MATERIALS SCIENCE AND ENGINEERING -PACK
10th Edition
ISBN: 9781119721857
Author: Callister
Publisher: WILEY
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Chapter 8, Problem 3DP
To determine
The minimum value of plane strain fracture toughness.
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A steel pile (H-section; HP 310 x 125; and so A, 15.9 x 10-3 m² ) is driven into a layer of sandstone. The length of the pile is 25 m. Following are the properties of the sandstone: unconfined compression
strength = qu(lab) = 78 MN/m² and angle of friction = 36°. Using a factor of safety of 3, estimate the allowable point load that can be carried by the pile. Use [qu(d Qu(lab).
qu(design)
b)/5].
(Enter your answer to three significant figures.)
Qp(all)
kN
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Си
A concrete pile 20 m long having a cross section of 0.25 m x 0.25 m is fully embedded in a saturated clay layer. For the clay, given: Ysat = 18 kN/m³, = 0, and c₁ = 80 kN/m². Determine the allowable load that
the pile can carry (FS-3). Use the A method to estimate the skin resistance. For L = 20 m, A = 0.173.
(Enter your answer to three significant figures.)
Qall
kN
Chapter 8 Solutions
MATERIALS SCIENCE AND ENGINEERING -PACK
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