of foundations and the factors governing the choice of the<br />

most suitable type of foundation for a given solution<br />

• Familiarize the student with the procedures used for : a) bearing capacity estimation, b) end bearing<br />

capacity, c) skin friction<br />

SITE INVESTIGATION AND SELECTION OF FOUNDATIONS<br />

Introduction ­ Objectives of soil exploration ­ Methods of exploration ­ Geophysical methods ­ Borings ­ Penetration<br />

tests (SPT & SCPT) ­ depth of exploration ­ Number and disposition of bore holes ­ sampling and sample<br />

disturbance ­ Selection of foundation based on soil condition.<br />

BEARING CAPACITY<br />

Bearing Capacity ­ Types of failure ­ Terzaghi's formula ­ Skempton's formula ­ BIS formula ­ Effect of water table ­<br />

Allowable bearing pressure ­ bearing pressure based on SPT value ­ Plate load test ­ Methods of improving bearing<br />

capacity.<br />

FOOTINGS AND RAFTS<br />

Types of foundation ­ Assumptions in conventional design ­ Method of proportioning ­ Design of combined and raft<br />

foundation ­ Codal provisions ­ components of settlement ­ immediate and time dependent settlement ­ causes of<br />

settlement ­ method of minimizing settlement ­ codal provisions.<br />

PILE FOUNDATION<br />

Function of Piles ­ Classification of pile ­ Load carrying capacity ­ Static and Dynamic formulae ­ Pile load test ­<br />

Pile group ­ Spacing ­ Pile cap ­ Negative skin friction. Introduction to well foundations­diaphragm walls­anchors<br />

EARTH PRESSURE<br />

Lateral earth pressure ­ Rankine's theory ­ soil stratification ­ Coulomb's theory ­ Graphical method (Culmann's<br />

method alone) ­ Stability of slopes ­ Infinite and finite slopes ­ Types of failure ­Causes of failure ­ Slip circle<br />

methods ­ Friction circle method.<br />

TEXT BOOKS<br />

• Punmia,B.C., Soil Mechanics and Foundations, Laxmi Publications Pvt Ltd., 2000<br />

• Venkatramaiah.C., Geotechnical <strong>Engineering</strong>, New Age International Publishers, 1995<br />

REFERENCE BOOKS<br />

• Joseph E.Bowles, Foundation Analysis and Design, McGrawHill Publishing Co., 1986<br />

• Peck,R.B., Hanson and Thornburn, Foundation Engineerng, Wiley Eastern Ltd., 1974<br />

• Tomlinson,M.J., Foundation <strong>Engineering</strong>, Wiley Eastern Ltd., 1980<br />

BTCE 702 STRUCTURAL ENGG DESIGN­II 3 1 0 3<br />

PURPOSE<br />

To impart comprehensive knowledge on the design of masonry and reinforced concrete structures.

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