Materials Science and Engineering Properties, SI Edition
1st Edition
ISBN: 9781305178175
Author: GILMORE, Charles
Publisher: Cengage Learning
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Chapter 8, Problem 55CQ
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1 For an reinforced concrete two-way slab shown in figure under the load (P). (the slab
continuous over all edges - all sides are fixed), Determine (By using yield line theory):
A- Draw the Yield line Pattern
B- Determine the moment m
C- Find The required flexural steel to resist the loads causing the slab to collapse if P = 200
KN, f=28 MPa, fy = 420 MPa d = 120 mm. Use 10 mm bars.
(Prin = 0.002)
+2 m
6 m
-8 m
3 m
At a point on the surface of a generator shaft the stresses are σx = -55MPa, σy =
25MPa and Txy = -20MPa as shown in Figure Q1.
(a) Using either analytical method or Mohr's circle determine the following:
Stresses acting on an element inclined at an angle 0 = 35°,
i.
ii.
iii.
The maximum shear stress
The principal stresses and
B.
25 MPa
A
55 MPa
20 MPa
Figure 1:Material stress state
(b) Consider that the Young's modulus for the material, E = 200kPa and
Poisson's ratio, v = 0.25.
i.
ii.
determine associate strains for the material with the stress as shown in
Figure 1
determine associate strains for the material with the stress at element
oriented at 35° (question 1a(i))
A study reports data on the effects of the drug tamoxifen on change in the level of cortisol-binding globulin (CBG) of patients during treatment. With age = x and ACBG = y, summary values are n = 26, Σx, = 1612, Σ(x, - x)² = 3756.96, Σy, = 281.9, Σ(y, - y)² = 465.34, and Ex,y,= 16,745.
(a) Compute a 90% CI for the true correlation coefficient p. (Round your answers to four decimal places.)
(b) Test Hop=-0.5 versus H: p< -0.5 at level 0.05.
Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)
z =
P-value =
State the conclusion in the problem context.
◇ Reject Ho. There is no evidence that p < -0.5.
○ Fail to reject Ho. There is evidence that p < -0.5.
Reject Ho. There is evidence that p < -0.5.
Fail to reject Ho. There is no evidence that p < -0.5.
(c) In a regression analysis of y on x, what proportion of variation in change of cortisol-binding globulin level could be explained by variation in…
Chapter 8 Solutions
Materials Science and Engineering Properties, SI Edition
Ch. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - Prob. 9CQCh. 8 - Prob. 10CQCh. 8 - Prob. 11CQ
Ch. 8 - Prob. 12CQCh. 8 - Prob. 13CQCh. 8 - Prob. 14CQCh. 8 - Prob. 15CQCh. 8 - Prob. 16CQCh. 8 - Prob. 17CQCh. 8 - Prob. 18CQCh. 8 - Prob. 19CQCh. 8 - Prob. 20CQCh. 8 - Prob. 21CQCh. 8 - Prob. 22CQCh. 8 - Prob. 23CQCh. 8 - Prob. 24CQCh. 8 - Prob. 25CQCh. 8 - Prob. 26CQCh. 8 - Prob. 27CQCh. 8 - Prob. 28CQCh. 8 - Prob. 29CQCh. 8 - Prob. 30CQCh. 8 - Prob. 31CQCh. 8 - Prob. 32CQCh. 8 - Prob. 33CQCh. 8 - Prob. 34CQCh. 8 - Prob. 35CQCh. 8 - Prob. 36CQCh. 8 - Prob. 37CQCh. 8 - Prob. 38CQCh. 8 - Prob. 39CQCh. 8 - Prob. 40CQCh. 8 - Prob. 41CQCh. 8 - Prob. 42CQCh. 8 - Prob. 43CQCh. 8 - Prob. 44CQCh. 8 - Prob. 45CQCh. 8 - Prob. 46CQCh. 8 - Prob. 47CQCh. 8 - Prob. 48CQCh. 8 - Prob. 49CQCh. 8 - Prob. 50CQCh. 8 - Prob. 51CQCh. 8 - Prob. 52CQCh. 8 - Prob. 53CQCh. 8 - Prob. 54CQCh. 8 - Prob. 55CQCh. 8 - Prob. 56CQCh. 8 - Prob. 57CQCh. 8 - Prob. 58CQCh. 8 - Prob. 59CQCh. 8 - Prob. 60CQCh. 8 - Prob. 61CQCh. 8 - Prob. 62CQCh. 8 - Prob. 63CQCh. 8 - Prob. 64CQCh. 8 - Prob. 65CQCh. 8 - Prob. 66CQCh. 8 - Prob. 67CQCh. 8 - Prob. 68CQCh. 8 - Prob. 69CQCh. 8 - Prob. 70CQCh. 8 - Prob. 71CQCh. 8 - Prob. 72CQCh. 8 - Prob. 73CQCh. 8 - Prob. 74CQCh. 8 - Prob. 75CQCh. 8 - Prob. 76CQCh. 8 - Prob. 77CQCh. 8 - Prob. 78CQCh. 8 - Prob. 79CQCh. 8 - Prob. 80CQCh. 8 - Prob. 81CQCh. 8 - Prob. 82CQCh. 8 - Prob. 83CQCh. 8 - Prob. 84CQCh. 8 - Prob. 85CQCh. 8 - Prob. 86CQCh. 8 - Prob. 87CQCh. 8 - Prob. 88CQCh. 8 - Prob. 89CQCh. 8 - Prob. 90CQCh. 8 - Prob. 91CQCh. 8 - Prob. 92CQCh. 8 - Prob. 93CQCh. 8 - Prob. 94CQCh. 8 - Prob. 95CQCh. 8 - Prob. 96CQCh. 8 - Prob. 97CQCh. 8 - Prob. 98CQCh. 8 - Prob. 99CQCh. 8 - Prob. 100CQCh. 8 - Prob. 101CQCh. 8 - Prob. 102CQCh. 8 - Prob. 103CQCh. 8 - Prob. 104CQCh. 8 - Prob. 105CQCh. 8 - Prob. 1ETSQCh. 8 - Prob. 2ETSQCh. 8 - Prob. 3ETSQCh. 8 - Prob. 4ETSQCh. 8 - Prob. 5ETSQCh. 8 - Prob. 6ETSQCh. 8 - Prob. 7ETSQCh. 8 - Prob. 8ETSQCh. 8 - Prob. 9ETSQCh. 8 - Prob. 10ETSQCh. 8 - Prob. 11ETSQCh. 8 - Prob. 12ETSQCh. 8 - Prob. 13ETSQCh. 8 - Prob. 14ETSQCh. 8 - Prob. 15ETSQCh. 8 - Prob. 16ETSQCh. 8 - Prob. 17ETSQCh. 8 - Prob. 18ETSQCh. 8 - Prob. 19ETSQCh. 8 - Prob. 20ETSQCh. 8 - Prob. 21ETSQCh. 8 - Prob. 8.1PCh. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Prob. 8.4PCh. 8 - The frame of a space shuttle type vehicle must...
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- For the frame and loading shown, determine the reactions at A and C. 24 Last 2 student ID+50 lbs 24 A 3 in. B A=Last 2 student ID+10 Inch B=Last 2 student ID+40 Inch A B Darrow_forwardThe figures below shows the framing plan and section of a reinforced concrete floor system. Floor beams are shown as dotted lines. The weight of the ceiling and floor finishing is 6 psf, that of the mechanical and electrical systems is 7 psf, and the weight of the partitions is 180 psf. The floor live load is 105 psf. The 7 in. thick slab exterior bay (S-1) is reinforced with #5 rebars @ 10 in. o.c. as the main positive reinforcement at the mid span, and #4 @ 109 in. for the shrinkage and temperature reinforcement. The panel is simply supported on the exterior edge and monolithic with the beam at the interior edge. Check the adequacy of the slab. Use the ACI moment coefficients. fc’ = 6,000 psi and fy = 60,000 psi. The slab is in an interior location. Hint: • Estimate total dead load. Find factored maximum positive bending moment in the end span. • Find design positive moment capacity. • Compare and determine adequacy, including safety and economy. C Darrow_forwardFor an reinforced concrete two-way slab shown in figure under the load (P). (the slab continuous over all edges - all sides are fixed), Determine (By using yield line theory): A- Draw the Yield line Pattern B- Determine the moment m C- Find The required flexural steel to resist the loads causing the slab to collapse if P = 200 KN, f=28 MPa, fy = 420 MPa d = 120 mm. Use 10 mm bars. Draw the yield line and (Qmin = 0.002) 2m solve PO 6 m 3 m -8 marrow_forward
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