The in situ dry density of a sand is 1.68 Mg/m3. The maximum and minimum dry densities, determined by standard laboratory tests, are 1.84 Mg/m3 and 1.47 Mg/m3, respectively. Determine the relative density of the sand. The particle specific gravity of the sand is 2.65. (Density of water 1 Mg/m3)

Q: The difference between maximum void ratio and minimum void ratio of a sand sample is 0.25. If…

A: DIfference betweeh max. void ratio and min, void ratio = 0.25 Relative density of this sample = 60…

Q: Organic soils are typically characterized by high void ratio, low specific gravity, and high…

A: The given data is as follows: Initial height of the specimen=20.6 mmMass of dry specimen=12 gArea…

Q: A loose compacted sand fill is 1.81 m in depth and has a relative density of 41%. Laboratory tests…

A:

Q: An undisturbed sample of fine sand is tested in the laboratory and found to have a dry mass of 3.23…

A:

Q: Maximum and minimum void ratios of a sand sample were determined in the laboratory to be 0.9 and…

A: Given data : emin=0.3emax=0.9Void ratio of sand (e)=0.53

Q: The in-situ percentage of voids in a sand deposit is 40%. If the maximum and minimum dry densities…

A: Density Index ID=1γdmin-1γd1γdmin-1γdmaxγdmax=2.2 gmccγdmin=1.45 gmcc

Q: The natural water content and in-situ unit weight of a sample of sand above water table are 14% and…

A: Given data : Void ratio in densest state emin=0.48 Void ratio in loosest state emax=0.80 Water…

Q: The results of a laboratory test of a sand are emax= 0.91, emin= 0.48. a. what is their relative…

A: Given data emax= 0.91, emin= 0.48 Find relative compactness ?

Q: A sample of moist sand was cut out of a natural deposit by means of a sampling cylinder. The volume…

A: To find relative density and degree of saturation

Q: A loose uncompacted sand fill 5 ft in depth has a relative density of 40%. Laboratory tests…

A:

Q: A sand sample has a porosity of 30% and specific gravity of solids as 2.6. What is its degree of…

A: given- porosity n=30%G=2.6moisture content w=4.94%

Q: A falling-head permeability test on a specimen of fine sand 17.5 cm2 in area and 15.0 cm long gave a…

A:

Field applications of hydraulic conductivity

Hydraulic conductivity is one of the hydraulic properties of soil defined as a measurement of the ability of a porous medium to permit water movement or fluid flow through it. It is denoted by the letter K. It is influenced by the density and viscosity of the fluid. It is also called permeability. Hydraulic conductivity is defined as the ratio of velocity to the hydraulic gradient. The different methods used to determine the hydraulic conductivity are laboratory methods (constant head permeability tests and falling head tests), in-situ field methods (pumping in and pumping out tests), small scale field tests (infiltration tests and slug tests), and indirect methods such as estimation from grain size, consolidation test data, and horizontal capillary test. The pedotransfer function (PTF) method is a specific empirical estimating approach employed in the soil sciences is also used to determine the hydraulic conductivity of the soil.