EP WEBASSIGN FOR MOAVENI'S ENGINEERING
6th Edition
ISBN: 9780357126592
Author: MOAVENI
Publisher: CENGAGE CO
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Chapter 1.2, Problem 1BYG
To determine
Explain the essential needs of people.
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Part 1: True or False. Indicate whether the following statements are True (T) or False (F) by encircling
the letter that corresponds to your answer.
1. (T/F) Residual soils are formed by the weathering of rocks in place.
2. (T/F) The Standard Penetration Test (SPT) provides a disturbed soil sample.
3. (T/F) The groundwater table has no effect on the interpretation of soil exploration data.
4. (T/F) Geophysical methods are always more accurate than direct soil sampling methods.
5. (T/F) The N-value in the SPT is the number of blows required to drive the sampler the first 150
mm.
Part 2: Multiple choice. Choose the best answer for each question.
1. Which of the following is NOT a transported soil deposit?
a) Alluvial
b) Glacial
c) Residual
d) Aeolian
2. What is the primary purpose of subsurface exploration?
a) To determine the depth of bedrock
b) To identify soil types and their properties
3. Which test provides a continuous profile of soil
a) Standard Penetration Test (SPT)
b) Cone…
Determin the shear and moment in teh beam as a function of x where 2m<x<4m.
Encuentra las fuerzas internas de todos los elementos en las siguientes armaduras por el método de nodos
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- Given a side slope of 2:1, a road width of 10 m and cross-sectional area of 36.4 sq m, for the following cross-sectional notes: 9.8..........0...........x2 y1..........y..........1.2 Determine the value of y.arrow_forwardFrom station A with center height for 1.4m in fill, the ground makes a uniform slope of 5% to station B whose center height is 2.8 m in cut. Assuming both sections to be level sections having a width of roadway of 14 m and a side slope of 2:1 for both cut and fill, compute the cross-sectional area of fill 48 m from station A. Distance from station A to station B is 60 m.arrow_forwardFrom station 10+100 with center heights of 2 m in fill, the ground line makes a uniform slope of 4.8% to station 10+150 whose center heights is 1.2 m in cut. 1. Determine the slope of a new roadway to be constructed. 2. Determine the distance from station 10+150, will the excavation extend. 3. Determine the area of fill 10 m from 10+100 if the width of roadway is 8 m and the side slope is 1:2.arrow_forward
- Funding Plan How much funds required to reach to the next level of the venture? • ? How much have been bootstrapped? If not, why? • ? How much can be bootstrapped? • ? How much external funding required? If not, why? • ? Funds utilization strategy (Details) • ? • ? • ? • ? • ? • ? • • ? ? ? ? ? Place your logo herearrow_forwardA semicircular 40 ft diameter− − tunnel is to be built under a150 ft deep− − , 800 ft long− − lake, as shown below. a) Determine the horizontal, vertical, and resulting hydrostatic forces acting on this tunnel. (Answer: 8 8 8 1.398 10 , 2.596 10 , 2.64 10H y netF lbf F lbf F lbf= × = × = × ) b) Calculate the hydrostatic force on the bottom of the lake if the tunnel was not there, and compare it with the total (resulting) hydrostatic force that you calculated in part (a). (Answer: 8 2.995 10VF lbf= × ) c) As the design engineer of this tunnel would you take the hydrostatic force on the bottom of the lake as a rough estimate of the resulting hydrostatic force acting on this tunnel. Discuss your decision.arrow_forward3.2 Consi parabolic equation (Eq. 3.1) 3.3 Again consider Example 3.4. Does this curve provide sufficient stopping sight distance for a speed of 60 mi/h? -tangent grade with a -1% final mi/h. The station of the 1203 ft. What is the elev 3.4 An equal-tangent crest vertical curve is designed for 70 mi/h. The high point is at elevation 1011.4 ft. The initial grade is +2% and the final grade is -1%. What is the elevation of the PVT? +00? 3.10 An equal-tangent w 2012 (to 2011 AASHTO of 70 mi/h to connec -2.1%. The curve is design speed in th technology has adv design deceleration value used to dev percentage of ol design reaction vehicles have b height is assun roadway obje 3.5 An equal-tangent crest curve has been designed for 70 mi/h to connect a +2% initial grade and a -1% final grade for a new vehicle that has a 3 ft driver's eye height; the curve was designed to avoid an object that is 1 ft high. Standard practical stopping distance design was used but, unlike current design standards,…arrow_forward
- Factor of Safety Activity The lap joint is connected by three 20-mm diameter rivets. Assuming that the applied allowable load, P=50kN is distributed equally among the three rivets and a factor of safety of 1.5, find: (a) the failure shear stress in a rivet, and (b) failure bearing stress between the plate and rivet 25 mm 25 mmarrow_forwardDraw the shear and moment diagrams of the beam CDE showing all calculations. Assume the support at A is a roller and B is a pin. There are fixed connected joints at D and E. Assume P equals 9.6 and w equals 0.36arrow_forwardFind the length of the diagonal on the x-z plane (square root of square of sides). Find angle between the vector F and its projection on x-z (the diagonal defined above). Find Horizontal Projection of F on x-z plane, Fh, and vertical component, FY. Find projections of Fh, to define in-plane components Fx and Fz. Show that results match those of Problem 2(a) above. (2,0,4) F₂ 100 N (5, 1, 1)arrow_forward
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