Q- On the surface of a thick layered clay soil deposit, a point load of 750 kN is applied at a depth of 3.5m and a radial distance of 1.2m from the point of application of load. What is the value of the vertical stress using the Boussinesq's elastic analysis?

Q: 6. A rock unit has a unit cohesion of 400 psf and an an- gle of internal friction of 35°. When the…

A:

Q: The vertical compressive stress at a point in a soil is 100 kN/m² while the horizontal compressive…

A: Vertical Stress at point - 100 kN/m2 Horizontal stress at point - 62 kN/m2 To find-

Q: A) Show the following on Mohr's stress circle: 1-The value of direct stress in the plane of the…

A: Plotted values and labelled value that is asked in question  A is shown in next step Further plane…

Q: A rectangular rosette gives the following strain readings: o = 8 x 10-4, E45 = 11 x 10-4, and E90 =…

A: Strain readings-ε0=8×10-4ε45=11×10-4ε90=-15×10-4 To find-

Q: A concentrated load of 175kips is applied to the ground surface. Required What is the vertical…

A:

Q: The stresses shown act at a point in a stressed body. Assume stress magnitudes of Sx = 18 MPa, S, =…

A:

Q: (9) Repeat question (6) but with an alternating torsional stress of 207 MPa. (Ans./ n, = 1.15, n, =…

A: calculate the Von Mises stress at the alternating range σ'a   σ'a =σ2a+3ra212  here , σa is…

Q: (a) Draw the Mohr circle that describes the 2D stress state and find the maximum shear stress that…

A:

Q: A 2 mx 5 m rectangular area carrying a uniform load of 145 kPa is applied to the ground surface.…

A: Vertical stress are defined as the force per unit area.  These types of stresses focuses on the  1.…

Q: e. The ratio of the increase

A: Given data, Concentrated load,F= 500 kN Find ratio of the increase in vertical normal stress at…

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.