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explain the coordinate system1 a benchmark provides only elevation data2 coordinate system provides northing and easting coordinates within a defined
determine the head loss due to frictiondetermine the head loss due to friction using the darcy-weisbach equation the water is pumped at 30 gallons
define the thiem equations for confined aquifers using natural log q 2pikmh2 - h1lnr2r1 m aquifer thickness ftusing
explain the well drawdown equations watch the units especially if you use log10 or ln h1 aquifer thickness minus the drawdown ft r1
explain civil fe hydraulics and hydrologic systemswhen spills occur at grade on soils in areas where unconfined aquifers are present remediation
obtain the values and direction of the supporting reactions of the truss given below use the method of section to determine the forces in each
what is atterberg limits tests the atterberg limits tests are designed to determine the plasticity of finer grained soils these tests are performed
hydrometer analysis - soil mechanics and foundationshydrometer analysis used to obtain the grain size distribution of fine-grained soils finer sands
sieve analysis - soil mechanics and foundationsa sieve analysis used to obtain the grain size distribution of coarse-grained soils sands and gravels
define the transmissivity and reynold numbertransmissivity t a measurement of the rate of groundwater movement through different soil and rock
explain the hydraulic gradienta measurement of the movement of water over distances change in hydraulic head from one monitoring point to
define the thiem equations for confined aquifers using natural log q 2pkmh2 - h1lnr2r1 using log10 q 2kmh2 -
explain the confined aquifer and piezometric surfaceconfined aquifergroundwater is confined by impervious geologic stratums on all sides the water
explain the dupuit equations for unconfined aquifers using natural log q pikh22 - h12lnr2r1 using log10 q kh22 -
explain is vadose zone - ground waterin an unconfined aquifer it is the area located above the water table and aquifer where the soil and rock are
define the phreatic line and phreatic zonephreatic line in an unconfined aquifer it represents the water table phreatic zone in an unconfined
explain the unconfined aquiferalso termed free aquifer groundwater flows by gravity from high head to low head the upper water surface is termed
what are aquiferswater bearing underground geologic formations the subsurface formations are composed of soils and rocks with voids saturated with
explain the rippl diagram or mass diagramfor a potable water reservoir it is the simultaneous plots of the cumulative inflow and cumulative water
equalization basins - hydraulic systemfor influent flow to publicly owned treatment works potws flow rates may be excessive for short or long
define the reservoirs - hydraulic systemtypically designed for multiple functions - clean water supply creating recreational opportunities and flood
parallel pipe systems or multipath pipeline problemstwo or more sections of piping branches of different diameters lengths andor pipe materials
total dynamic head tdh y-axis plot point related to each x-axis flow rate along the system curve plottdh ha tsh hf v22g v2
explain the system curves - pumping systemnon-linear plot beginning on the y-axis at the total static head tsh and plotted primarily based on the
define the types of pump performance curvestwo types of pump performance curves x-axis flow rate y-axis head tdhcharacteristic curvesprovided by