EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 9780100543409
Author: MOAVENI
Publisher: YUZU
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Chapter 8.2, Problem 2BYG
To determine
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The following table gives the variation of the field standard penetration number (№60) in a sand deposit:
Depth (m) N60
1.5
6
3.0
14
4.5
14
6.0
19
17
7.5
9.0
23
The groundwater table is located at a depth of 12 m. The dry unit weight of sand from 0 to a depth of 12 m is 17.6 kN/m³. Assume the mean grain size (D 50) of the sand deposit to be about 0.8 mm. Estimate the
variation of the relative density with depth for sand. Use the equation
N60 (0.23 +0.06/D50) 1.7
1
Dr (%)
=
9
σ'o/Pa
(Enter your answers to three significant figures.)
Depth (m)
N60
Dr (%)
1.5
6
3.0
14
4.5
14
6.0
19
7.5
17
9.0
23
0.5
(100)
Chapter 8 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
Ch. 8.2 - Prob. 1BYGCh. 8.2 - Prob. 2BYGCh. 8.2 - Prob. 3BYGCh. 8.2 - Prob. 4BYGCh. 8.2 - Prob. BYGVCh. 8.4 - Prob. 1BYGCh. 8.4 - Prob. 2BYGCh. 8.4 - Prob. 3BYGCh. 8.4 - Prob. BYGVCh. 8.5 - Prob. 1BYG
Ch. 8.5 - Prob. 2BYGCh. 8.5 - Prob. 3BYGCh. 8.5 - Prob. 4BYGCh. 8.5 - Prob. BYGVCh. 8 - Prob. 1PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28PCh. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - Prob. 33PCh. 8 - Prob. 34PCh. 8 - Prob. 35PCh. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - Prob. 39PCh. 8 - Prob. 40PCh. 8 - Prob. 41PCh. 8 - Prob. 42PCh. 8 - Prob. 43PCh. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Prob. 48PCh. 8 - Prob. 49PCh. 8 - Prob. 50P
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- Following is the variation of the field standard penetration number (№60) in a sand deposit: Depth (m) Neo N60 1.5 6 3 8 4.5 9 6 8 7.5 9 13 14 The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 19 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 20.2 kN/m³. Estimate an average peak soil friction angle. Use the equation CN - [ 1 (o'o/Pa). 0.5 (Enter your answer to three significant figures.) $' =arrow_forwardThe beam shown in the figure below is typical for a floor system in an existing building.It needs to carry a uniform live load of 260 lb/ft and a uniform dead weight of 400 lb/ft,including its own weight. The owner wants to add a partition weighing 7 kip (live load) asshown. Assuming the added partition as live load, is the beam section adequate to safelycarry the extra live load? a. Determine the design moment capacity .b. Determine the factored applied bending moment. c. Is the beam safe and adequate for bending? Please explain your response.arrow_forwardFollowing is the variation of the field standard penetration number (№60) in a sand deposit: Depth (m) N60 1.5 6 3 8 4.5 9 6 8 7.5 9 13 14 The groundwater table is located at a depth of 6 m. Given: the dry unit weight of sand from 0 to a depth of 6 m is 10 kN/m³, and the saturated unit weight of sand for depth 6 to 12 m is 12.2 kN/m³. Use the relationship given in the equation C'N = 1 σo/Pa 0.5 to calculate the corrected penetration numbers. (Round your answers to the nearest whole number.) Depth (m) N60 (N1) 60 1.5 6 4.5 3 8 9 6 8 7.5 13 9 14arrow_forward
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