Problem: Consider an 8.5-m high concrete dam shown which is 2.4 m at the top base and 5.1 m at the bottom base. Water reaches 6.4 m at the upstream section of the dam. Use specific weight of concrete equal to 2.4%. Find the following: 1. Factor of safety against sliding if coefficient of friction is 0.45 2. Factor of safety against overturning 3. Location of Ry 4. Soil pressure intensity at the heel 5. If there is an uplift pressure which is full at heel and zero at the toe, recompute the location of Ry 6. Soil pressure intensity at the toe considering uplift force described in item No. 5

Problem: Consider an 8.5-m high concrete dam shown which is 2.4 m at the top base and 5.1 m at the bottom base. Water reaches 6.4 m at the upstream section of the dam. Use specific weight of concrete equal to 2.4%. Find the following: 1. Factor of safety against sliding if coefficient of friction is 0.45 2. Factor of safety against overturning 3. Location of Ry 4. Soil pressure intensity at the heel 5. If there is an uplift pressure which is full at heel and zero at the toe, recompute the location of Ry 6. Soil pressure intensity at the toe considering uplift force described in item No. 5

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Please give proper solution other wise skip I want to learn. A Masonry dam 8 m high, 1.5 m wide at top and 5 m wide at the base retains water to a depth of 7.2 m, the water face of the dam being vertical. Find maximum and minimum stress intensities at the base. The weight of water is 9.81 kN/m³ and weight of masonry is 22 kN/m².
A trapezoidal concrete dam is D at 28 m high. The upstream face is vertical and the water is flush with the top, which is E is 2.9m wide. The coefficient of friction between the base of the dam and the foundation is F at 0.64. If it is required to have a factor of safety of 3 for overturning and knowing that specific gravity of concrete is 2.4, determine the following: a. Required width of the base b. Factor of Safety against sliding c. Pressure at the heel and toe
Solution for this please,Final answer: a. B = 13.766 mb. qt = -438.87 kPa; qh = 0 kPa A gravity dam of trapezoidal cross section with one face vertical and horizontal base is 22m high and has a thickness of 4m at the top. Water upstream stands 2m below the crest of the dam. The specific gravity of masonry is 2.4. A. Considering uplift pressure to vary uniformly from full hydrostatic pressure at the heel to zero at the toe: 1.Find the base width B of the dam so that the resultant force will act the extremity of the middle third near the toe.2.Compute the maximum and minimum compressive stresses acting against the base of the dam.
On the basis of arch-rib analysis, design an arch dam 137m high to span 226m wide U- shaped canyon. Use 3.5 MPa as allowable compressive stress in concrete? Assume free board is 3m
A concrete dam is triangular in cross section and 30m high from the horizontal base. If water reaches adepth of 27 m on the vertical face, what is theminimum length of the base of the dam such thatthe resultant will intersect the base within themiddle third? What minimum coefficient of frictionis required to prevent sliding? Determine thepressure distribution along the base. Unit weight of concrete and masonry is 23.54 kN/m3 NOTE: CLEAR HANDWRITTEN SOLUTION
For linear stress variation over the base of the dam of the figure, find where the resultant crosses the base and compute the maximum and minimum pressure intensity at the base. Neglect hydrostatic uplift. Ans.Pmax=555 kPa; Pmin=129 kPa Note: unit weight of concrete is 2.5 times unit weight of water. 6m 19m 1 Y'=2.5Y 1 340 ¹3 mi 4 m -11 m
varies uniformly from full Hyu between dam and foundation soil is 0.40. Which of the following most nearly gives the factor of safety against slidling? 12 m A. 1.22 1 m 5m A. 2.56 4m 9m A. 154.52 kPa 4m 2 m 8m 3m B. 1.56 7.) A concrete dam retaining water is shown in the figure. The specific weight of concrete is 24 kN/m3. Assume hydrostatic uplift varies uniformly from full hydrostatic pressure at the heel of the dam to zero at the toe and that the coefficient of friction between dam and foundation soil is 0.40. Determine the factor of safety against overturning. C. 2.31 B. 315.61 kPa C. 2.12 B. 1.89 8.) A concrete dam retaining water is shown in the figure. The specific weight of concrete is 24 kN/m3. Assume hydrostatic uplift varies uniformly from full hydrostatic pressure at the heel of the dam to zero at the toe and that the coefficient of friction between dam and foundation soil is 0.40. Determine the maximum pressure on the foundation. D. 1.89 C. 281.63 kPa D. 3.14 D. 241.89 kPa
A. A concrete dam retaining water is show in the figure. If the specific weight of concrete is 23.5 KN/m^3. What is the total hydrostatic force? Find the resultant force. Find the factor of the safety against sliding if the coefficient of friction is 0.50. What is the factor of safety against overturning? Find the location of the resultant. Find the maximum intensity pressure. Determine the minimum intensity pressure.
A dam 4m on top 18m at the bottom and 25m high has water 20m deep acting on its vertical sides. Determine the foundation pressure at the bottom of the dam.Specific gravity of concrete is 2.4.
Design and sketch with using excel an arch for an arch dam. This particular arch is to be at elevation 1148.3 ft, and the width of the canyon wall at the elevation is 2132.5 ft. The maximum pool level for the reservoir r is to be 1312.3ft. Assume the allowable compressive stress in the concrete is 1400 N/cm2.
A dam is to be constructed to supply irrigation to farms. As a low dam its height is limited to 3m and the freeboard is set to 0.5m. Design the trapezoidal dam to be as safe under all conditions. Coefficient of Friction is 0.5 and the soil bearing capacity is 125kPa. Show all the needed calculations that will lead you to conclude that your design is safe
A concrete dam shown impounds water with a depth of 6 m. If the unit weight of concrete is 23.5 kN/cu.m and the +2 m H coefficient of friction between the base of the dam and the soil is 0.48, determine the following: Water a. Factor of safety against sliding b. Factor of safety against overturning Maximum foundation pressure 7 m 6m C. E 4 m