Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 10, Problem 10.24QP
A wood specimen was prepared with actual dimensions of 1 in. × 1 in. × 6 in. and grain parallel to its length. Displacement was measured over a 4 in. gauge length. The specimen was subjected to compression parallel to the grain to failure. The load-deformation results are as shown in Table P10.24.
TABLE P10.24
| Load (lb) | Displacement (in.) |
| 0 | 0 |
| 7 | 0.012 |
| 10 | 0.068 |
| 87 | 0.164 |
| 530 | 0.180 |
| 1705 | 0.208 |
| 2864 | 0.236 |
| 3790 | 0.268 |
| 4606 | 0.300 |
| 5338 | 0.324 |
| 5116 | 0.360 |
| 4468 | 0.384 |
| 4331 | 0.413 |
- a. Using a computer spreadsheet program, plot the stress-strain relationship.
- b. Calculate the modulus of elasticity.
- c. What is the failure stress?
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A pine wood specimen was prepared with actual dimensions of 50 mm ×
50 mm x 250 mm and grain parallel to its length. The deformation was meas-
ured over a gauge length of 200 mm. The specimen was subjected to compres-
sion parallel to the grain to failure. The load-deformation results are as shown
in Table P10.25.
TABLE P10.25
Load (Kn)
Deformation (mm)
8.9
0.457
17.8
0.597
26.7
0.724
35.6
0.838
44.5
0.965
53.4
1.118
62.3
1.270
71.2
1.422
80.1
1.588
89.0
1.765
97.9
1.956
106.8
2.159
111.3
2.311
a. Using a computer spreadsheet program, plot the stress-strain
relationship.
b. Calculate the modulus of elasticity.
c. What is the failure stress?
What is the maximum diameter of aggregate considering the
clear spacing of the reinforcements in mm?
160mm
slab
Slab=10mm
130mm
beam
700mm
17.25cm
500mm 4
Obeam=25mm
D =?
A wood specimen was prepared with actual dimensions of 25 mm * 25 mm *
150 mm and grain parallel to its length. Displacement was measured over a
100 mm gauge length. The specimen was subjected to compression parallel to
the grain to failure. The load-deformation results are as shown in Table P10.24.
TABLE P10.23
Deflection
Load (N)
(10 3 mm)
445
709
890
1412
1335
2113
1779
2825
2224
3556
2669
4234
3114
4935
3559
5644
4003
6353
4448
6995
4893
7996
5338
9131
5783
10287
6228
11902 (failure)
TABLE P10.2 4
Load (N)
Displacement (mm)
31
0.30
45
1.73
387
4.17
2358
4.57
7584
5.28
12740
5.99
16859
6.81
20489
7.62
23745
8.23
22757
9.14
19875
9.75
19265
10.5
a. Using a computer spreadsheet program, plot the stress-strain relationship.
b. Calculate the modulus of elasticity.
c. What is the failure stress?
Chapter 10 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 10 - What are the two main classes of wood? What is the...Ch. 10 - Prob. 10.2QPCh. 10 - Prob. 10.3QPCh. 10 - Discuss the anisotropic nature of wood. How does...Ch. 10 - Prob. 10.5QPCh. 10 - Prob. 10.6QPCh. 10 - Prob. 10.7QPCh. 10 - Prob. 10.8QPCh. 10 - Prob. 10.9QPCh. 10 - Prob. 10.10QP
Ch. 10 - Prob. 10.11QPCh. 10 - Prob. 10.12QPCh. 10 - Prob. 10.13QPCh. 10 - Prob. 10.14QPCh. 10 - Prob. 10.15QPCh. 10 - Prob. 10.16QPCh. 10 - Prob. 10.17QPCh. 10 - Prob. 10.18QPCh. 10 - Prob. 10.19QPCh. 10 - Prob. 10.20QPCh. 10 - Prob. 10.21QPCh. 10 - Prob. 10.22QPCh. 10 - Prob. 10.23QPCh. 10 - A wood specimen was prepared with actual...Ch. 10 - A pine wood specimen was prepared with actual...Ch. 10 - Prob. 10.26QPCh. 10 - Prob. 10.27QPCh. 10 - Prob. 10.28QPCh. 10 - Prob. 10.29QPCh. 10 - Prob. 10.30QPCh. 10 - Prob. 10.31QPCh. 10 - Prob. 10.32QPCh. 10 - Prob. 10.33QP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- A wood specimen was prepared with actual dimensions of 25 mm * 25 mm *150 mm and grain parallel to its length. Displacement was measured over a100 mm gauge length. The specimen was subjected to compression parallel to the grain to failure. The load–deformation results are as shown in Table P10.24. a. Using a computer spreadsheet program, plot the stress–strain relationship.b. Calculate the modulus of elasticity.c. What is the failure stress?arrow_forwardA pine wood specimen was prepared with actual dimensions of 50 mmx50 mm x 250 mm and grain parallel to its length. The deformation was measured over a gauge length of 200 mm. The specimen was subjected to compression parallel to the grain failure. The load- deformation results are shown in table below: Load (kN) Deformation (mm) 8.9 0.457 17.8 0.597 26.7 0.724 34.5 0.838 43 0.965 52.9 1.118 62.01 1.27 71.03 1.422 80.1 1.588 89 1.765 99.6 1.956 108 2.159 111.3 2.311 112 2.456 a. Using a computer spreadsheet program, plot the stress-strain relationship. b. Calculate the modulus of elasticity. С. What is the failure stress?arrow_forwardThe grains of wood in the board make an angle of 20° with the horizontal as shown. The board is subjected to an axial load of P = 250 N . (Figure 1) Part A Determine the normal stress that acts perpendicular to the grains. Express your answer to three significant figures and include the appropriate units. µA Value Units Figure 1 of 1 Submit Request Answer Part B 300 mm Determine the shear stress that acts parallel to the grains. 60 mm Express your answer to three significant figures and include the appropriate units. 20° 25 mm HẢ ? Value Units P Pearsonarrow_forward
- 幻令l docs.google.com a 10/10 FIND STRESS IN STEEL MATERIALS IN COMPOSITE COLUMIN SHOWN BELOW. IF E st3 200 kN/MM2, Ealu.=70 kN/MM2 100 kN RALU.30 MM Aluminum Steel 31 MPa 69 MPa 55 MPa 19 MPa no one -> 1m RST = 20 MMarrow_forwardThe grains of wood in the board make an angle of 20° with the horizontal as shown. The board is subjected to an axial load of P = 300 N. (Figure 1) Part A Determine the normal stress that acts perpendicular to the grains. Express your answer to three significant figures and include the appropriate units. µA Value Units Submit Request Answer Figure < 1 of 1 Part B Determine the shear stress that acts parallel to the grains. Express your answer to three significant figures and include the appropriate units. HA -300 mm 160 mm Ta'y = Value Units 20° 25 mm1 Submit Request Answerarrow_forwardThe composite material is fastened to their junction at rigid plate B and attached to rigid fixed supports at both ends subjected to two loads of 12k positioned symmetrically at B. Determine the stresses and their corresponding behavior for each material. Use 2 decimal places in every solved value. 亚 А 12k 12k 1 ft Steel Est = 29 x 10° psi Ast = 1.03 in? B Aluminum 2 ft Eal = 10 × 106 psi Aal = 8.92 in² Carrow_forward
- A wood specimen was subjected to bending until failure by applying a load inthe middle of its span. The specimen has a cross section of 25 mm * 25 mm(actual dimensions) and a span of 350 mm between the simple supports. Theload and the deflection in the middle of the span were recorded as shown inTable P10.22.a. Using a computer spreadsheet program, plot the load–deflectionrelationship.b. Plot the proportional limit on the graph.c. Calculate the modulus of rupture (flexure strength).arrow_forwardThe composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P 52 kips is applied at 65° F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 106/° F for steel and 12.8 x 106°F for aluminum Given: L1 = 17in; L2 = 13in %3D %3D Your final answer should contain two decimal places Aluminum A = 2 in? E = 10 x 10 psi Steel A = 3 in? E = 29 x 10 psi L1 - L2arrow_forwardWe would like to increase the yield strength of the bar through cold work. (a) Using the Copper curve, how much cold work is needed to get a yield strength of 300MPa Yield strength (MPa) 800 700 600 500 400 300 200 100 0 10 20 1040 Steel Brass 30 40 50 Percent cold work Copper 60 70 (b) Based on the percent cold work you calculated, what should the final cross-sectional area of the bar be?arrow_forward
- docs.google.com a 10/10 FIND STRESS IN STEEL MATERIALS IN COMPOSITE COLUMIN SHOWN BELOW. IF E st3 200 kN/MM2, Ealu.=70 kN/MM2 100 kN RALU=30 MM Aluminum Steel 31 MPa 69 MPa 55 MPa 19 MPa no one •.. -> 1m RST = 20 MMarrow_forwardA wood beam reinforced by an aluminum channel section is shown in the figure. 150 mm 232 mm 38 mm 6.5 mm 163 mm- The beam has a cross section of dimensions 150 mm x 232 mm, and the channel has a uniform thickness of 6.5 mm. If the allowable stresses in the wood and aluminum are 8 MPa and 46 MPa, respectively, and if their moduli of elasticity are in the ratio 1 to 6, what is the maximum allowable bending moment for the beam? Enter the magnitude in kN • m. (Assume that the component parts of the beam are securely bonded by adhesives or connected by fasteners. Also, be sure to use the transformed-section method in the solution.) kN marrow_forwardQ: A composite section shown in Figure consisted of a rectangular and triangular sections with a semicirele hole as shown. Locate the centroid (x, y) of this section using the below table. 90 mm 10 mm 20 mm 10 mm 60 mmarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Structural Analysis (10th Edition)Civil EngineeringISBN:9780134610672Author:Russell C. HibbelerPublisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...Civil EngineeringISBN:9781337705028Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Fundamentals of Structural AnalysisCivil EngineeringISBN:9780073398006Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel LanningPublisher:McGraw-Hill Education
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:9780134610672
Author:Russell C. Hibbeler
Publisher:PEARSON
Principles of Foundation Engineering (MindTap Cou...
Civil Engineering
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:9780073398006
Author:Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning
Choosing Architectural Materials; Author: 30X40 Design Workshop;https://www.youtube.com/watch?v=dcbgDFpfScY;License: Standard Youtube License