Civil Engineering questions and answers in April 2023

Briefly explain and discuss the architecture of system engineering. Why do you think architecture is essential, and what role does it play in system engineering? Please provide at least four examples ...
  ANSWERS   A. meters   B. liters   C. m/s 2   D. seconds                              . The amount of me nukes for a pendulum to swing "to-and-fro" through one crenplete...
 . 15.7 A 24 inch square prestressed concrete pile is to be driven to a depth of 68 ft into the following soil profile. Depth Soil Undrained Shear Strength, Su ( ft ) Classification Unit Weidth, y (1...
 . 15.5 A 500 mm diameter closed-end steel pipe pile is to be driven to a depth of 17 m into the following soil profile. Depth Soil (m) Classification Unit Weidth, y (kN/m3) Friction angle, o' () OCR...
1. (a) What kind of weathering process produces clay minerals? (b) Describe the process using one sentence.      2. (a) Define isomorphous substitution. (b) Describe the importance of this phenomen...
(5 pts.) Given the following design conditions, check if your thickness suggestion (see the individually assigned one below) is acceptable for fatigue and erosion performance according to the PCA desi...
Do not use  previous solved solution. . Determine the shear and moment as a function of a, and then draw the shear and moment diagrams for the beam in (Figure 1) Figure <1 of 1 > 12 kN . m BY ...
Using the website: https://gis.catawbacountync.gov/parcel/ and the parcel ID: is 369901477166 Answer the following questions below:   Description of adjacent areas which might be affected by land-dis...
The following step-by-step instructions are to be implemented in a single Matlab script. • Use importdata() command to import the data  le "TimeSeries.dat" into Matlab. • Calculate the vector tha...
plese help. Problem #5 - Linear Scheduling Analysis (20 points) The following production rate information was gathered from cost estimating data for a 4,000-foot pipeline installation project in rural...
please help answer parts a b and c fill in all tables  . Problem #3 - Time-Cost Trade-Off Analysis (20 Points) Given the precedence diagram below, perform the following: a. Perform forward and backwa...
Problem #3 - Time-Cost Trade-Off Analysis (20 Points) Given the precedence diagram below, perform the following: a. Perform forward and backward pass calculations to calculate Early Start (ES), Early ...
Problem 10 involves pieces of Douglas Fir. Please show all work and discuss any assumptions. 10. a. An oven dry piece (2.42 inch by 2.26 inch by 6.04 inch) of Douglas Fir weighs 1.32 lbs. What is the ...
 . An irrigation siphon with a diameter of 100 mm has the dimensions shown and is placed over a dike. Estimate the flowrate expected under a head of 0.3 m. You may assume a re-entrant entrance, a fri...
1- If the length of EA is 534 ft, what is the departure of EA? -92.73 207.88 491.9 -207.8 2- If the length of EA is 534 ft, what is the latitude of EA? 207.88 -207.8 -92.73 491.9 3- If the X of A is 2...
The unit weight of reinforced and prestressed concrete is often estimated to be 150 pcf for design calculations. Using a concrete unit weight of 145 pcf and steel unit weight of 490 pcf, determine the...
 . Social 30-2 Writing Assignment: What do you know? Dictatorship Features of Political 53:3!th. INDOCTRINATIONPOLice PROP INDEPENDENT COURTS DEMONSTRATIONS SECRET Purges BALLOT Which method(s) used ...
(A) Strategic value study  Present in the report the client project value system for the scheme relevant to RIBA PoW Stage 1 in the form of a pairs-comparison matrix to reflect the priorities and mea...
12. Assume concrete for a 12ft tall column is to be placed at a rate of 6 ft/hr. Concrete having a density of 120 pcf with a slump of 4 inch and a temperature of 80F is made with a cement blend contai...
Using the method of double integration, determine for the beam shown: a) Equation of the rotation curve [𝜃(𝑥)] (20%) b) Equation of the elastic curve [𝑣(𝑥)] (20%) c) Rotation in C (𝜃?...
A contractor is considering the following three alternatives: a. Purchase a new computer system for $15,000. The systems is expected to last 6 years with a salvage value of $1,000. b. Lease a new comp...
 . Question 1: RETAINING WALLS A free gravity retaining wall is to be built in a seismically active region. The wall is considered as an ordinary structure and the allowable outward displacement is e...
Problem 2 (part 1): minimum cycle length and the effective green time for each phase An intersection has a three-phase signal with the movements allowed in each phase and corresponding analysis and sa...
Problem 1: D/D/1 queueing for signalized intersection An approach to a pretimed signal has 25 seconds of effective green in a 60-second cycle. The approach volume is 500 veh/h and the saturation flow ...
Part 1: Use the SkyCiv Software to neatly draw the shear and bending moment diagrams for the 2 problems assigned to you . On each diagram, identify the minimum and maximum values. Note: on Problem 4, ...
12.5 What is the cash position (overdraft) amount for the 1-Aug column in the table  . 12.5 What is the cash position (overdraft) amount for the 1-Aug column in the table? Date 1-Jun 1-Jul 1-Aug 1-Se...
 . b. An anchored sheet pile wall is to support a mass of cohesionless soil with a horizontal surface up to a height of 6.0 m. The anchor ties are 1.25 m below the top of the retained soil. The depth...
Now that I have the stress-strain curve plotted, how to indicate the flexural strength (in unit: MPa), the flexural offset yield strength (in unit: MPa) and the flexural modulus of elasticity (in unit...
 . Steel HP 360 * 108 pile * = 30 dog soft ayer 1 8, = 100 pef Layer 2 30 ft 7 = 120 pcf 82 = 36 deg a ) Calculate axial Capacity in Compression () Ultimate ( 1i ) Allowable b) Calculate axial Capaci...
Explain the differences between BIM (building information modeling) and VDC (virtual design and construction) using a public website which has this content to explain this, and provide authors name an...
How can this be done in AutoCAD? I need some help. Can the AutoCAD file be provided? Thank you so much!. Details of object: Length of screen 32 14 inches (including frame) Width of the screen 21 12 in...
 . The reservoirs below are connected by cast iron pipes that are joined abruptly. These include a sharp edged entrance and exit. Including minor losses, estimate the flow of water if the surface of ...
 . 4. What are minimum acceptable discharge criteria, hose stream allowances, and water supply durations for the protection of the following facility using either CMDA sprinklers or K112 upright CMSA...
Homework Set-10 Gravity Loads -(Dead Loads)   Problem-1   The floor plan shown is subjected to a uniformly distributed load of 45 psf over its surface area. Determine the loads acting on the floor ...
In designing a vertical curve joining a -2.00% grade to a + 0.50% grade on a county road in Ontario, the centreline of the road must clear an overhead structure located at station 99+20 by 5.67 m. The...
A culvert (8-ft-wide x 7-ft-tall concrete box culvert with a square-edged entrance) is to be designed for a road crossing. Consider a 0º wingwall flare box culvert (refer to Table 16.2.1 to find the ...
For the truss shown below,  F1 = 22 kN and F2 = 32 kN . a) Determine the vertical displacement of joint C . Each memeber has a cross-sectional area of A = 300 mm 2  and E = 200 GPa. b) Determine th...
 . 10 II I 9. Calculate: (l) Centroid (f, )7) with O as origin, (2) Center of Gravity (or Mass) with O as origin. (3) Second moment of inertia (If and 15,) with centroid as origin, and (4) Radius of ...
Can you help me with these two questions?. Which of the following Tractor-trailer truck configuration would have the highest drag force Standard Fairing 60 With fairing Gap seal With fairing and gap s...
A soil profile at a construction site consists of 5 m of compacted sandy clay followed by 5 m of medium dense sand. Below the medium dense sand is a layer of compressible silty clay 20 m thick. The in...
please help with full problem and matlab code please and thank you  . A thin coating is placed onto a wooden surface to waterproof it. In order to apply the coating, which is 2mm thick, it is put on ...
The text references two types of plumbing "trees".  What are those two "trees" identifying? Group of answer choices Sanitary sewer and stormwater drainage   Potable water and sanitary sewer   Chill...
2018年版澳大利亚和新西兰标准建筑工程量方法中的结构钢问题如何解决？. Measure the quantities for the steelwork shown. 200 NOTE: Trusses (only) are rigid frames 1 All steel...
show all the calculations and explain. Question 3 - If a 370 kN load is applied on a rectangular foundation with dimensions of 4 m x 6 m, located at the top of the soil surface, using the 2:1 approxim...
Select one: a.   Day Activity Resource Use C L Day 1 A 1 1 Day 2 to 3 B, I, D 3 3 Day 4 E, I, D 2 1 Day 8 H 1 1 Day 9 to 12 C 0 0         b.   Day Activity Resource Use C L Day 1 A 0 0 Day 2 to ...
 . Remember to include proper units in your answers Show all work for partial credit. 1. Determine the force in each member of the truss and state if the members are in tension or compression. P, = 8...
use excel to plot e-log (sigma)' curve.. NOTE: For any required additional data (i.e., table/figure) please refer to the textbook (Das, B. M. PRINCIPLES OF GEOTECHNICAL ENGINEERING 10TH ED.) 1. The ta...
Desorption from sediments plays a significant role in determining the fate of contaminants in natural systems. In this problem, you employ a given model to describe desorption of chlorobenzene in a la...
solve using integration, boundary conditions    . Determine the deflection at Point C of the beam shown below (negative is down). P = 6 kN Wo = 30 kN/m E = 199 GPa I = 87.216x10-6 m4 Express your an...
Una compañía aseguradora de automóviles tiene actualmente 2.500 clientes, los cuales son clasificados en tres categorías: baja, satisfactoria y preferencial. Al final de cada año, la compañía r...
SCENARIO Westvaco produces and sells more than $2 billion worth of paper products each year. It has developed a spreadsheet-based distribution tool to assign truckloads to different motor carriers dai...