Soil Mechanics and Foundation The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per meter length of dam is 0.00018 nrVsec 0.0045 m3/sec 0.18 m3/sec 0.1125 m3/sec 0.00018 nrVsec 0.0045 m3/sec 0.18 m3/sec 0.1125 m3/sec ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A tri-axial shear test is preferred to direct shear test, because Precise measurement of pore pressure and change in volume during test, is not possible None of these It can be performed under all three drainage conditions with complete control Stress distribution on the failure plane, is non uniform Precise measurement of pore pressure and change in volume during test, is not possible None of these It can be performed under all three drainage conditions with complete control Stress distribution on the failure plane, is non uniform ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. The time taken by clay layer B of the same thickness with double drainage and coefficient of consolidation Cv/2 to achieve the same degree of consolidation is 3 months 6 months 12 months 24 months 3 months 6 months 12 months 24 months ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively 0.05 N/mm² and 45° 0.2 N/mm² and 0° 0.5 N/mm² and 30° 0.05 N/mm² and 0° 0.05 N/mm² and 45° 0.2 N/mm² and 0° 0.5 N/mm² and 30° 0.05 N/mm² and 0° ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm². The settlement of a prototype shallow footing 1 m square under the same intensity of loading is 15 mm 30 mm 167 mm 50 mm 15 mm 30 mm 167 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
Soil Mechanics and Foundation Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of cohesion only both cohesion and angle of internal friction angle of internal friction only both cohesion and angle of internal friction cohesion only both cohesion and angle of internal friction angle of internal friction only both cohesion and angle of internal friction ANSWER DOWNLOAD EXAMIANS APP