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Question 1: What are the earthworks activities that may be carried out when forming deep excavations and cuttings. This could be, for example, infrastructure works for public utility providers. Also identify the plant used, the challenges presented by various sub-soils and the support and false work required to provide a safe working environment?
Question 2: Explain how drainage and public utilities are integrated into substructures. This should include deep reinforced concrete culverts and plant rooms, service ducting, cable trenching and service ducts
The forward direction is given by the alphabeteical order of the station names. Each angle is measured clockwise from the back direction to the forward direction so that they are on the left of the traverse looking forward.
Prepare a critical analysis report of one of these headings - Identify the key ideas and concepts being put forward by the author. Rigorously consider
1. introductionthe groundwater level has risen and now is present in the cut. answer the following questions. show
Describe and provide reasons for the best measurement method to use when measuring the value of roads and highways.
a section of highway has the following flow- density relationship: q= 50k - 0.156k^2 what is the capacity of the highway section, the speed at capacity, and the density when the highway is at one-quarter of its capacity
A triaxial test was performed on a dry, cohesionless soil under confining pressure of 144 kN/m^2. If the sample failed when the deviator stress reached 395.8 kN/m^2, determine the soil's angle of internal friction.
A truck spils 1 gallon of benzene into an aquifer with an area= 50ft^2 Benzene has a solubility of 1750 ppm, and a specific gravity of 0.873. The aquifer ahs a porosity of 0.25, a hydraulic gradient of 0.004 and a hydraulic conductivity of 1000 gp..
A bonfire emits CO at a rate of 30 g/s on a clear night (very stable conditions, Class F). The wind is blowing at 2 m/s at the effective stack height of 6 m. a. You have found a great place to pitch your tent 200 m directly downwind of the fire
Calculate and plot the distribution of total and effective vertical stresses as well as pore-water pressure with depth from the ground surface up to the bedrock surface.
A soil initially has a degree of saturation of 95% and a unit weight of 129 lb/ft3. It is then placed in an oven and dried. After removal from the oven, its unit weight is 109 lb/ft3. Compute the void ratio, porosity
The motor draws in the cable at c with a constant velocity of vc= 4 m/s. The moto draws in the cable at D with a constant acceleration of aD=8 m/s^2. If vD=0 when t=0, determine: a) the time needed for block A to rise 3 m b)the relative velocity of b..
What is the trancation error for sin(pi/2) if only the firstnon-zero terms of the Maclaurin serie are used? Ignore the roundoff error!
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