Answered: Explain briefly how the pressure…

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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A plate 0.05 mm distant from a fixed plate moves at 1.2 m/sec and requires a shear stress of 2.2 N/m² to maintain this velocity. Find the viscosity of the fluid between the plates.
9. Following results are obtained from laboratory consolidation testing: Effective vertical pressure Void ratio 'e' o' (kPa) Remark 23.94 1.03 Loading 47.88 1.02 95.76 0.98 191.52 0.91 383.04 0.79 766.08 0.71 1532.16 0.62 766.08 0.635 Unloading 383.04 0.655 191.52 0.67 Calculate the following 1) Pre-consolidation pressure. 2) Compression index and the swell index. 3) Void ratio at a pressure of 1150 kPa
For a hollow shaft of external and internal diametes 10 cm and 5 cm respectively, the torsional sectional modulus will be approximately -
Styles Editin A production casing was planned to run in the production hole of a well with casing shoe at 15,000 ft. When casing was run empty to the mid depth, collapse safety factor was calculated to be 1.9. When the casing was at the bottom and full of a certain mud, safety factor of the collapse was calculated to be 2.75. If the mud weight of the fluid in the annulus was 14.0 ppg, determine the casing collapse rating and mud weight of the fluid inside the casing.
Last Two Digit of Roll = 15
Determine the lateral deflections at failure of a 3 m long aluminum column of 70 mm external diameter and 3 mm wall thickness for various boundary conditions. Assume a yield stress of 290 MPa and Young's modulus of 72 GPa.
please box the final answer
Consolidated Undrained Test....
A new underground Lead-Zinc-Silver mine is planned to start at a depth of 1200 m below the surface level with an annual ore production of 2 million tons. After performing insitu testing, it was found that the proposed mine site is having very high horizontal stresses compared to the vertical stresses. Based on the given situation, what stability and ground control challenges will be there in your opinion and how you will manage them in a most effective manner without compromising with the safety and stability
a. The following are the results of a consolidation test. Pressure o' (kN/m²) 480.. e 1.21 1.195 1.15 1.06 0.98 0.925 25 50 100 200 400 500 1. Plot the e-log o' curve. (use a French curve to construct) 2. Using Casagrande's graphical method, determine the preconsolidation pressure. 3. Calculate the compression index, Cc, from the laboratory e-log o' curve.
(b) Nabil had attended a short seminar on the application of mat foundation on the peat soil. Due to lack of knowledge in geotechnics, he could not understand what is the effective stress mentioned by the keynote speaker. As a friend, could you help Nabil by explaining to him the relationship between effective stress, total stress and pore pressure?
Q4. Consolidation is a term used to describe the volume reduction of: (a) Saturated clay (b) Dry clay (e) Saturated sand (d) Fissured rock

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Explain briefly how the pressure created by wheel loads is transmitted through the ballast. What factors of the ballast influence the intensity of the pressure on the formation?