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2.4 A 10,000-lb wheel load exerting contact pressure of 80 psi is applied on an elastic two-layer system, as shown in Figure P2.4. Layer 1 has elastic modulus 200,000 psi and thickness 8 in. Layer 2 has elastic modulus 10,000 psi. Both layers are incompressible, with Poisson ratio 0.5.Assuming that the loaded area is a single circle, determine the maximum surface deflec- tion, interface deflection, and interface stress. [Answer:0.025 in., 0.024 in, 11 psi] 10,000 lb 80 psi 0 E1-200,000 psi V10.5 8 in. E2-10,000 psi 2-0.5 FIGURE P2.4
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![2.4 A 10,000-lb wheel load exerting contact pressure of 80 psi is applied on an elastic two-layer system, as shown in Figure P2.4. Layer 1 has elastic modulus 200,000 psi and thickness 8 in. Layer 2 has elastic modulus 10,000 psi. Both layers are incompressible, with Poisson ratio 0.5.Assuming that the loaded area is a single circle, determine the maximum surface deflec- tion, interface deflection, and interface stress. [Answer:0.025 in., 0.024 in, 11 psi] 10,000 lb 80 psi 0 E1-200,000 psi V10.5 8 in. E2-10,000 psi 2-0.5 FIGURE P2.4](https://numengineering.com/wp-content/uploads/2025/04/media_cd9_cd950811-6f70-4180-a9f3-2d22a790311c_phprToYsJ-png.avif)
2.4 A 10,000-lb wheel load exerting contact pressure of 80 psi is applied on an elastic two-layer system, as shown in Figure P2.4. Layer 1 has elastic modulus 200,000 psi and thickness 8 in. Layer 2 has elastic modulus 10,000 psi. Both layers are incompressible, with Poisson ratio 0.5.Assuming that the loaded area is a single circle, determine the maximum surface deflec- tion, interface deflection, and interface stress. [Answer:0.025 in., 0.024 in, 11 psi] 10,000 lb 80 psi 0 E1-200,000 psi V10.5 8 in. E2-10,000 psi 2-0.5 FIGURE P2.4
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