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CIVI 341 Assignment#02 copy
Civil Engineering Systems (Concordia University)
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CIVI 341 Assignment#02 copy
Civil Engineering Systems (Concordia University)
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Concordia University CIVI 314: Civil Engineering Systems
2022-2023 M.Naili 2023-02-03 Page 1 of 2 Assignment # 02 Instructions : Complete each question on a separate sheet (or sheets) of paper. Answers will be due at the end of the class period on February 16
th
. Please try to have a legible copy so that it can be marked. The copy needs to be scanned and uploaded in PDF format to the appropriate folder on Dropbox in Moodle. Late submission will incur 10% penalty per day up to a maximum of 50% of the total mark. Problem #1 (30 points)
The “Homewood Masonry optimization problem”
has been solved in class (lecture 6) using the Simplex Tableau by taking the x
1
as the initial entry variable. Redo the same problem by considering the x
2
as the entry variable instead of x
1
. You are asked to: 1.
solve the problem using Simplex Tableau showing all the iterations steps (20 points) 2.
using the graphical Method, locate each of the possible optima (5 points) 3.
compare both selected choice (x
1
then x
2
as entry variables) and draw conclusion. (5 points) Problem #2 (30 points)
A manufacturer produces three types of plastic fixtures. The time required for molding, trimming, and packaging is given in the below Table. (Times are given in hours per dozen fixtures.) How many dozen of each type of fixture should be produced to obtain a maximum profit? Downloaded by The Italian Stalion (mikeangelo81087@gmail.com)
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Provide a brief technical memo for eachphoto. You can explain some possible technical issuesor some technical recommanadtions to improveconstruction techniques
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NOTE: FLUX Q FOR WEEK 2
A. -0.0998 cm/day
B. -0.9098 cm/day
C. -0.0899 cm/day
D. -0.8099 cm/day
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ANALYSIS OF TRUSS
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Assignment 8 (Chapters 9 and 10)
undamental Problem 9.20
4
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Determine the magnitude of the hydrostatic force acting on gate AB, which has a width of 3 m. Water has a density of p = 1 Mg/m.
(Figure 1)
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Question 1
2
For the truss shown below disregarding the weight of the structure:
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Calculate the left and right support reactions for the truss. For the left hand
side reaction, provide the magnitude and direction of the horizontal and
vertical components.
(b)
Using the method of joints or method of sections, calculate the forces in the
members a, b, c, d, e, f, and g. For non-zero forces, state tension or
compression for each member.
W…
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a) Why is transportation considered as a derived demand?
b) A base year trip-generation study obtained the data shown below relating to the daily
person-trip productions per dwelling unit (Y) and residential density (X dwelling units per
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ii) Using the calibrated model, solve the following problems:
A residential zone A has an area of 500 acres and contains 7500 dwelling units. Two zones B
and C are competing for the trips produced in A. Given the following information, calculate
the trip interchange volumes QAB and QAC IF WAB=…
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shear, tension, and bending of the fixed I-beam. For
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forces at A, F, parallel and F, perpendicular to the
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4.6 The stresses induced at a critical point in a
machine component made of steel 45C8 (S
= 380 N/mm?) are as follows:
;= 100 N/mm? 0,=40 N/mm?
Ty= 80 N/mm?
Calculate the factor of safety by (i) the
maximum normal stress theory, (ii) the
maximum shear stress theory, and (iii) the
distortion energy theory.
[(i) 2.44 (ii) 2.22 (iii) 2.32]
09:43
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Construct the shear-force diagram and identify the largest negative shear force. Assume a = 5.3 ft, b = 10.6 ft, c = 21.2 ft, w = 1060
Ib/ft, and P = 2600 lb.
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The solid 1.05-in.-diameter rod is subjected to a uniform axial distributed loading along its length of w = 975 lb/ft. Two concentrated
loads also act on the rod: P= 1900 lb and Q = 500 lb. Assume a = 21 in. and b = 42 in. Determine the normal stress in the rod at the
following locations:
(a) x = 14 in.
(b) x = 42 in.
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A steel [E = 200 GPa] bar (1) supports beam AB. The cross-sectional area of the bar is 580 mm2. If the stress in the bar must not exceed
330 MPa and the maximum deformation in the bar must not exceed 13 mm, determine the maximum load P that may be supported by
this structure. Use dimensions of a = 4 m, b = 2.4 m, and c = 5.2 m.
(1)
B
a
Answer:
P =
i
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3. A circular steel bar with cross sectional area of 4 in is loaded
as shown.
a) Compute the shear and tensile stresses at plane X-X when
0= 30°.
b) Indicate at which angle(s) shear stress is maximum.
© Also, calculate the maximum compression stress and
indicate the angle at which this maximum compression stress
occurs.
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10,000 lb
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A catchment of area 200km is subjected to a storm with the following profile
Time (hr)
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- Provide a brief technical memo for eachphoto. You can explain some possible technical issuesor some technical recommanadtions to improveconstruction techniquesarrow_forwardNOTE: FLUX Q FOR WEEK 2 A. -0.0998 cm/day B. -0.9098 cm/day C. -0.0899 cm/day D. -0.8099 cm/dayarrow_forwardAnswer 5 and 6 both.arrow_forward
- IL. « vjm-oniv-tuv allpolaall CTrussdoox - Word Pertectit 3 O Tell me what you want to do lelerences Mailings Review View Help Grammarly Foit PDF AaBbCcod AsBbCcDd AaBbC AaBbCct AaB AaBbCcD AoBbo 1 Normal 1 No Spac. Heading 1 Heading 2 Aa Title Subtitle Subtle Paragraph Shles 2 3 4 S 7 ANALYSIS OF TRUSS in A Example: Determine the forces in each member of the truss shown in the figure and indicate whether the member is in tension or compression. |lo0 ** 50 kN %23 Notes : 09:17 260 MB FS: Zoom In/Out Ctrl F10: Pause/Resume تتم مشاركة العرض من قبل Firas. ...arrow_forwardProvide a brief technical memo for eachphoto. You can explain some possible technical issuesor some technical recommanadtions to improveconstruction techniquesarrow_forwardContent O Pearson MyLab and Mastering x E MasteringEngineering Masterin x + -> A session.masteringengineering.com/myct/itemView?assignmentProblemID=12846541&offset3Dnext Apps 3 Apple Disney ESPN 6 Yahoo! Bing Google O Yahoo S Imported From Sa. 国 Assignment 8 (Chapters 9 and 10) undamental Problem 9.20 4 Part A Determine the magnitude of the hydrostatic force acting on gate AB, which has a width of 3 m. Water has a density of p = 1 Mg/m. (Figure 1) Express your answer to three significant figures and include the appropriate units. HA FR= Value Units Figure 1 of 1 Submit Request Answer Provide Feedback 3 m 2 m MacBookarrow_forward
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- Not copy paste from anywhere.arrow_forwardI need the answer as soon as possiblearrow_forwardEngineering mechanics 1.pdf (SECURED) - Fox View Form Protect Share Connect Help O Tell me what you warn Q 162.67% Rotate Left TI T Lnk A File Attachmer A Bookmark Image Annota T Reflow Typewriter Highlight E Rotate Right O Audio & Video View Comment Links Insert Engineering mechanic... Engineering mechanics... Problem 2/7 hanic... Engineering mechanic... 2/8 Determine the resultant R of the two forces shown by (a) applying the parallelogram rule for vector addition and (b) summing scalar components. 600 N 2/1 400 N 60 Problem 2/8 2/9 To satisfy design limitations it is necessary to deter- mine the effect of the 2-kN tension in the cable on the shear, tension, and bending of the fixed I-beam. For this purpose replace this force by its equivalent of two forces at A, F, parallel and F, perpendicular to the haam Datarmine F and F 11 1 26 / 30arrow_forward
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