Geotechnical Engineering

DHARM 740 GEOTECHNICAL ENGINEERING available, the use of test piles and loading tests thereof can be avoided by conducting stati ...

DHARM SOIL EXPLORATION 741 The hand operated winch may be provided with handles on both sides of the frame to facilitate driving ...

DHARM 742 GEOTECHNICAL ENGINEERING The cone with threads (recoverable) shall be of steel with tip hardened. The cone with- out t ...

DHARM SOIL EXPLORATION 743 When the depth of investigation is more than 6 m, bentonite slurry may be used for eliminating the fr ...

DHARM 744 GEOTECHNICAL ENGINEERING The area ratio of the vane shall be kept as low as possible, and shall not exceed 15%, calcul ...

DHARM SOIL EXPLORATION 745 where, τ = shear strength (N/mm^2 ) T = torque in mm-N, D = overall diameter of the vane in mm, and H ...

DHARM 746 GEOTECHNICAL ENGINEERING The vane test may have a laboratory version also, the vane being relatively much smaller than ...

DHARM SOIL EXPLORATION 747 wards to the lower layer and get refracted as the surface. If the underlying layer is denser, the ref ...

DHARM 748 GEOTECHNICAL ENGINEERING In terms of the critical distance, dc, and the velocities V 1 and V 2 in the upper soft layer ...

DHARM SOIL EXPLORATION 749 in electrical potential between known horizontal distances within the electric field created by the c ...

DHARM 750 GEOTECHNICAL ENGINEERING Table 18.7 Typical Values of Electrical Resistivity of Soils and Rocks (1 to 8 from IS: 1892- ...

DHARM SOIL EXPLORATION 751 a good report. A report writer should be knowledgeable, practical and pragmatic. No theory, books or ...

DHARM 752 GEOTECHNICAL ENGINEERING information about index properties, compressibility, shear strength, permeability, etc., shou ...

DHARM SOIL EXPLORATION 753 Example 18.3: A SPT is conducted in fine sand below water table and a value of 25 is obtained for N. ...

DHARM 754 GEOTECHNICAL ENGINEERING (c) Using the seismic velocity information, give the probable earth materials in the two laye ...

DHARM SOIL EXPLORATION 755 is dependent on a parameter called area ratio of the sampler. Thin-walled samplers are preferred for ...

DHARM 756 GEOTECHNICAL ENGINEERING Questions and Problems 18.1 (a) Describe with a neat sketch how will you carry out the wash b ...

DHARM SOIL EXPLORATION 757 18.13 Two samplers have area ratios of 10.9% and 21%. Which do you recommend for better soil sampling ...

19.1 Introduction A ‘Caisson’ is a type of foundation of the shape of a box, built above ground level and sunk to the required d ...

DHARM CAISSONS AND WELL FOUNDATIONS 759 called ‘Lifts’, cured for the mandatory period, and each lift sunk into position. This n ...