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Concept explainers
Refer to Figure 18.23. Given
- a. Find the required depth of the sheet pile, increasing the theoretical estimate by 30%.
- b. Determine the force in the tie rods if they are spaced 3 m apart horizontally.
- c. Find the maximum bending moment in the sheet pile.
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Chapter 18 Solutions
Principles of Foundation Engineering
- A person entering public transport center to purchase intercity Bus ticket. There is two ticket line to purchase tickets. Each ticket purchase takes an average of 12 seconds. The average arrival rate is 3 persons/minute. Find (a) Probability of having one traveler in the system, (b) the average length of queue, (c)average waiting time in queue, (d) average time spend in system. Arrival follows Poisson distribution and service time follows negative exponential distribution.arrow_forwardUse recommended referencing style (APA) for all materials you used in the presentation of the report. Question 1 Ivan Institute has secured funds to construct an oval-like lecture hall at their new campus at a cost of 3 million United States Dollars. As a consultant of the project, you have a mandate to package the project for the most qualified contractor. Carry out the procurement process from advertisement to awardarrow_forwardThe calibrated Greenberg model is of the form, v = 32ln(295/k),where k is in veh/mile and v is in mile/hr.(a)Sketch the v-k relationship and discuss the obviousdisadvantage of the model. b)Determine (i) the jam density, (ii) the capacity or maximum flowand (iii) the values of speed and density at capacity. (c)Sketch the q-k and v-q relationshipsand indicate the points obtained in (b) above.arrow_forward
- Vehicles begin to arrive at an amusement park entrance at 8:00 A.M. at a rate of 1000veh/h. Some of these vehicles have electronic identifiers that allow them to enter the park immediately, beginning at 8:00 A.M., without stopping (they are billed remotely). All vehicles without such identifiers stop at a single processing booth, but they wait in line until it opens at 8:10 A.M. Once open, the operator processes vehicles at μ(t) = 8 + 0.5t [where μ(t) is in vehicles per minute and t is in minutes after 8:10 A.M.]. An observer notes that at 8:25 there are exactly 20 vehicles in the queue. What percent of arriving vehicles have electronic identifiers and what is the total delay (from the 8:00 A.M. until the queue clears) for those vehicles without the electronic identifiers (assume D/D/1 queuing)?arrow_forward1. For truss given in a figure below, determine reactions, and forces in all truss members. De- termine forces using two methods independently: (a) method of joints, and (b) method of sections. Compare your results and verify that your solutions are accurate. Assume that force F = 10kN. 2m 2m 2m ▼F ▼F 4m ▼F 4marrow_forward1) Determine if the existing sedimentation basins are sufficient to accommodate the projected future capacity. If not, design upgrades to the sedimentation basins. A) Current Capacity: 22.5 MGD B) Future Capacity: 34.5 MGD for 110,000 residents C) If not, design upgrades to the sedimentation basins. 2) Specify the design flow rate, the type of basin (circular vs. rectangular) 3) Specify the basin dimensions (length, width, water depth or diameter and water depth). 4) Specify the dimensions of the launders (if applicable) and the length of the weir.arrow_forward
- The capacity of a freeway lane with free-flow speed of 70mph and jam density average vehicle spacing 40ft assuming greenshields’s model applies. Please explain step by step and show formulaarrow_forward3. For problems given below, determine all the reaction forces and plot force diagrams for normal forces (N), shear force (T), and moments (M). 150 lb/ft 10 ft C B 2 ft 2 ft -4 ft D 250 lb/ft 50 lb/ft B 150 lb-ft 150 lb-ft -20 ft 10 ft -20 ft 200 lb-ftarrow_forwardPlease explain step by step and show all the formula usedarrow_forward
- By using the yield line theory, determine the moment (m) for an isotropic reinforced concrete two- way slab shown in figure under a uniformly distributed load. Using moment method 5 2 7.0m 1 A I c.g. * B c.g 5 2 B c. g. ㄨˋ A A 2.5 2.0 2.5 5.0marrow_forwardPlease explain step by step and include any formula usedarrow_forwardPlease explain step by step and include any formular usedarrow_forward
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