I need detailed explanation solving this exercise from Foundation Engineering, step by step please. 2. A braced cut in sand is shown in the following figure. The height and width of thecut are 10 m and 10 m, respectively.(1) Draw the earth pressure envelope using Peck's apparent lateral pressure diagrams.(2) Determine the strut load at levels A, B, C. the spacing between struts is 3 m.(3) Determine the maximum moment of the soldier beam.(4) Determine the maximum moment of the wale at level B.10 m1.5 mA2.5 mY₁ = 16 kN/m³1'=28°3.5 m3 m3 m4 m2.5 mBCY2 = 18 kN/m³2' = 30°Y3 = 20 kN/m³03' = 32°4 mFig. 2

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Answered: 2. A braced cut in sand is shown in the…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.11P

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Determine the factor of safety against bottom heave for the braced cut described in Problem 15.18. Use Eqs. (15.66) and (15.70). For Eq. (15.70), assume the length of the cut, L = 18 m. 15.18 Refer to Figure 15.51 in which = 17.5 kN/m3, c = 60 kN/m2, and center-to-center spacing of struts is 5 m. Draw the earth pressure envelope and determine the strut loads at levels A, B, and C. FIG. 15.51
Two identical steel [E = 200 GPa] pipes, each with a cross-sectional area of 2800 mm2, are attached to unyielding supports at the top and bottom, as shown. At flange B, a concentrated downward load of P = 240 kN is applied. Determine the normal stress in the upper pipe (1).
225 P= 8 P= 10 9,- 18 H3 2 (m) 1 (m) . 4.50 (m) 1.50 (m)
a. Determine the location of the shear center for the following section. b. Determine the shear stress at point A, if a 20kN (downwards) shear load is applied at the shear center. Given: h1= 25mm h = 100mm b = 50mm Thickness = 4mm
A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown. Assume a = 0.6 m, PA = 2.5 kN, PB = 7.0 kN, PC = 4.0 kN, d = 100 mm, bf = 110 mm, tf = 10 mm, tw = 7 mm. Determine(a) the maximum vertical shear stress.(b) the maximum compression bending stress.(c) the maximum tension bending stress. See the coordinate system for the beam in the problem figure with the origin of the x axis at the fixed support. Consider four points along the beam’s axis:Point A at x = 1.8 mPoint B at x = 1.2 mPoint C at x = 0.6 mPoint D at x = 0Break the beam into three segments: AB, BC, and CD. Enter the shear force in each segment with its correct sign based on the coordinate system in the problem figure and the sign convention for shear forces in Chapter 7.Answers: VAB = kN VBC = kN VCD = kN Enter the maximum shear force magnitude in the beam. Since this is a magnitude, enter a positive value.Answer: Vmax = kN Enter the…
A cantilever beam supports the loads shown. The cross-sectional dimensions of the shape are also shown. Assume a = 0.4 m, PA = 2.0 kN, PB = 6.0 kN, PC = 3.0 kN, d = 85 mm, bf = 105 mm, tf = 5 mm, tw = 9 mm. Determine(a) the maximum vertical shear stress.(b) the maximum compression bending stress.(c) the maximum tension bending stress.See the coordinate system for the beam in the problem figure with the origin of the x axis at the fixed support. Consider four points along the beam’s axis:Point A at x = 1.2 mPoint B at x = 0.8 mPoint C at x = 0.4 mPoint D at x = 0Break the beam into three segments: AB, BC, and CD. Enter the shear force in each segment with its correct sign based on the coordinate system in the problem figure and the sign convention for shear forces in Chapter 7.Answers: VAB = kN VBC = kN VCD = kN Part 2 Enter the maximum shear force magnitude in the beam. Since this is a magnitude, enter a positive value.Answer: Vmax = kN…
2. s) The sign is subjected to the uniform wind loading. Determine the stress components at points A and B on the 100-mm-diameter supporting post. Show the results on a volume element located at each of these points. 4 3 m 2 m 2m 1.5 kPa B C 1m D
Situation 1| An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets. The property of the channel is given below: Depth, D = 225 mm Flange Thickness, t; = 9mm Flange Width, B, =112.5 mm Web Thickness, t, =9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t= 100 MPa on shear, for bearing, o,=200 MPa on single shear, o, =260MPA on double shear. a. Determine the maximum shearing stress on the beam in MPa b. Determine the flexural stress, in MPa, on the fiber above 30mm above N.A at distance 1m from A. c.Determine the shearing stress, in MPa, on the fiber above 30mm above N.A at distance 1m from A.
Please answer with complete free diagrams, etc..
PROBLEM SOLVING: 1. A square steel tube below is used to sustain a compression load of 480 KN. If the steel square tube have a compressive strength of 180 MPa and a side of 100mm, determine the thickness of the tube. The rigid bar ABC is supported by a pin at A and a steel rod at B. Determine the largest vertical load P that can be applied at C if the stress in the steel rod is limited to 35 ksi and the vertical movement of end C must not exceed 0.12 in. Neglect the weights of the members. 3. The rigid bars AB and CD are supported by pins at A and D. The vertical rods are made of aluminum and bronze. Determine the vertical displacement of the point where the force P = 10 kips is applied. Neglect the weights of the members. 4. Two 1.75-in-thick rubber pads are bonded to three steel plates to form the shear mount show in the figure. Find the displacement of the middle plate when 1200-lb load is applied. Consider the deformation of rubber only. Use E = 600 psi and v= 0.45 for rubber. 5. A…
Situation 1| An overhang beam is loaded as shown below. The beam cross-section was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets. The property of the channel is given below: Depth, D = 225 mm Flange Thickness, t, = 9mm Flange Width, B; =112.5 mm Web Thickness, tw=9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t= 100 MPa on shear, for bearing, o,=200 MPa on single shear, o,-260MPA on double shear. 1. Determine the location of centroid, y, from top of the beam in mm. 2. Determine the moment of inertia, I, of the section in mm“. 3. Determine the maximum allowable moment, Mall, in kn-m, base on the beam's cross-section.
Situation 1| An overhang beam is loaded as shown below. The beam cross-section W was built by attaching two (2) channels to a 9mm thick plate using 16mm rivets. The property of the channel is given below: Depth, D = 225 mm Flange Thickness, t, = 9mm %3D Flange Width, B, =112.5 mm Web Thickness, t, =9 mm The allowable flexural stress on the beam is 180 MPa. Rivets has a capacity of t= 100 MPa on shear, for bearing, o,=200 MPa on single shear, o, =260MPa on double shear. 1. Determine the location of centroid, 9, from top of the beam in mm. 2. Determine the moment of inertia, I, of the section in mm“. 3. Determine the maximum allowable moment, M,l, in kn-m, base on the beam's cross-section. 4. Determine the location of the maximum moment on the beam in meters. 5. Determine the maximum moment, in kN-m, on the beam. 6. Determine the maximum flexural stress on the beam in MPa. 7. Determine the maximum shearing stress on the beam in MPa. 8. Determine the flexural stress, in MPa, on the fiber…

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