For the masonry dam shown in the figure below, k =5 x 10-3 m/day. a. Determine the seepage flow per meter width of dam in liters per minute. b. Determine the uplift pressure at A and B in kPa. c. Determine the uplift force per meter of dam. Assume that the uplift pressure under the dam is trapezoidal. 1. 30 m 27 m 1 m Impervious

For the masonry dam shown in the figure below, k =5 x 10-3 m/day. a. Determine the seepage flow per meter width of dam in liters per minute. b. Determine the uplift pressure at A and B in kPa. c. Determine the uplift force per meter of dam. Assume that the uplift pressure under the dam is trapezoidal. 1. 30 m 27 m 1 m Impervious

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter13: Retaining Walls

Section: Chapter Questions

Problem 13.6P

See similar textbooks

Similar questions

Determine the pressure intensity at the heel of a trapezoidal dam having a dimension of 4 m on top, 18 m at the bottom and 24 high with water 20 m deep on its vertical side. Unit weight of the concrete is 23.9 kN/m^3. No hydrostatic uplift.
A concrete gravity dam with a trapezoidal section is holding water as shown in the figure. A distance of 15 meters from the toe, a drain is located. The drain has a pressure due to uplift of zero and increasing uniformly to full hydrostatic at the heel. Upstream face 1H:5V, while downstream face is inclined 1H:2V. Which of the ff nearly gives the maximum foundation pressure on the base of the dam in kilopascal ? Assume 23.54 kN/m3 for the unit weight of concrete. a. 3114 b. 1095 c. 4115 d. 964 e. 680
Refer to Problem 8.4. Using the flow net drawn, calculate the hydraulic uplift force at the base of the hydraulic structure per meter length ( measured along the axis of the structure).
A masonry dam has a coefficient of permeability in the vertical and horizontal directions of Kz=4m/day and Kx=5m/day, respectively. The difference in the head is 18m and the distance between the base of the dam and the downstream water surface is 18m. Assume z=35m and width of dam = 40m. a. Determine the seepage flow (m3/day) b Determine the uplift pressure (kpa) at A. c. Determine the uplift force (x10^3 kN) acting in the dam. Assume that the uplift pressure under the dam varies uniformly.
Find the pressure force acting on a dam 20 meters wide and 7 meters high and the place of action of this force (pressure center) with the pressure prism. (γ = 9.79 kN / m^3
A rectangular tank 6 m long, 3 m wide and 2m deep contains water to a depth of 1 m. It is accelerated horizontally at 2.5 m/s2 in the direction of its length. A. Determine the net force due to water acting on each end of tank. B. Determine the minumum pressure intensities at bottom C. Determine the slope of the free surface
Use 10 kN/m3 for unit weight of water. For a concrete structure that retains water, a flow net is sketched as shown in Figure H8-3. Noting the marked location of the Datum, answer the following: Mark on the figure all boundary Also mark the type of each boundary. Calculate the uplift pressures at points A, B, C, D, E, and F. Calculate the factor of safety against The seepage loss (q) per day per meter length of the (i.e. q in m3/day/m) if the permeability of the soil is k = 10-4 m/sec.
A masonry dam has a coefficient of permeability in the vertical and horizontal directions of kz=4m/day and kx=5m/day, respectively. The difference in the head is 18 m and the distance between the base of the dam and the downstream water surface is 18m. Assume z=35 m and width of Dam =40m Determine a) the seepage flow b) the uplift pressure (kpa)at point A C) the uplift force (Kn) acting in the dam. assume that the uplift pressure under the dam varies uniformly
Refer to Problem 8.4. Using the flow net drawn, calculate the hydraulic uplift force at the base of the hydraulic structure per meter length (measured along the axis of the structure).8.24 For the hydraulic structure shown in Figure 8.24, draw a flow net for flow through the permeable layer and calculate the seepage loss in m3/day/m.
A 3 m diameter , 7 m long cylindrical tank is completely filled with water. The tank is pulled by a truck on a level road with 7 m long axis being horizontal. Determine the pressure difference in kPa between the front and back ends of the tank along a horizontal line when the truck decelrates at 4 m/s^2.
The dam shown has a base of which 2m below the ground surface. The pressure distribution diagram at the base of the dam can be obtained from the equipotential lines as follows: k=4.5 m/day. if H=6m determine the seepage through the foundation.
A dam shown in figure has water 2.7 m high on the vertical upstream side. If unit weight of concrete is 23.5 kN/cu.m, determinea. Minimum width of the base that the resultant falls within the middle thirds. Neglect hyrostatic uplift.b. Minimum coefficient of friction to prevent sliding