Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 14, Problem 14.6P
To determine
Find the passive force
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Question 2
A tubular post of outer diameter d, is guyed by two cables fitted with turnbuckles (see figure). The cables are
tightened by rotating the turnbuckles, thus producing tension in the cables and compression in the post. Both
cables are tightened to a tensile force of 110 kN. Also, the angle between the cables and the ground is 60°, and
the allowable compressive stress in the post is oc =35 MPa. If the wall thickness of the post is 15 mm, what is
the minimum permissible value of the outer diameter d2?
Cable
Turnbuckle
Post
d2
60°
60°
A 150 mm diameter rivet resists a shear force of V =8 kN. Find the average
shear stress in the rivet.
%3D
150 mm
(A) 230 kPa
(B) 370 kPa
(C) 430 kPa
(D) 450 kPa
Chapter 14 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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- arjumo Но |ha PA r Figure 1 calculaisarrow_forward- For the flexible wall shown in Figure 2, determine the resultant lateral force on the wall (magnitude and location) using Rankine's method Eigure 2. q = 120 psf G.S. y= 115 pcf 4 ft = 30° W.T. 5ft - 90arrow_forwardSITUATION. Based on the figure shown a hallow steel pipe with external diameter Do of 200mm has a length of 3m. Use E = 200 GPa. Zoom image 179.3 165.2 172.5 Pipe External Diameter, Do Thickness, t If P = 400 KN, find the maximum internal diameter D; without exceeding a stress of 65 MPa in the pipe in millimeter. 186.8 Base Plate Diameter, D Thickness, t Concrete OFFarrow_forward
- It is requested to dimension the bending wall (similar to figure 2) in order to resist tipping and slipping, considering parameter values geometric and geotechnical according to the table. v (kN/m³) с (КPа) H (m) q (kN/m?) 18 29 20 Note: use data provided in figure 02 for pre-dimensioning. bo be: 20 cm (mín) bi: (8% a 10%) H B: (40% a 70%) H D: 20 cm (mín) ou (8% a 10%) H P: (10% a 12%) H E: 30 cm (mín) b1 Figure 02: typical section suggested for pre-sizing of bending retaining wall (minimum values)arrow_forwardQ. No 7: The cross section of the beam has a uniform wall thickness. Analyze using concepts of shear stress, shear flow and shear centre in thin walled open section beams to determine the location of the shear center relative to point B. 6 in. -6 in. 3 in. 0.1 in. 3 in. NA B. 3 in. 3 in.arrow_forwardGive me right solutionarrow_forward
- Which of the two walls in Figure below gives the larger horizontal force? (Show calculations.)arrow_forwardFor the fixed wall thickness profile section in the figure; a) Find the center of shear (e). b) If a shear force of Ty = 40 kN is applied to the slip center Obtain the shear stress diagram that will occur. (t = 10 mm, a = 100 mm)arrow_forwardRefer to Figure 12.13a. Given H = 4 m, α = 0, β = 85º, γ = 17 kN/m3, c' = 0, Φ' = 36º, ẟ'/Φ' = 0.5, and q = 30 kN/m2. Determine the Coulomb’s active force per unit length of the wall.arrow_forward
- Considering the effects of the construction process, calculate the displacements verticals for the confined masonry wall shown. Suppose: Columns: 0.15 x 0.15 m Ec = 2,000,000 ton/m2 Masonry: 0.15 x 2.00 m cloths Ea= 500,000 ton/m2 Pi = permanent charges per level (ton) RESULTS 20m 20 x 81 = 0.0003161 82 = 0.0004023 83 = 0.0002586 2.5 P3 = 15 ton P2 = 20 ton 2.5 m P1 = 20 ton 2.5arrow_forwardO. No 7: The cross section of the beam has a uniform wall thickness. Analyze using concepts of shear stress, shear flow and shear centre in thin walled open section beams to determine the location of the shear center relative to point B. 6 in. 6 in. 3 in. 01 in. 3 in NA 3in. Figure Q. No. 7arrow_forwardPLEASE PROVIDE COMPLETE SOLUTION THANKSarrow_forward
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