Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 3750 mm² and an allowable normal stress of 115 MPa. Bar (2) has a cross-sectional area of A₂ = 3150 mm² and an allowable normal stress of 130 MPa. Assume x₁ = 1.9 m, x₂ = 3.3 m, y₁ = 1.4 m, and y2 = 2.9 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress. Y₁ Answer: Pmax e = i B P (2) kN

Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 3750 mm² and an allowable normal stress of 115 MPa. Bar (2) has a cross-sectional area of A₂ = 3150 mm² and an allowable normal stress of 130 MPa. Assume x₁ = 1.9 m, x₂ = 3.3 m, y₁ = 1.4 m, and y2 = 2.9 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress. Y₁ Answer: Pmax e = i B P (2) kN

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.

Question

Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 3750 mm² and an allowable
normal stress of 115 MPa. Bar (2) has a cross-sectional area of A₂ = 3150 mm² and an allowable normal stress
of 130 MPa. Assume x₁ = 1.9 m, x₂ = 3.3 m, y₁ = 1.4 m, and y2 = 2.9 m. Determine the maximum load Pmax that
can be supported by the structure without exceeding either allowable normal stress.
Y₁
Answer: Pmax
e
= i
B
P
(2)
KN

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