+x Ask a Question | bartlebyx Solved: . The Following Data Wer Cx YouTube: مواد بناء م.د. زينب هاتف الأول ص xclassroom.google.com/u/1/c/MTcyMTEwMjg2NTEz Aترجمة Go ogle 6 البريد الوارد . . en - )41(الفصول الدراسيةالتطبيقات= فتح ياستخدام مستتدات Go ogleMechanical properties or materiaisLEC 3.pdf6) Modulus of elasticity7) Upper and lower yield point8) Ultimate strength9) Breaking strength based on the original cross sectional area and on true cross sectional area10) Percentage of elongation11) Percentage of reduction insectional area.12) Ductility, Resilience and toughnessLoad (N)Deformation(mm439316902293573336033627355844136648839527095537856356437680.02540.1270.2280.3050.3563.816.3511.6816.7626.924376842.4219 I18ww.ENG 12:57 PMO Type here to search60US2/24/2021 X Ask a Question | bartlebyx Solved: . The Following Data Wer Cx YouTube: مواد بناء م.د. زينب هاتف الأول ص xclassroom.google.com/u/1/c/MTcyMTEwMjg2NTEz Aالبريد الوارد . . en - )41(B الفصول الدراسية ترجمة Go ogleالتطبيقات= فتح باستخدام مستتدات Go ogleLEC 3.pdfHEMechanical properties of materialsGUD• H.W.:• The following data where obtained during the tensile test of mild steel circular bar 12.75 mmdiameter and 203.2 mm gauge length. Determine the following:1) The apparent stress at each point2) Strain at each point3) True stress at each point ( Assume D at failure is 8,51 mmD at max.is 11.mm )4) Draw stress – strain curved based on:a) Original cross sectional areab) True cross sectional area5) Proportional limit19 I 17صفحةENG 12:56 PMO Type here to searchUS2/24/2021

The Basic Formulae are given as:Engineering Stress =LoadOriginal AreaEngineering Strain =…

• H.W.: • The following data where obtained during the tensile test of mild steel circular bar 12.75 mm diameter and 203.2 mm gauge length. Determine the following: 1) The apparent stress at each point 2) Strain at each point 3) True stress at each point ( Assume D at failure is 8,51 mm and D at max. load is 11.15 mm ) 4) Draw stress – strain curved based on: a) Original cross sectional area b) True cross sectional area 5) Proportional limit

• H.W.: • The following data where obtained during the tensile test of mild steel circular bar 12.75 mm diameter and 203.2 mm gauge length. Determine the following: 1) The apparent stress at each point 2) Strain at each point 3) True stress at each point ( Assume D at failure is 8,51 mm and D at max. load is 11.15 mm ) 4) Draw stress – strain curved based on: a) Original cross sectional area b) True cross sectional area 5) Proportional limit

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Example: tension test has been conducted on a specimen of steel (Lo=100 mm, Do-20mm) and the following results have been obtained: 375 7500 750 850 1100 1200 1250 1150 1000 Load Fractur (kgr) Extensio 0.06 0.12 1.40 4.00 12.00 18.00 24.00 29.00 32.00 e n (mm) 1. Draw engineering stress-strain curve. 2. Draw true stress-strain curve on the same plot for comparison. 3. Calculate yield strength. 4. Calculate tensile strength. 5. Calculate percent elongation at fracture. 6. Calculate ductility by two methods. 7. Calculate modulus of elasticity.
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(c) A piece of material is subjected to tensile stress of 70 N/mm² in one direction and a compressive stress of 50 N/mm² in a direction at right angles to the previous one. Find fully the stresses on a plane the normal of which makes an angle of 40 degree with the 70 N/mm² stress.
The following terms apply to LRFD (limit state design) and ASD. Which of the following is a limit state design concept?
3. The distribution of stress in an aluminum machine component is given (in megapascals) by Ox = y + z? Oy = x + z Oz = 3x + y Txy = 3z2 Tyz = x Txz = %3D Calculate the state of strain at a point positioned at (1,2,4). Use E=70 GPa and v = 0.3
Tensile test data for wires, used to support the beam, is shown in table-1. Gauge length during tensiontest was kept 20mm and the diameter of wire was 8mm. Draw the stress-strain diagram at suitable scalefor given data and determine the yield strength, ultimate strength, modulus of elasticity, modulus oftoughness and modulus of resilience.
A 19-mm reinforcing steel bar and a gauge length of 75 mm was subjected to tension, with the results shown in Table Using a computer spreadsheet program, plot the stress–strain relationship. From the graph, determine the Young’s modulus of the steel and the deformation corresponding to a 150-kN load.
The data shown in the table were obtained from a tensile test of a metal specimen with a rectangular cross-section of 0.2 in.? in area and a gage length (the length over which the elongation is measured) of 2.000 inches. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2% offset method to determine the yield stress.
Mechanics of Deformable Bodies
(c) A piece of material is subjected to tensile stress of 70 N/mm² in one direction and a compressive stress of 50 N/mm² in a direction at right angles to the previous one. Find fully the stresses on a plane the normal of which makes an angle of 40 degree with the 70 N/mm² stress.