b) An electric pole is held vertically by three equally spaced wires tied at the top of the pole. Each wire is inclined at 45⁰ with a tension of 1 kN, Calculate the vertical stress increase at 1 m depth and the elastic settlement below the axis if E is given as 40 MPa and μ = 0.45. Use Boussinesq’s point load theory

b) An electric pole is held vertically by three equally spaced wires tied at the top of the pole. Each wire is inclined at 45⁰ with a tension of 1 kN, Calculate the vertical stress increase at 1 m depth and the elastic settlement below the axis if E is given as 40 MPa and μ = 0.45. Use Boussinesq’s point load theory

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter6: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 6.4P: Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine...

See similar textbooks

Similar questions

Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine the increase in vertical stress at point A located z = 15 ft below the surface. Given: x = 27 ft. Figure P6.4
Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine the increase in vertical stress at point A located z = 15 ft below the surface. Given: x = 27 ft.
A propped cantilever beam of length ? = 1 m, with an inner hinge at point B, carries a uniformly distributed load ?, as shown in Figure Q1 (a). The beam is made from a circular hollow section with an inner radius of ?? = 5 cm and a thickness of ? = 2 cm (refer to Figure Q1 (b)). The maximum allowable longitudinal stress of the beam is 150 N/mm2.
Referring to Figure Q2 (a), the vertical stress increase at point A is 25 kN/m2due to application of line loads q1 and q2. Determine the magnitude of q2.
An electric power transmission pole is 12 m above ground level and embedded 2 m into the ground. The butt diameter is 450 mm and the tip diameter (the top of the pole) is 320 mm. The weight of the pole, cross arms, and wires is 33 kN. Assuming the pole transmits the load as a point load, find the change in vertical stress in kPa at 2 m depth. a. 17.8 b.393.9 c.63.0 d.3.9
if the beam is subjected to a bending moment of m = 10 kN•m, determine the bending stress in the beam at points a and b, and sketch the results on a differential element at each of these points.
Find the expressions to calculate the maximum normal and shear stresses for a circular profile: d (diameter)= 0.30 m
Figure below shows a 100 kN point load and 40 kN/m line load are applied on the ground surface. Calculate the vertical stress at the depth z=5 m directly underneath of Points A and B.
A moment is exerted on the profile given in the figure to make an angle B with the vertical. Calculate the stress at point B. Given a = 90 mm, b = 60 mm, c = 110 mm, d = 130 mm, Beta = 80 degrees, M = 13 kNm,
Point loads of magnitude 100, 200, and 400 kN act at B, C, and D, respectively (Figure P6.2). Determine the increase in vertical stress at a depth of 6 m below point A. Use Boussinesq’s equation.
The soil profile at a site is shown Figure P16.3. Find the total horizontal normal stresses at A and B, assuming at-rest conditions.
From the given figure below and its properties, calculate the stress at the top where at the fixed end. (MPa) Properties: Beam width = 274 mmBeam height = 419 mmWLL = 8.86 kN/mWDL = 12.6 kN/mPu = 7 kNSpan of the beam = 8 mPrestressing force = 399 kNeccentricity = 127 mm