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A three-lane northbound section of interstate (with the design lane conservatively designed) has rigid pavement (PCC) and was designed with a 10-inch slab, 90% reliability, 700 lb/in2 concrete modulus of rupture, 4.5 million lb/in2 modulus of elasticity, 3.0 load transfer coefficient, and an overall standard deviation of 0.35. The initial PSI is 4.6 and the TSI is 2.5. The CBR is 2 with a drainage coefficient of 1.0.
The road was designed exclusively for trucks that have one 24-kip tandem axle and one 12-kip single axle. It is known from weigh-in-motion scales that there have been 13 million 18-kip-equivalent single-axle loads in the entire northbound direction of this freeway so far.
If a section of flexible pavement is used to replace a section of the PCC that was removed for utility work, what structural number should be used so that the PCC and flexible pavements have the same life expectancy (the new life of the flexible pavement and the remaining life of the PCC)?
Write a OHM code to model this divisicm by constant circuit - Design a synthesirabie convergent rounder with the above specification
Analyze the three sections of the brain stem, their individual functions, and their component role in brain physiology. Categorize the brainstem, cerebellum, and cerebrum in terms of anatomy and functions
What is meant by "Environmental Stewardship"? And discuss engineers professional obligation to the environment.Only needs to be 150-200 words.
The tank in Fig is filled with water and has a vent hole at point A. It is 1 m wide into the paper. Inside is a 10-cm balloon filled with helium at 130 kPa. If the tank accelerates to the right at 5 m/s/s, at what angle will the balloon lean? Will..
E28: Mobile Robotics - Fall 2015 - HOMEWORK 2. Define the rigid transformations TWA, TWB, TLA, and TCB at time t = 0 in terms of their rotation matrix R and translation vector t. You should explicitly write out all of the matrix and vector elements
Bearing stresses are very common in aerospace engineering. It occurs on the surface of contact between any two structural members. Bolts, pins, and rivets are classic examples of where bearing stresses occur.
Investigate how a temperature sensor such as the TMP36 used in this lab works. In other words, describe the relationship between the values read from this device and how it correlates to temperature.
Draw the feasible region of the LP and determine whether it has infeasibility, unique optimum, alternative optima, or unboundedness
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A 300 word (-10%) executive summary. This information must be on its own page and be the first page after the cover pages.
The signal for the approach is timed such that the effective green starts eight seconds after the approach's vehicle queue reaches 10 vehicles, and lasts 15 seconds. What is the total vehicle delay for this signal cycle?
Q1: A first order system was assessed using a step response method and was found to have a time constant of 1.5s. a) Describe the basis for a step response
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