All Materials regarding to B.tech R-20 in Civil Engineering in 3rd Year 1st Semester with unit wise for Every Subjects are available.
👇👇Scroll Down for Important Questions and Topics Unit Wise 👇👇
| Civil 3-1 Geo Technical Engineering | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download / Part 2 |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
Civil 3-1 GE 1 Important Topics
UNIT – I
Introduction: Soil formation – soil structure and clay mineralogy – Adsorbed water – Mass- volume
relationship –Relative density
Index Properties of Soils: Grain size analysis – Sieve and Hydrometer methods – consistency limits
and indices – Various Types of soil Classifications – Unified soil classification and I.S. Soil
classification.
UNIT –II
Permeability: Soil water – capillary rise – One dimensioned flow of water through soils – Darcy’s
law- permeability – Factors affecting –laboratory determination of coefficient of permeability –
Permeability of layered systems.
Geostatic Stresses: Total, neutral and effective stresses –quick sand condition Seepage: 2-D flow and
Laplace’s equation-Seepage through soils–Flow nets: Characteristics and Uses.
UNIT – III
Stress Distribution In Soils: Stresses induced by applied loads - Boussinesq’s and Westergaard’s
theories for point loads and areas of different shapes– Newmark’s influence chart – 2:1 stress
distribution method.
UNIT – IV
Compaction: Mechanism of compaction – factors affecting – effects of compaction on soil
properties - compaction control.
Consolidation: Compressibility of soils –e-p and e-log p curves – Stress history – Concept of
consolidation - Spring Analogy - Terzaghi’s theory of one-dimensional Consolidation – Time rate of
consolidation and degree of consolidation – Determination of coefficient of consolidation (cv) - Over
consolidated and normally consolidated clays.
UNIT – V
Shear Strength of Soils: Basic mechanism of shear strength -Mohr – Coulomb Failure theories –
Stress-Strain behavior of Sands - Critical Void Ratio – Stress-Strain behavior of clays – Shear
Strength determination- various drainage conditions.
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