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Purpose/aims:
This unit enables learners to develop an understanding of the methods and techniques used to create civil engineering structures and the skills needed to solve problems associated with civil engineering activities
Background or scenario:
As a site engineer, you have to plan and supervise the activities as to produce the substructure for a six storey building with two basement floors nearby the coast in the city of Thessaloniki.
The subsoil consists of very soft clay and the groundwater level is 1.0 m below the ground level.
Task:
A stainless steel tube with an outside diameter of 59 mm and a wall thickness of 5 mm is used as a compression member. If the axial normal stress in the member must be limited to 220 MPa, determine the maximum load P that the member can support.
a vertical curve on this highway connects +1% and +3% grade and is 420ft long. if a horizontal curve on highway is on a two-lane section with 12 ft lanes and has a central angle of 37 degrees and a superelevation of 6%, what is the length of the h..
A light bar AD is suspended from a cable BE and supports a 50-lb block at C. The ends A and D of the bar are in contact with frictionless vertical walls. Determine the tension in cable BE and the reactions at A and D
Describe in your own words the three strengthening mechanisms i.e., grain size reduction, solid solution strengthening, and strain hardening. Be sure to explain how dislocations are involved in each of the strengthening techniques.
The total heads given by piezometers A and D are 98.9 cm and 3.6 cm, respectively. What are the total heads given by piezometers B and C?
Problem Statement: A rectangular beam having b = 10 in. and d = 17.5 in. spans 15 ft face to face of simple supports. It is reinforced for flexure with three
Influent sample collected from a wastewater treatment plant was analyzed for various solids concentrations. Results indicated concentrations of Total Volatile Solids (TVS)
Estimate the average hourly, average daily, and minimum hourly residential sewage flows from an area serving a population of 1500 people. Assume that the lenghth of sewer and house drains equals 3.0 km and that infiltration occurs
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
Gasoline is being discharged from a pipe at point 2 at elevation 66.66 m. Pint 1, located 965.5 m along the pipe from point 2, is at elevation 82.65 m
The relative velocity of two infinitely wide parallel plates thatare 1cm apart is 10cm/s. If the dynamic viscosity of the liquid between the plates is 0.001 N s/m2 what is the shear stress between the plates?
A closed system of 0.123kg undergoes a frictionless, quasi-static process along the path PV=C from 100kpa to a final state where the volume is twice the initial volume. During the process 8140 N-m of work is done by the system. What is the final spec..
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