Following figure shows the mass-haul diagram for a road project. -Mass-Haul Diagram Volume (m³) 20000 15000 10000 5000 0 -5000 -10000 -15000 -20000 0 500 1000 1500 2000 Distance from the start of the project (m) O There will not be any movement of soil. O The soil will have to be moved from right towards the left Cannot be determined from the given information O The soil will have to be moved from left towards the right. 2500 3000 The section from 1400 m to 1600 m has been identified as a free-haul section. What will be the direction of net soil movement within this free-haul section? 3500

Following figure shows the mass-haul diagram for a road project. -Mass-Haul Diagram Volume (m³) 20000 15000 10000 5000 0 -5000 -10000 -15000 -20000 0 500 1000 1500 2000 Distance from the start of the project (m) O There will not be any movement of soil. O The soil will have to be moved from right towards the left Cannot be determined from the given information O The soil will have to be moved from left towards the right. 2500 3000 The section from 1400 m to 1600 m has been identified as a free-haul section. What will be the direction of net soil movement within this free-haul section? 3500

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 5.5P

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The following figure shows a section of road. During road construction, the fill material has been used obove a natural soil and a thin soft clay layer. Then the fill material has been compacted untill road level. After raining, a failure took place in the road so the section would be unstable. This road is very crowded and should be repaired as soon as posible. What is your solution to improve it? Explain with detail that why you select this method. Failure line River Compacted fill Natural soil Road Soft clay layer
Kinetic energy correction factor: Define it and explain how to get it. What are its typical values? @ Hydraulic grade line and energy line: Give their definition. What are their applications?
O c. 16200 JD O d. None of the above A construction site located at Mu'tah, the soil weighs (1163 kg/LCM), (1661 kg/BCM), and (2077 kg/CCM), How many bank cubic meters (BCM) are contained in million loose cubic meters of this soil? Select one: O a. 500,000 BCM O b. 800,000 BCM O c. 700,000 BCM O d. None of the above Alben is the 6:08 PM l) ENG 5/24/2021 DELL
Q1) A. Briefly describe the following: - 1. Under what conditions would you prefer borrowing new material from a borrow pit for highway embankment over using material excavated from an adjacent section of the road?
The soil borrow material to be used to construct a highway embankmenthas a density of 1570 kg/m3, a water content of 6%, and the relative density of soilsolids is 2.65 . The specifications require the soil to be compacted to a dry density of1794 kg/m3 and the water content held to 13%.a. How many BCM are required to construct a 176,306 m3 embankment?b. How many liters of water must be added to the borrow material, on a cubic meterbasis, assuming no loss by evaporation?c. If the compacted embankment becomes saturated at constant volume, what will bethe water content and the density of the soil?
Q1. Answer the followinga) Convert 1700LCM of common earth to a volume in compacted measure (CCM). b) Calculate the volume of sand and gravel (in LCM) needed to fill a ditch that is 2km x 3m x 1.5m. The sand and gravel will be compacted.
1. Describe the purpose of soil stabilization and discuss at least three methods of achieving soil stabilization. 2. How does soil stabilization affect highway construction 3. How is track modulus expressed? State the factors affecting it and give the values of at least one of these factors for the tracks in our country. 4. Explain the following terms. (a) Track modulus (b) Coning of wheels (c) Tilting of rails (d) Permanent way 5. Explain briefly how the pressure created by wheel loads is transmitted through the ballast. What factors of the ballast influence the intensity of the pressure on the fo tion? 6. What is the ballast? Why is it used in the railway track? Briefly describe the various types of ballasts used.
For the beam shown, the magnitude of the concentrated load is P = 28 kN, the magnitude of the couple is Mg = 200 kN-m, and the beam lengths are a = 4.8 m and b= 14.4 m. (a) derive equations for the shear force V and the bending moment M for any location in the beam. Place the origin at point. A. (b) use the derived functions to plot the shear-force and bending-moment diagrams for the beam. Use your diagrams to determine the magnitudes of the maximum shear force and the maximum bending moment. Note that answers may be positive or negative. Here, "maximum" refers to the largest magnitude value, but you should enter your shear force and bending moment with the correct sign, using the sign convention presented in Section 7.2 of the textbook. If the magnitudes of the largest positive and largest negative values are the same, enter a positive number. P a MB B b C X
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For the beam shown, the magnitude of the concentrated load is P = 11 kN, the magnitude of the couple is MB = 190 kN-m, and the beam lengths are a = 4.9 m and b= 14.7 m. (a) derive equations for the shear force V and the bending moment M for any location in the beam. Place the origin at point. A. (b) use the derived functions to plot the shear-force and bending-moment diagrams for the beam. Use your diagrams to determine the magnitudes of the maximum shear force and the maximum bending moment. Note that answers may be positive or negative. Here, "maximum" refers to the largest magnitude value, but you should enter your shear force and bending moment with the correct sign, using the sign convention presented in Section 7.2 of the textbook. If the magnitudes of the largest positive and largest negative values are the same, enter a positive number. A MB B b C X
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