Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN: 9781285165738
Author: Alan Jefferis, David A. Madsen, David P. Madsen
Publisher: Cengage Learning
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Chapter 29, Problem 29.1P
To determine
The weight supported by each end.
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PHF-0.91
Pedestrian volume is negligible.
Question 7
A parking area with 60 bays has an initial count of 35 vehicles. The in-out survey data for 10-minute
intervals is as per the table below. Complete the table, calculate the accumulation, occupancy (%), and
parking load (veh.hrs) for each interval.
Time (min)
In
Out
Accumulation
Occupancy
Parking load
(%)
0
3
10
2
4
20
1
1
30
1
3
40
1
6
50
1
4
60
Q3/ The following data represent the water depth in the soil of equal areas for
specified field. Calculate the uniformity coefficient, efficiency and adequacy of
irrigation. Net needed irrigation depth =75 mm
(78-04, 79, 88, 85.21, 76,82)
A
(A)
Q1/ It is required to apply a net depth of 120mm to a total area of 60 ha. The applied
discharge is continuously 180 L/s. What must be the time of irrigation? Assume the
application efficiency 85%.
а
Eas 85
0%
t
Chapter 29 Solutions
Architectural Drafting and Design (MindTap Course List)
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- A 12-in. full-depth asphalt pavement is placed on a subgrade with aneffective roadbed resilient modulus of 7,000 psi. Assuming a layer coefficient of 0.44 for the hot mix asphalt, a drop in PSI from 4.5 to 2.5, an overall standard deviation of 0.49, and a predicted ESAL of 10 X 10^6, determine the reliability of thedesign by using the AASHTO equation and check the result by using the AASHTO design chartarrow_forwardGiven the monthly resilient modulus below, find out relative damage of each month, the average relative damage and the effective roadbed resilient modulus.Month Resilient Modulus (psi):Jan 20,000Feb 22,000March 5,000April 6,000May 7,000June 8,000July 8,500August 9,500September 9,000October 8,000November 7,000December 18,000arrow_forwardDetermine the largest torque T that can be applied to each of the twoaluminium bars shown in Figure 5 below, and the corresponding angle of twistat B, knowing that allow = 50 MPa and G = 26 GPa. [10]Figure 5 : Aluminium Bars(Source: Mechanics of Materials Beer, Johnston, DeWolf & Mazurek 6Ed p204)arrow_forward
- Assume a car park facility where the arrival rate is λ customer every minute, and the service process including pressing the button, taking the card, and waiting for the boom to rise leads to service rate of μ customer every minute. a. Assume the arrival and service processes are stochastic. Using any software (Excel, Matlab, or the one you prefer), plot average delay time (including service time) and average queue size (including the vehicle currently being served) for all combinations of λ = {1,2,3,..,10} and p = {0.1,0.3,0.5,0.7,0.9}. Specifically, we ask you to make 2 graphs (one for average delay and the other for average queue size), where the x-axes contains the different values for 1, and where you make one curve for each p. b. Assume the arrival process is stochastic but the service process is deterministic with rate µ. Using any software (Excel, Matlab, or the one you prefer), plot average delay time (including service time) and average queue size (including the vehicle…arrow_forwardConsider, M people (aka pax) who want to travel by car from O to D. They all start working at D at Q (e.g., Q-8am). If a person departs at time t, assume the time needed to go from O to D is given by c(t)=A+Bx(t), where x(t) is the flow of people departing at time t [car/unit of time]. In addition, a is the penalty for being early at work (E(t) is how early the person arrived when departing at time t), and ẞ is the penalty for being late at work (L(t) is how late the person arrived when departing at time t). Assume 0 < a < 1 < ß. Further assume the departure time choice problem under the equilibrium conditions. Prove that the arrival time of people who depart when most of the M people start their trips is equal to Q.arrow_forwardConsider, M people (aka pax) who want to travel by car from O to D. They all start working at D at Q (e.g., Q=8am). If a person departs at time t, assume the time needed to go from O to D is given by c(t)=A+Bx(t), where x(t) is the flow of people departing at time t [car/unit of time]. In addition, a is the penalty for being early at work (E(t) is how early the person arrived when departing at time t), and ẞ is the penalty for being late at work (L(t) is how late the person arrived when departing at time t). Assume 0 < a < 1 < ß. Further assume the departure time choice problem under the equilibrium conditions. Prove that the arrival time of people who depart when most of the M people start their trips is equal to Q.arrow_forward
- 1. Plot the SWRC (suction vs. volumetric water content) from the van Genuchten (1980) model for the following “base-case” parameters (assume m = 1-1/nvG): alpha vG = 0.35 kPa-1, nvG = 2.2,Delta res = 0.02, and delta S = delta sat = 0.45. These values are approximately representative of a sand.Perform a sensitivity analysis on each of the base case parameters (i.e., vary each by ±10% while holding the other three constant) to determine their relative effects on the SWRC. For example, how would a change in s alter the curve if the other base case parameters stay the same? In your answer, provide 4 plots for the parametric evaluation of each parameter as well as a brief qualitative explanation for each plot (for example, when investigating the effect of alpha vG, show the base-case curve and the curves with different values of alpha vG on the same plot). Be sure that suction is plotted on a logarithmic scale. Also, discuss how theparameters of the van Genuchten SWRC model might differ…arrow_forwardUsing AutoCAD and exact measure that numberarrow_forwardA fully grouted reinforced masonry wall is to be constructed of 8-in. CMU. The wall height is 18feet. It is assumed to be simply supported. The wall is to be designed for an out-of-plane seismicload of 52 lbs./ft.2, which can act in either direction. The wall also supports a roof dead load of600 lbs./ft. and a roof live load of 300 lbs./ft. along the wall length. The roof loads have aneccentricity of 2.5 inches. Since there is seismic load, load combinations (6) and (7) in Chapter 2of ASCE 7-22 should be considered. In these two load combinations,horizontal seismic loadhE =andvertical seismic loadvE = . You may ignorevE in this problem for simplicity. The masonryhas a specified compressive strength of 2,500 psi. (a) Use the strength design provisions of TMS402 to determine the size and spacing of the vertical bars needed. Use the P-δ analysis method inSection 9.3.4.4.2 of TMS 402 to determine Mu. (b) Repeat the design using the momentmagnification method in Section 9.3.4.4.3 instead.…arrow_forward
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