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The knowledge of the geological and geotechnical characteristics of the subsoil is a basic step, fundamental to the development of any type of research, evaluation, study or project in the areas of Civil and Environmental Engineering. In this sense are asked, from information available on the Internet:
a) Define what come to be geophysical techniques and the relevance of such employment in identifying geological and geotechnical characteristics of a given field;
b) Present in a Table 1 is a summary of the physical concepts associated with the use of techniques based on electrical resistivity, seismic refraction and penetrating radar;
c) provide, on a Table 2, advantages and disadvantages (or limitations) of using the techniques mentioned in item (b) as regards the definition of soil profiles (including water level position - NA) and detection contamination plumes / solid waste buried.
d) Identify the sources of information presented at Work.
It is desirable to produce a copper-nickel alloy that has a minimum noncold-worked tensile strength of 390 Mpa and a ductility of at least 40% elongation. Is such an alloy possible If so, what must be its composition
consider a spacecraft that is positioned directly between the earth and moon.the mass of the moon's is approximately 7.35 X10^22 kg, and at the instant under consideration, the moon is 3.8 X 10^8 km from earth.
Dispute in largest open-pit copper mine, My recollection may be skewed, so for our purposes, consider this example a hypothetical, but this is my recollection of a real case. In the early 80s, in Salt Lake County, Utah, a dispute arose involving t..
study the sources for current tuition rates and historical trends of tuition. assume that in the next 20 years tuition will change with a similar trend for all universities .
50 kmol per hour of air is compressed from p1 = 1.2 bar to P2 = 6.0 bar in a steady-flow compressor. Delivered mechanical power is 98.8KW. Temperature and velocities are: T1= 300K T2= 520K u1= 10m s^-1 u2= 3.5m s^-1
The discharge of the river at the basin outlet is measured at an avarage of 650 cfs. assuming that the charge in storage for the system is essentially zero, estimate the ET losses for the area in inches and centimeters for the year
What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
A student counted 92,90,92,91,93, and 91 paces in six trials of walking along a course of 200 ft known length on level ground. Then 85,86,86 and 84 paces were counted in walking four repititions of an unknown distance AB.
A fisherperson, pulling on the anchor cord, causes a force on the man of F=(40i+20j-50k)N. If the cord is 30m long,determine the Cartesian coordinates of the anchor at A. Assume that cord OA is a straight line.
find the net present worth of the project,and the internal rate of return ,and the annual worth of the project?
The service live load is three times the dead load. The 4-in leg contains a single line of 7/8 inch diameter bolts, and the 6 inch leg contains a double gage line of 7/8 inch diameter bolts.
A 10-min experimental run shows that 75% of a reactant is converted to a product by a zero-order reaction rate. What would be the fraction converted in a half-hour run. Assume the reactor is a batch reactor.
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