GT (B-TECH Civil Engineering 6th)

SECTION-A

Unit-I: Stability of slopes

Causes of failure, factors of safety, stability analysis of slopes-total stress analysis, effective

stress analysis, stability of infinite slopes types of failures of finite slopes, analysis of finite

slopes-mass procedure, method of slices, effect of pore pressure, Fellinius method to locate centre

of most critical slip circle, friction circle method, Tayler's stability number, slope stability of

earth dam during steady seepage, during sudden draw down and during and at the end of

construction.

SECTION-B

Unit-Il Braced Cuts

Depth of unsupported vertical cut, sheeting and bracing for deep excavation, movements associated with

sheeting, and bracing, modes of failure of braced cuts, pressure distribution behind sheeting.

Unit-III : Cofferdams

Introduction, types of cofferdams, design and lateral stability of braced cofferdams, design data

for Cellular cofferdams, stability analysis of cellular cofferdams on soil and rock, inter-lock

stresses.

SECTION-C

Unit-IV: Cantilever Sheet Piles

Purpose of sheet piles, cantilever sheet piles, depth of embedment in granular soils-rigorous

method Simplified procedure, cantilever sheet pile, penetrating clay, limiting height of

wall.

Unit-V- Anchored Bulkheads

Methods of design, free earth support method in cohesionless and cohesive soils, fixed earth support method

in cohesionless soils-Slum's equivalent beam method.

SECTION-D

Unit-VI: Soil Stabilization 

Soil improvement, shallow compaction, mechanical treatment, use of admixtures, lime

stabilization

cement stabilization, lime fly ash stabilization, dynamic compaction and consolidation,

Bituminous

stabilization, chemical stabilization, pre-compression, lime pile and column, stone column,

grouting

reinforced earth. . '

Unit-VII: Basics of Machine Foundations

Terminology, characteristics elements of a vibratory systems, analysis of vibratory motions

of a single decree freedom system-undamped free vibrations, undamped forced vibrations,

criteria for satisfactory action of a machine foundation, degrees of a freedom of a block

foundation, Barken’s soil spring constant, Barken's method of a determining natural

frequency of a block foundation subjected to vertical oscillations.